ilUtil Class Reference

Util class various functions, usage as namespace. More...

Collaboration diagram for ilUtil:

Static Public Member Functions
static	getImageTagByType (string $a_type, string $a_path, bool $a_big=false)
	Builds an html image tag. More...
static	getImagePath (string $image_name, string $module_path="", string $mode="output", bool $offline=false)
	get image path (for images located in a template directory) More...
static	getHtmlPath (string $relative_path)
	get url of path More...
static	getStyleSheetLocation (string $mode="output", string $a_css_name="")
	get full style sheet file name (path inclusive) of current user More...
static	getNewContentStyleSheetLocation (string $mode="output")
	get full style sheet file name (path inclusive) of current user More...
static	switchColor (int $a_num, string $a_css1, string $a_css2)
	switches style sheets for each even $a_num (used for changing colors of different result rows) More...
static	makeClickable (string $a_text, bool $detectGotoLinks=false, ?string $ilias_http_path=null)
static	is_email (string $a_email, ?ilMailRfc822AddressParserFactory $mailAddressParserFactory=null)
	This preg-based function checks whether an e-mail address is formally valid. More...
static	isLogin (string $a_login)
static	img (string $a_src, ?string $a_alt=null, $a_width="", $a_height="", $a_border=0, $a_id="", $a_class="")
	Build img tag. More...
static	deliverData (string $a_data, string $a_filename, string $mime="application/octet-stream")
static	appendUrlParameterString (string $a_url, string $a_par, bool $xml_style=false)
static	stripSlashes (string $a_str, bool $a_strip_html=true, string $a_allow="")
static	stripOnlySlashes (string $a_str)
static	secureString (string $a_str, bool $a_strip_html=true, string $a_allow="")
static	getSecureTags ()
static	securePlainString (string $a_str)
static	htmlencodePlainString (string $a_str, bool $a_make_links_clickable, bool $a_detect_goto_links=false)
	Encodes a plain text string into HTML for display in a browser. More...
static	maskTag (string $a_str, string $tag, array $fix_param=[])
static	secureLink (string $a_str)
static	stripScriptHTML (string $a_str, string $a_allow="", bool $a_rm_js=true)
static	secureUrl (string $url)
static	extractParameterString (string $a_parstr)
static	yn2tf (string $a_yn)
static	tf2yn (bool $a_tf)
static	deducibleSize (string $a_mime)
	checks if mime type is provided by getimagesize() More...
static	redirect (string $a_script)
static	insertInstIntoID (string $a_value)
	inserts installation id into ILIAS id More...
static	groupNameExists (string $a_group_name, ?int $a_id=null)
	checks if group name already exists. More...
static	isWindows ()
static	now ()
	Return current timestamp in Y-m-d H:i:s format. More...
static	_getObjectsByOperations ( $a_obj_type, string $a_operation, int $a_usr_id=0, int $limit=0)
	Get all objects of a specific type and check access This function is not recursive, instead it parses the serialized rbac_pa entries. More...
static	isHTML (string $a_text)
	Checks if a given string contains HTML or not. More...
static	__extractRefId (string $role_title)
	extract ref id from role title, e.g. More...
static	__extractId (string $ilias_id, int $inst_id)
	extract ref id from role title, e.g. More...
static	_sortIds (array $a_ids, string $a_table, string $a_field, string $a_id_name)
	Function that sorts ids by a given table field using WHERE IN E.g: __sort(array(6,7),'usr_data','lastname','usr_id') => sorts by lastname. More...
static	getSystemMessageHTML (string $a_txt, string $a_type="info")
	Get HTML for a system message. More...
static	setCookie (string $a_cookie_name, string $a_cookie_value='', bool $a_also_set_super_global=true, bool $a_set_cookie_invalid=false)
static	_getHttpPath ()
static	parseImportId (string $a_import_id)
	Parse an ilias import id Typically of type il_[IL_INST_ID]_[OBJ_TYPE]_[OBJ_ID] returns array( 'orig' => 'il_4800_rolt_123' 'prefix' => 'il' 'inst_id => '4800' 'type' => 'rolt' 'id' => '123'. More...
static	formatSize (int $size, string $a_mode='short', ?ilLanguage $a_lng=null)
	Returns the specified file size value in a human friendly form. More...

Static Protected Member Functions
static	fmtFloat (float $a_float, int $a_decimals=0, ?string $a_dec_point=null, ?string $a_thousands_sep=null, bool $a_suppress_dot_zero=false)
	format a float More...

Static Private Member Functions
static	replaceLinkProperties (array $matches)
static	maskSecureTags (string $a_str, array $allow_array)
static	unmaskSecureTags (string $a_str, array $allow_array)
static	maskAttributeTag (string $a_str, string $tag, string $tag_att)
static	unmaskAttributeTag (string $a_str, string $tag, string $tag_att)
static	unmaskTag (string $a_str, string $tag, array $fix_param=[])

Detailed Description

Util class various functions, usage as namespace.

Author

Sascha Hofmann sasch.nosp@m.ahof.nosp@m.mann@.nosp@m.gmx..nosp@m.de

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Deprecated:

12 This component will be removed with ILIAS 12 The 2021 Technical Board has decided to mark the ilUtil class as deprecated. The ilUtil is a historically grown helper class with many different UseCases and functions. The class is not under direct maintainership and the responsibilities are unclear. In this context, the class should no longer be used in the code and existing uses should be converted to their own service in the medium term. If you need ilUtil for the implementation of a new function in ILIAS > 7, please contact the Technical Board.

Definition at line 38 of file class.ilUtil.php.

Member Function Documentation

__extractId()

static ilUtil::__extractId ( string  $ilias_id, int  $inst_id  )

static

extract ref id from role title, e.g.

893 from 'il_122_role_893'

Parameters

string	$ilias_id	with format like il_<instid>_<objTyp>_ID
int	$inst_id	Installation ID must match inst id in param ilias_id

Deprecated:

Definition at line 1200 of file class.ilUtil.php.

                                                                      : ?int
    {
        $test_str = explode('_', $ilias_id);
 
        $parsed_inst_id = (int) ($test_str[1] ?? 0);
        $prefix = $test_str[0] ?? '';
 
        if ($prefix === 'il' && $parsed_inst_id === $inst_id && count($test_str) === 4) {
            return is_numeric($test_str[3]) ? (int) $test_str[3] : null;
        }
        return null;
    }

References ILIAS\Repository\int().

Referenced by ilObjUser\_getUserData(), ilUserImportParser\extractRolesBeginTag(), ilExerciseXMLParser\handlerBeginTag(), ilFileXMLParser\handlerBeginTag(), ilObjectXMLParser\handlerBeginTag(), ilUserImportParser\importBeginTag(), ilSoapUserAdministration\importUsers(), ilSoapRBACAdministration\parseUserID(), ilGroupXMLParser\save(), and ilUserImportParser\verifyBeginTag().

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__extractRefId()

static ilUtil::__extractRefId ( string  $role_title )

static

extract ref id from role title, e.g.

893 from 'il_crs_member_893'

Parameters

string

$role_title

with format like il_crs_member_893

Deprecated:

Definition at line 1180 of file class.ilUtil.php.

                                                             : ?int
    {
        $test_str = explode('_', $role_title);
        $prefix = $test_str[0] ?? '';
 
        if ($prefix === 'il') {
            $ref_id = $test_str[3] ?? null;
            return is_numeric($ref_id) ? (int) $ref_id : null;
        }
        return null;
    }

References $ref_id, and ILIAS\Repository\int().

Referenced by ilSoapCourseAdministration\getCoursesForUser(), ilSoapGroupAdministration\getGroupsForUser(), and ilSoapRoleObjectXMLWriter\start().

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_getHttpPath()

static ilUtil::_getHttpPath ( )

static

Deprecated:

Definition at line 1328 of file class.ilUtil.php.

                                         : string
    {
        global $DIC;
 
        $ilIliasIniFile = $DIC["ilIliasIniFile"];
 
        if ((isset($_SERVER['SHELL']) && $_SERVER['SHELL']) || PHP_SAPI === 'cli' ||
            // fallback for windows systems, useful in crons
            (class_exists("ilContext") && !ilContext::usesHTTP())) {
            return $ilIliasIniFile->readVariable('server', 'http_path');
        } else {
            return ILIAS_HTTP_PATH;
        }
    }

References $_SERVER, $DIC, $ilIliasIniFile, and ilContext\usesHTTP().

Referenced by ILIAS\Cron\Job\Manager\UI\JobTable\__construct(), ilSamlIdpTableGUI\__construct(), ILIAS\Mail\Attachments\MailAttachmentTableGUI\__construct(), ilMail\_getAutoGeneratedMessageString(), ILIAS\Mail\Placeholder\MailSignatureIliasUrlPlaceholder\addPlaceholder(), ilErrorHandling\errorHandler(), ilPasswordAssistanceGUI\getBaseUrl(), ilMailEnvironmentHelper\getHttpPath(), ilTestPlayerAbstractGUI\getNavigationUrlParameter(), ilForumMailNotification\getPermanentLink(), ilForumMailEventNotificationSender\getPermanentLink(), ilMailFormCall\getRefererRedirectUrl(), ilLDAPSettingsGUI\getRoleAssignmentTable(), ILIAS\Forum\Notification\ForumNotificationTable\getTableComponent(), ilSoapClient\init(), ilLDAPSettingsGUI\roleMappingCmd(), ILIAS\Cron\Job\Manager\JobManagerImpl\runActiveJobs(), ilMailSummaryNotification\send(), ilLDAPSettingsGUI\serverListCmd(), ilMailFolderGUI\showFolder(), and ilForumModeratorsGUI\showModeratorsCommand().

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_getObjectsByOperations()

static ilUtil::_getObjectsByOperations (   $a_obj_type, string  $a_operation, int  $a_usr_id = 0, int  $limit = 0  )

static

Get all objects of a specific type and check access This function is not recursive, instead it parses the serialized rbac_pa entries.

Get all objects of a specific type where access is granted for the given operation. This function does a checkAccess call for all objects in the object hierarchy and return only the objects of the given type. Please note if access is not granted to any object in the hierarchy the function skips all objects under it. Example: You want a list of all Courses that are visible and readable for the user. The function call would be: $your_list = IlUtil::getObjectsByOperation ("crs", "visible"); Lets say there is a course A where the user would have access to according to his role assignments. Course A lies within a group object which is not readable for the user. Therefore course A won't appear in the result list although the queried operations 'read' would actually permit the user to access course A.

@access public

Parameters

string/array	object type 'lm' or array('lm','sahs')
string	permission to check e.g. 'visible' or 'read'
int	id of user in question
int	limit of results. if not given it defaults to search max hits.If limit is -1 limit is unlimited

Returns

array of ref_ids

Definition at line 1055 of file class.ilUtil.php.

     : array {
        global $DIC;
 
        $ilDB = $DIC->database();
        $rbacreview = $DIC->rbac()->review();
        $ilAccess = $DIC->access();
        $ilUser = $DIC->user();
        $ilSetting = $DIC->settings();
        $tree = $DIC->repositoryTree();
 
        if (!is_array($a_obj_type)) {
            $where = "WHERE type = " . $ilDB->quote($a_obj_type, "text") . " ";
        } else {
            $where = "WHERE " . $ilDB->in("type", $a_obj_type, false, "text") . " ";
        }
 
        // limit number of results default is search result limit
        if (!$limit) {
            $limit = (int) $ilSetting->get('search_max_hits', "100");
        }
        if ($limit == -1) {
            $limit = 10000;
        }
 
        // default to logged in usr
        $a_usr_id = $a_usr_id ?: $ilUser->getId();
        $a_roles = $rbacreview->assignedRoles($a_usr_id);
 
        // Since no rbac_pa entries are available for the system role. This function returns !all! ref_ids in the case the user
        // is assigned to the system role
        if ($rbacreview->isAssigned($a_usr_id, SYSTEM_ROLE_ID)) {
            $query = "SELECT ref_id FROM object_reference obr LEFT JOIN object_data obd ON obr.obj_id = obd.obj_id " .
                "LEFT JOIN tree ON obr.ref_id = tree.child " .
                $where .
                "AND tree = 1";
 
            $res = $ilDB->query($query);
            $counter = 0;
            $ref_ids = [];
            while ($row = $ilDB->fetchObject($res)) {
                // Filter recovery folder
                if ($tree->isGrandChild(RECOVERY_FOLDER_ID, $row->ref_id)) {
                    continue;
                }
 
                if ($counter++ >= $limit) {
                    break;
                }
 
                $ref_ids[] = $row->ref_id;
            }
            return $ref_ids;
        } // End Administrators
 
        // Check ownership if it is not asked for edit_permission or a create permission
        if ($a_operation == 'edit_permissions' or strpos($a_operation, 'create') !== false) {
            $check_owner = ") ";
        } else {
            $check_owner = "OR owner = " . $ilDB->quote($a_usr_id, "integer") . ") ";
        }
 
        $ops_ids = ilRbacReview::_getOperationIdsByName([$a_operation]);
        $ops_id = $ops_ids[0];
 
        $and = "AND ((" . $ilDB->in("rol_id", $a_roles, false, "integer") . " ";
 
        $query = "SELECT DISTINCT(obr.ref_id),obr.obj_id,type FROM object_reference obr " .
            "JOIN object_data obd ON obd.obj_id = obr.obj_id " .
            "LEFT JOIN rbac_pa  ON obr.ref_id = rbac_pa.ref_id " .
            $where .
            $and .
            "AND (" . $ilDB->like("ops_id", "text", "%i:" . $ops_id . "%") . " " .
            "OR " . $ilDB->like("ops_id", "text", "%:\"" . $ops_id . "\";%") . ")) " .
            $check_owner;
 
        $res = $ilDB->query($query);
        $counter = 0;
        $ref_ids = [];
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            if ($counter >= $limit) {
                break;
            }
 
            // Filter objects in recovery folder
            if ($tree->isGrandChild(RECOVERY_FOLDER_ID, $row->ref_id)) {
                continue;
            }
 
            // Check deleted, hierarchical access ...
            if ($ilAccess->checkAccessOfUser($a_usr_id, $a_operation, '', $row->ref_id, $row->type, $row->obj_id)) {
                $counter++;
                $ref_ids[] = $row->ref_id;
            }
        }
        return $ref_ids ?: [];
    }

References $ilDB.

Referenced by ilGroupActionTargetExplorerGUI\__construct(), ilObjTest\_getAvailableTests(), ilECSSettingsGUI\exportImported(), ILIAS\Course\Grouping\Table\AssignmentRetrieval\getAllEligibleRefIDs(), ilGroupUserActionProvider\getCommandAccess(), and ilECSSettingsGUI\imported().

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_sortIds()

static ilUtil::_sortIds ( array  $a_ids, string  $a_table, string  $a_field, string  $a_id_name  )

static

Function that sorts ids by a given table field using WHERE IN E.g: __sort(array(6,7),'usr_data','lastname','usr_id') => sorts by lastname.

Deprecated:

Definition at line 1219 of file class.ilUtil.php.

                                                                                                      : array
    {
        global $DIC;
 
        $ilDB = $DIC->database();
 
        if (!$a_ids) {
            return [];
        }
 
        // use database to sort user array
        $where = "WHERE " . $a_id_name . " IN (";
        $where .= implode(",", ilArrayUtil::quoteArray($a_ids));
        $where .= ") ";
 
        $query = "SELECT " . $a_id_name . " FROM " . $a_table . " " .
            $where .
            "ORDER BY " . $a_field;
 
        $res = $ilDB->query($query);
        $ids = [];
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $ids[] = $row->$a_id_name;
        }
        return $ids;
    }

References $DIC, $ilDB, $res, ilDBConstants\FETCHMODE_OBJECT, and ilArrayUtil\quoteArray().

Referenced by ilObjRoleGUI\adoptPermObject(), ilAppointmentPresentationCourseGUI\collectPropertiesAndActions(), ilObjSessionGUI\eventsListObject(), ilMemberExport\fetchUsers(), ilAttendanceList\getHTML(), ilPermissionGUI\initRoleForm(), ilConsultationHoursTableGUI\parse(), ilLDAPSettingsGUI\prepareGlobalRoleSelection(), ilAuthShibbolethSettingsGUI\prepareRoleSelect(), ilECSSettingsGUI\prepareRoleSelect(), ilSamlSettingsGUI\prepareRoleSelection(), ilOpenIdConnectSettingsGUI\prepareRoleSelection(), and ILIAS\Calendar\ConsultationHours\BookingDataProvider\read().

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appendUrlParameterString()

static ilUtil::appendUrlParameterString ( string  $a_url, string  $a_par, bool  $xml_style = false  )

static

Deprecated:

Definition at line 381 of file class.ilUtil.php.

                                                                                                          : string
    {
        $amp = $xml_style
            ? "&"
            : "&";
 
        $url = (is_int(strpos($a_url, "?")))
            ? $a_url . $amp . $a_par
            : $a_url . "?" . $a_par;
 
        return $url;
    }

References $url.

Referenced by ilCmiXapiStatementsDeleteRequest\_lookUpDataCount(), ilObjectListGUI\appendRepositoryFrameParameter(), ilXapiCompliantStatementsReportLinkBuilder\appendRequestParameters(), ilCmiXapiAbstractReportLinkBuilder\appendRequestParameters(), assImagemapQuestionGUI\buildAreaLinkTarget(), ilCmiXapiLaunchGUI\buildLaunchLink(), ilPasswordAssistanceGUI\buildUrl(), ilStartUpGUI\doApacheAuthentication(), ilDataCollectionGlobalTemplate\fillJavascriptFile(), ilRTEGlobalTemplate\fillJavascriptFile(), ilGlobalTemplate\fillJavascriptFile(), ilCmiXapiStatementsDeleteRequest\getBatchUrl(), ilObjTestListGUI\getCommandLink(), ilObjQuestionPoolListGUI\getCommandLink(), ilCmiXapiStatementsDeleteRequest\getDeleteStateUrls(), ILIAS\LearningModule\Menu\ilLMMenuGUI\getEntries(), ilIntLinkRepItemExplorerGUI\getNodeHref(), assImagemapQuestionGUI\getPreviousSolutionConfirmationCheckboxHtml(), ilAuthFrontendCredentialsApache\getTargetUrl(), ILIAS\StaticURL\Handler\LegacyGotoHandler\handle(), ilPCQuestionGUI\setTabs(), and ilAuthFrontendCredentialsSoap\tryAuthenticationOnLoginPage().

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deducibleSize()

static ilUtil::deducibleSize ( string  $a_mime )

static

checks if mime type is provided by getimagesize()

Deprecated:

Definition at line 929 of file class.ilUtil.php.

                                                        : bool
    {
        if (($a_mime == "image/gif") || ($a_mime == "image/jpeg") ||
            ($a_mime == "image/png") || ($a_mime == "application/x-shockwave-flash") ||
            ($a_mime == "image/tiff") || ($a_mime == "image/x-ms-bmp") ||
            ($a_mime == "image/psd") || ($a_mime == "image/iff")) {
            return true;
        } else {
            return false;
        }
    }

Referenced by ilMediaItem\getOriginalSize().

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deliverData()

static ilUtil::deliverData ( string  $a_data, string  $a_filename, string  $mime = "application/octet-stream"  )

static

Deprecated:

use ilFileDelivery

Definition at line 358 of file class.ilUtil.php.

     : void {
        global $DIC;
        $delivery = new Delivery(
            Delivery::DIRECT_PHP_OUTPUT,
            $DIC->http()
        );
        $delivery->setMimeType($mime);
        $delivery->setSendMimeType(true);
        $delivery->setDisposition(Delivery::DISP_ATTACHMENT);
        $delivery->setDownloadFileName($a_filename);
        $delivery->setConvertFileNameToAsci(true);
        $repsonse = $DIC->http()->response()->withBody(Streams::ofString($a_data));
        $DIC->http()->saveResponse($repsonse);
        $delivery->deliver();
    }

Referenced by ilMemberExportGUI\deliverData(), ilCertificateUtilHelper\deliverData(), ilObjTest\deliverPDFfromFO(), ILIAS\User\Profile\PublicProfileGUI\deliverVCard(), ilObjLanguageFolderGUI\downloadDeprecatedObject(), ilMemberExportGUI\downloadExportFile(), ilPRGMembersExportGUI\downloadExportFile(), ilObjLanguageExtGUI\downloadObject(), ilSurveyParticipantsGUI\exportAllCodesObject(), ilRegistrationSettingsGUI\exportCodes(), ilSurveyParticipantsGUI\exportCodesObject(), ilSessionOverviewGUI\exportCSV(), ilSurveyEvaluationGUI\exportEvaluationUser(), ilObjLinkResourceGUI\exportHTML(), ilObjTestFolderGUI\exportLegacyLogsObject(), ilObjTestGUI\exportLegacyLogsObject(), ilDidacticTemplateSettingsGUI\exportTemplate(), ilCalendarRemoteAccessHandler\handleRequest(), and ilObjSCORMLearningModule\sendExportFile().

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extractParameterString()

static ilUtil::extractParameterString ( string  $a_parstr )

static

Deprecated:

Definition at line 850 of file class.ilUtil.php.

                                                                   : array
    {
        // parse parameters in array
        $par = [];
        $ok = true;
        while (($spos = strpos($a_parstr, "=")) && $ok) {
            // extract parameter
            $cpar = substr($a_parstr, 0, $spos);
            $a_parstr = substr($a_parstr, $spos, strlen($a_parstr) - $spos);
            while (substr($cpar, 0, 1) == "," || substr($cpar, 0, 1) == " " || substr($cpar, 0, 1) == chr(13) || substr(
                $cpar,
                0,
                1
            ) == chr(10)) {
                $cpar = substr($cpar, 1, strlen($cpar) - 1);
            }
            while (substr($cpar, strlen($cpar) - 1, 1) == " " || substr($cpar, strlen($cpar) - 1, 1) == chr(
                13
            ) || substr($cpar, strlen($cpar) - 1, 1) == chr(10)) {
                $cpar = substr($cpar, 0, strlen($cpar) - 1);
            }
 
            // parameter name should only
            $cpar_old = "";
            while ($cpar != $cpar_old) {
                $cpar_old = $cpar;
                $cpar = preg_replace("/[^a-zA-Z0-9_]/i", "", $cpar);
            }
 
            // extract value
            if ($cpar != "") {
                if ($spos = strpos($a_parstr, "\"")) {
                    $a_parstr = substr($a_parstr, $spos + 1, strlen($a_parstr) - $spos);
                    $spos = strpos($a_parstr, "\"");
                    if (is_int($spos)) {
                        $cval = substr($a_parstr, 0, $spos);
                        $par[$cpar] = $cval;
                        $a_parstr = substr($a_parstr, $spos + 1, strlen($a_parstr) - $spos - 1);
                    } else {
                        $ok = false;
                    }
                } else {
                    $ok = false;
                }
            }
        }
 
        return $ok ? $par : [];
    }

Referenced by ilPCMediaObjectGUI\saveAliasProperties(), and ilMediaItem\setParameters().

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fmtFloat()

static ilUtil::fmtFloat ( float  $a_float, int  $a_decimals = 0, ?string  $a_dec_point = null, ?string  $a_thousands_sep = null, bool  $a_suppress_dot_zero = false  )

staticprotected

format a float

this functions takes php's number_format function and formats the given value with appropriate thousand and decimal separator.

Deprecated:

Definition at line 1385 of file class.ilUtil.php.

     : string {
        global $DIC;
 
        $lng = $DIC->language();
 
        if ($a_dec_point === null) {
            $a_dec_point = ".";
        }
        if ($a_dec_point === '-lang_sep_decimal-') {
            $a_dec_point = ".";
        }
 
        if ($a_thousands_sep === null) {
            $a_thousands_sep = $lng->txt('lang_sep_thousand');
        }
        if ($a_thousands_sep === '-lang_sep_thousand-') {
            $a_thousands_sep = ",";
        }
 
        $txt = number_format($a_float, $a_decimals, $a_dec_point, $a_thousands_sep);
 
        // remove trailing ".0"
        if (($a_suppress_dot_zero == 0 || $a_decimals == 0)
            && substr($txt, -2) == $a_dec_point . '0'
        ) {
            $txt = substr($txt, 0, strlen($txt) - 2);
        }
        if ($a_float == 0 and $txt == "") {
            $txt = "0";
        }
 
        return $txt;
    }

formatSize()

static ilUtil::formatSize ( int  $size, string  $a_mode = 'short', ?ilLanguage  $a_lng = null  )

static

Returns the specified file size value in a human friendly form.

By default, the oder of magnitude 1024 is used. Thus the value returned by this function is the same value that Windows and Mac OS X return for a file. The value is a GibiBig, MebiBit, KibiBit or byte unit.

For more information about these units see: http://en.wikipedia.org/wiki/Megabyte

Parameters

integer	size in bytes
string	mode: "short" is useful for display in the repository "long" is useful for display on the info page of an object
ilLanguage	The language object, or null if you want to use the system language.

Definition at line 1441 of file class.ilUtil.php.

                                                                                                     : string
    {
        global $DIC;
 
        $lng = $DIC->language();
        if ($a_lng == null) {
            $a_lng = $lng;
        }
 
        $mag = 1024;
 
        if ($size >= $mag * $mag * $mag) {
            $scaled_size = $size / $mag / $mag / $mag;
            $scaled_unit = 'lang_size_gb';
        } else {
            if ($size >= $mag * $mag) {
                $scaled_size = $size / $mag / $mag;
                $scaled_unit = 'lang_size_mb';
            } else {
                if ($size >= $mag) {
                    $scaled_size = $size / $mag;
                    $scaled_unit = 'lang_size_kb';
                } else {
                    $scaled_size = $size;
                    $scaled_unit = 'lang_size_bytes';
                }
            }
        }
 
        $result = self::fmtFloat(
            $scaled_size,
            ($scaled_unit
                    == 'lang_size_bytes') ? 0 : 1,
            $a_lng->txt('lang_sep_decimal'),
            $a_lng->txt('lang_sep_thousand'),
            true
        )
            . ' ' . $a_lng->txt($scaled_unit);
        if ($a_mode == 'long' && $size > $mag) {
            $result .= ' (' . self::fmtFloat(
                $size,
                0,
                $a_lng->txt('lang_sep_decimal'),
                $a_lng->txt('lang_sep_thousand')
            ) . ' '
                . $a_lng->txt('lang_size_bytes') . ')';
        }
 
        return $result;
    }

References $DIC, and $lng.

Referenced by ilFileSystemTableGUI\fillRow(), ilMemberExportFileTableGUI\fillRow(), ILIAS\Mail\Attachments\MailAttachmentTableGUI\getRows(), ilMailAttachmentGUI\saveAttachments(), and ilMailFormGUI\showForm().

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getHtmlPath()

static ilUtil::getHtmlPath ( string  $relative_path )

static

get url of path

Parameters

$relative_path

string: complete path to file, relative to web root (e.g. /public/data/pfplms103/mobs/mm_732/athena_standing.jpg)

Deprecated:

Definition at line 111 of file class.ilUtil.php.

                                                             : string
    {
        if (substr($relative_path, 0, 2) == './') {
            $relative_path = (substr($relative_path, 1));
        }
        if (substr($relative_path, 0, 1) != '/') {
            $relative_path = '/' . $relative_path;
        }
        $htmlpath = ILIAS_HTTP_PATH . $relative_path;
        return $htmlpath;
    }

Referenced by ilAuthFrontendCredentialsApache\tryAuthenticationOnLoginPage().

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getImagePath()

static ilUtil::getImagePath ( string  $image_name, string  $module_path = "", string  $mode = "output", bool  $offline = false  )

static

get image path (for images located in a template directory)

Deprecated:

use UI Service!

Definition at line 68 of file class.ilUtil.php.

     : string {
        if ($offline) {
            return "./images/" . $image_name;
        }
 
        global $DIC;
        $styleDefinition = $DIC["styleDefinition"] ?? null;
 
        if ($module_path != "") {
            throw new \LogicException(
                "\$module_path only supports '' as value."
            );
        }
 
        $use_custom_skin = (ilStyleDefinition::getCurrentSkin() !== "default");
 
        if ($use_custom_skin) {
            $filename =
                "./Customizing/skin/"
                . ilStyleDefinition::getCurrentSkin() . "/"
                . ilStyleDefinition::getCurrentStyle() . "/"
                . (!is_object($styleDefinition) ? "images" : $styleDefinition->getImageDirectory(ilStyleDefinition::getCurrentStyle())) . "/"
                . $image_name;
 
            if (file_exists($filename)) {
                return $filename;
            }
        }
 
        return "./assets/images/" . $image_name;
    }

Referenced by ilStudyProgrammeIndividualPlanTableGUI\__construct(), ilStudyProgrammeExpandableProgressListGUI\__construct(), ilPollUserTableGUI\__construct(), ILIAS\MediaCast\Video\VideoItem\__construct(), ilRepositoryObjectPlugin\_getImagePath(), ilObjDataCollectionGUI\addHeaderAction(), ILIAS\COPage\Page\PageQueryActionHandler\allCommand(), ilExSubmissionObjectGUI\askUnlinkBlogObject(), ilExSubmissionObjectGUI\askUnlinkPortfolioObject(), ilPersonalSkillsGUI\assignMaterials(), ILIAS\Notifications\ilNotificationPushHandler\buildContent(), ilLPStatusIcons\buildImagePath(), assMatchingQuestionGUI\buildTermHtml(), ilMembershipGUI\confirmAssignFromWaitingList(), ilMembershipGUI\confirmAssignSubscribers(), ilMembershipGUI\confirmDeleteParticipants(), ilSessionMembershipGUI\confirmDeleteParticipants(), ilObjRoleGUI\confirmDeleteRoleObject(), ilObjMediaCastGUI\confirmDeletionItemsObject(), ilMembershipGUI\confirmRefuseFromList(), ilMembershipGUI\confirmRefuseSubscribers(), ilObjForumGUI\decorateWithAutosave(), ilObjSkillTreeGUI\deleteNodes(), ilPDNewsGUI\displayHeader(), ilPDNotesGUI\displayHeader(), ilPageObjectGUI\displayMedia(), ilLMPageObjectGUI\editLayout(), ilObjTypeDefinitionGUI\editObject(), ilObjSessionGUI\eventsListObject(), ilBlogPostingGUI\executeCommand(), ilPCInteractiveImageGUI\executeCommand(), ilAchievementsGUI\executeCommand(), ilLMPageObjectGUI\executeCommand(), ilPersonalNotificationsSettingsGUI\executeCommand(), ilPortfolioRepositoryGUI\executeCommand(), ilObjSAHSLearningModuleGUI\executeCommand(), ilSystemStyleHTMLExport\export(), ilTable2GUI\fillActionRow(), ilDataCollectionGlobalTemplate\fillAdminPanel(), ilLuceneSearchGUI\fillAdminPanel(), ilGlobalTemplate\fillAdminPanel(), ILIAS\components\UICore\MetaTemplate\PageContentGUI\fillAdminPanel(), ilTable2GUI\fillHeader(), ilAccessPermissionsStatusTableGUI\fillRow(), ilAvailableRolesStatusTableGUI\fillRow(), ilShibbolethRoleAssignmentTableGUI\fillRow(), ilCalendarInboxSharedTableGUI\fillRow(), ilCalendarManageTableGUI\fillRow(), ilCalendarSharedListTableGUI\fillRow(), ilPageLayoutTableGUI\fillRow(), ilCourseObjectiveQuestionsTableGUI\fillRow(), ilTimingsManageTableGUI\fillRow(), ilTimingsPersonalTableGUI\fillRow(), ilCourseReferenceDeleteConfirmationTableGUI\fillRow(), ilFileSystemTableGUI\fillRow(), ilHistoryTableGUI\fillRow(), ilItemGroupItemsTableGUI\fillRow(), ilExportIDTableGUI\fillRow(), ilLMPagesTableGUI\fillRow(), ilMediaPoolTableGUI\fillRow(), ilClipboardTableGUI\fillRow(), ilSessionMaterialsTableGUI\fillRow(), ilSessionOverviewTableGUI\fillRow(), ilSurveyQuestionTableGUI\fillRow(), ilSurveyQuestionsTableGUI\fillRow(), ilQuestionBrowserTableGUI\fillRow(), ilLPCollectionSettingsTableGUI\fillRow(), ilLPProgressTableGUI\fillRow(), ilTrMatrixTableGUI\fillRow(), ilTrObjectUsersPropsTableGUI\fillRow(), ilTrUserObjectsPropsTableGUI\fillRow(), ilECSServerTableGUI\fillRow(), ilDataCollectionGlobalTemplate\fillSideIcons(), ilGlobalTemplate\fillSideIcons(), assQuestion\fixUnavailableSkinImageSources(), ilSCORMPresentationGUI\frameset(), assQuestionGUI\generateCorrectnessIconsForCorrectness(), ilForumThreadFormGUI\generateInputItems(), ilUserAvatarResolver\getAvatar(), ILIAS\Mail\Folder\MailFolderTableUI\getAvatar(), ilPCInteractiveImage\getBackgroundImage(), ILIAS\TestQuestionPool\Questions\Presentation\QuestionTable\getColums(), ilAssNestedOrderingElementsInputGUI\getCorrectnessIcon(), ilBadgeLearningHistoryProvider\getEntries(), ilCourseLearningHistoryProvider\getEntries(), ilFirstLoginLearningHistoryProvider\getEntries(), ilSkillLearningHistoryProvider\getEntries(), ilStudyProgrammeExpandableProgressListGUI\getExpandedImageURL(), ILIAS\GlobalScreen\Scope\Layout\Provider\PagePart\StandardPagePartProvider\getFaviconPath(), ilMainMenuSearchGUI\getHTML(), ilNewsTimelineGUI\getHTML(), ilAdvancedSelectionListGUI\getHTML(), ilDclBooleanRecordRepresentation\getHTML(), ILIAS\File\Icon\IconDatabaseRepository\getIconFilePathBySuffix(), ILIAS\Administration\AdministrationMainBarProvider\getIconForGroup(), ilObject\getIconForType(), ilSkillTreeNode\getIconPath(), ilObjSCORMInitData\getIliasScormVars(), ilSCORM13PlayerGUI\getInlineCSS(), ilCalendarSelectionBlockGUI\getLegacyContent(), ilPDMailBlockGUI\getListItemForData(), ILIAS\COPage\PC\InteractiveImage\InteractiveImageQueryActionHandler\getLoader(), ILIAS\GlobalScreen\Scope\Layout\Provider\PagePart\StandardPagePartProvider\getLogo(), ilLMHtmlExportViewLayoutProvider\getMainBarModification(), ILIAS\Test\Results\Presentation\AttemptResultsTable\getMapping(), ILIAS\User\Presentation\UserMetaBarProvider\getMetaBarItems(), ilLMEditorExplorerGUI\getNodeIcon(), ilLMTOCExplorerGUI\getNodeIcon(), ilMailExplorer\getNodeIcon(), ilMediaPoolExplorerGUI\getNodeIcon(), ilWorkspaceExplorerGUI\getNodeIcon(), ilPersonalSkillExplorerGUI\getNodeIcon(), ilSkillTemplateTreeExplorerGUI\getNodeIcon(), ilSkillTreeExplorerGUI\getNodeIcon(), ilVirtualSkillTreeExplorerGUI\getNodeIcon(), ilTaxonomyExplorerGUI\getNodeIcon(), ilPRGActionNoteBuilder\getNoteFor(), ilStudyProgrammeExpandableProgressListGUI\getNotExpandedImageURL(), ilExplorer\getOutput(), ilSCORMExplorer\getOutputIcons(), ILIAS\Portfolio\PortfolioPrintViewProviderGUI\getPages(), ilPortfolioRepositoryGUI\getPortfolioList(), ilTestQuestionHeaderBlockBuilder\getQuestionInfoHTML(), ilTestQuestionNavigationGUI\getQuestionMarkIconSource(), ilDidacticTemplateSettingsTableDataRetrieval\getRecords(), ILIAS\GlobalScreen\Scope\Layout\Provider\PagePart\StandardPagePartProvider\getResponsiveLogo(), ilTestServiceGUI\getResultsSignature(), ILIAS\Blog\BlogPrintViewProviderGUI\getSelectionForm(), ILIAS\Portfolio\PortfolioPrintViewProviderGUI\getSelectionForm(), ILIAS\Wiki\WikiPrintViewProviderGUI\getSelectionForm(), ILIAS\EmployeeTalk\Provider\MyStaffListEntryProvider\getStaticSubItems(), ILIAS\Membership\GlobalScreen\MembershipMainBarProvider\getStaticSubItems(), ILIAS\MyStaff\Provider\StaffMainBarProvider\getStaticSubItems(), ILIAS\Repository\Provider\RepositoryMainBarProvider\getStaticSubItems(), ILIAS\MainMenu\Provider\StandardTopItemsProvider\getStaticTopItems(), ILIAS\components\Authentication\Pages\AuthPageLanguagesOverviewTable\getStatusIcon(), ilPRGStatusInfoBuilder\getStatusInfoFor(), ilObjGlossaryGUI\getTemplate(), ilCOPageEditGSToolProvider\getToolsForContextStack(), ilLMEditGSToolProvider\getToolsForContextStack(), ilMediaPoolGSToolProvider\getToolsForContextStack(), ilSkillGSToolProvider\getToolsForContextStack(), ilTaxonomyGSToolProvider\getToolsForContextStack(), ILIAS\COPage\Page\PageQueryActionHandler\getTopActions(), ilLMPresentationGUI\ilMedia(), ilLMPageObjectGUI\initEditLayoutForm(), ilObjGroupGUI\initForm(), ilObjLTIConsumerGUI\initHeaderAction(), ilObjBookingPoolGUI\initHeaderAction(), ilObjCmiXapiGUI\initHeaderAction(), ilObjCourseGUI\initHeaderAction(), ilObjForumGUI\initHeaderAction(), ilObjGroupGUI\initHeaderAction(), ilObjStudyProgrammeGUI\initHeaderAction(), ILIAS\Chatroom\BuildChat\initialData(), ilOnScreenChatGUI\initializeFrontend(), ilAwarenessGUI\initJS(), ilObjLTIConsumerListGUI\insertIconsAndCheckboxes(), ilObjectListGUI\insertInfoScreenCommand(), ilObjOrgUnitListGUI\insertInfoScreenCommand(), ilPCResourcesGUI\insertResourcesIntoPageContent(), ilUserCertificateGUI\listCertificates(), ilPersonalSkillsGUI\listProfileForGap(), ilGlossaryTermGUI\listUsages(), ilMStListCertificatesGUI\listUsers(), ilMStListCompetencesSkillsGUI\listUsers(), ilMStListCoursesGUI\listUsers(), ilMStListUsersGUI\listUsers(), ilEmployeeTalkMyStaffListGUI\loadHeader(), ilGlossaryPresentationGUI\media(), assMatchingQuestionGUI\populateDefinition(), ilDashboardGUI\prepareContentView(), ilCalendarPresentationGUI\prepareOutput(), ilGlossaryPresentationGUI\prepareOutput(), ilTable2GUI\render(), ilTableGUI\render(), ilProgressBar\render(), ilLMNavigationRendererGUI\render(), ilCalendarSelectionBlockGUI\renderItem(), ILIAS\Chatroom\BuildChat\renderLanguageVariables(), ilObjLearningSequenceContentGUI\renderTable(), ilPersonalSkillsGUI\saveSelfEvaluation(), ilPersonalSkillsGUI\selfEvaluation(), ilBadgeHandler\sendNotification(), ilLMPresentationGUI\setHeader(), ilImageLinkButton\setImage(), ilSAHSPresentationGUI\setInfoTabs(), ilObjTaxonomyGUI\setTabs(), ilStructureObjectGUI\setTabs(), ilObjMediaObjectGUI\setTabs(), ilObjSAHSLearningModuleGUI\setTabs(), ilPageLayoutGUI\setTabs(), ilObjLanguageExtGUI\setTitleAndDescription(), ilObjPortfolioGUI\setTitleAndDescription(), ilObjUserGUI\setTitleAndDescription(), ilObjWorkspaceRootFolderGUI\setTitleAndDescription(), ilDashboardGUI\show(), ilMembershipOverviewGUI\show(), ilDerivedTasksGUI\show(), ilLMObjectGUI\showActions(), ilObjContentObjectGUI\showActions(), ilContentStyleSettingsGUI\showActions(), ilContainerGUI\showAdministrationPanel(), ilObjWorkspaceFolderGUI\showAdministrationPanel(), ilPasswordAssistanceGUI\showAssistanceForm(), ilLTIConsumerContentGUI\showEmbedded(), ilMailGUI\showHeader(), ilInternalLinkGUI\showLinkHelp(), ilObjMediaPoolGUI\showMedia(), ilPasswordAssistanceGUI\showMessageForm(), ilPageObjectGUI\showPage(), ilContainerGUI\showPasteTreeObject(), ilLMPresentationGUI\showPrintView(), ilLMPresentationGUI\showPrintViewSelection(), ilMailSearchGUI\showResults(), ilLocalUserGUI\showRolesTable(), ilAssQuestionSkillAssignmentsGUI\showSkillSelectionCmd(), ilCourseContentGUI\showStartObjects(), ilContactGUI\showSubTabs(), ilObjectCopyGUI\showTargetSelectionTree(), ilMailFolderGUI\showUser(), ilPasswordAssistanceGUI\showUsernameAssistanceForm(), ILIAS\TestQuestionPool\Questions\Presentation\QuestionTable\taxonomyRepresentation(), and ILIAS\LearningModule\Editing\SubObjectTableBuilder\transformRow().

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getImageTagByType()

static ilUtil::getImageTagByType ( string  $a_type, string  $a_path, bool  $a_big = false  )

static

Builds an html image tag.

Deprecated:

Use UI-Service!

Definition at line 45 of file class.ilUtil.php.

                                                                                                 : string
    {
        global $DIC;
 
        $lng = $DIC->language();
 
        $size = ($a_big)
            ? "big"
            : "small";
 
        $filename = ilObject::_getIcon(0, $size, $a_type);
 
        return "<img src=\"" . $filename . "\" alt=\"" . $lng->txt("obj_" . $a_type) . "\" title=\"" . $lng->txt(
            "obj_" . $a_type
        ) . "\" border=\"0\" vspace=\"0\"/>";
    }

References $DIC, $filename, $lng, and ilObject\_getIcon().

Referenced by ilObjTypeDefinitionGUI\displayList(), and ilObjTypeDefinitionGUI\editObject().

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getNewContentStyleSheetLocation()

static ilUtil::getNewContentStyleSheetLocation ( string  $mode = "output" )

static

get full style sheet file name (path inclusive) of current user

Deprecated:

Definition at line 182 of file class.ilUtil.php.

                                                                                   : string
    {
 
        // use ilStyleDefinition instead of account to get the current skin and style
        if (ilStyleDefinition::getCurrentSkin() == "default") {
            $in_style = "./templates/" . ilStyleDefinition::getCurrentSkin() . "/"
                . ilStyleDefinition::getCurrentStyle() . "_cont.css";
        } else {
            $in_style = "./Customizing/skin/" . ilStyleDefinition::getCurrentSkin() . "/"
                . ilStyleDefinition::getCurrentStyle() . "_cont.css";
        }
 
        if (is_file("./" . $in_style)) {
            return $in_style;
        } else {
            return "assets/css/delos_cont.css";
        }
    }

References ilStyleDefinition\getCurrentSkin(), and ilStyleDefinition\getCurrentStyle().

Referenced by ilTinyMCE\addCustomRTESupport(), ilTinyMCE\addUserTextEditor(), ilDataCollectionGlobalTemplate\fillNewContentStyle(), ilGlobalTemplate\fillNewContentStyle(), and ilGlobalPageTemplate\prepareBasicCSS().

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getSecureTags()

static ilUtil::getSecureTags ( )

static

Definition at line 480 of file class.ilUtil.php.

                                          : array
    {
        return ["strong",
                "em",
                "u",
                "strike",
                "ol",
                "li",
                "ul",
                "p",
                "div",
                "i",
                "b",
                "code",
                "sup",
                "sub",
                "pre",
                "gap",
                "a",
                "img",
                "bdo"
        ];
    }

Referenced by ilAssSelfAssessmentQuestionFormatter\getSelfAssessmentTags(), and secureString().

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getStyleSheetLocation()

static ilUtil::getStyleSheetLocation ( string  $mode = "output", string  $a_css_name = ""  )

static

get full style sheet file name (path inclusive) of current user

Parameters

$mode	string Output mode of the style sheet ("output" or "filesystem"). !"filesystem" generates the ILIAS version number as attribute to force the reload of the style sheet in a different ILIAS version
$a_css_name	string The name of the style sheet. If empty, the default style name will be chosen
$a_css_location	string The location of the style sheet e.g. a module path. This parameter only makes sense when $a_css_name is used

Deprecated:

Definition at line 133 of file class.ilUtil.php.

     : string {
        $force_reload = ($mode !== "filesystem");
        $use_default_style_file = ($a_css_name === "");
        $use_custom_skin = (ilStyleDefinition::getCurrentSkin() !== "default");
 
        // use ilStyleDefinition instead of account to get the current style
 
        if ($use_default_style_file) {
            $stylesheet_name = ilStyleDefinition::getCurrentStyle() . ".css";
        } else {
            $stylesheet_name = $a_css_name;
        }
 
        if ($use_custom_skin) {
            $filename =
                "./Customizing/skin/"
                . ilStyleDefinition::getCurrentSkin() . "/"
                . ilStyleDefinition::getCurrentStyle() . "/"
                . $stylesheet_name;
        } else {
            $filename = "./assets/css/" . $stylesheet_name;
        }
 
        if (!$force_reload) {
            return $filename;
        }
 
        // add version as parameter to force reload for new releases
 
        // use version from template xml to force reload on changes
        $skin = ilStyleDefinition::getSkins()[ilStyleDefinition::getCurrentSkin()];
        $skin_version = $skin->getVersion();
        if ($skin_version !== "") {
            $skin_version_appendix = str_replace(".", "-", $skin_version);
        } else {
            $skin_version_appendix = '0';
        }
 
        return $filename . "?skin_version=" . $skin_version_appendix;
    }

References ilStyleDefinition\getCurrentStyle().

Referenced by ilTinyMCE\addUserTextEditor(), ilSCORMPresentationGUI\contentSelect(), ilObjTest\deliverPDFfromHTML(), ilPageObjectGUI\displayMedia(), ilObjSurveyQuestionPoolGUI\executeCommand(), ilSCORMPresentationGUI\explorer(), ilSystemStyleHTMLExport\export(), ILIAS\COPage\Page\PageQueryActionHandler\getConfig(), ILIAS\Notes\Export\NotesHtmlExport\getInitialisedTemplate(), ilExplorer\getOutput(), ilSCORM13PlayerGUI\getPlayer(), ilPlugin\getStyleSheetLocation(), ILIAS\Glossary\Export\GlossaryHtmlExport\initScreen(), ilGlossaryPresentationGUI\media(), ilTestPlayerAbstractGUI\outCorrectSolution(), ilTestServiceGUI\outCorrectSolution(), ilLMPresentationGUI\page(), ilGlobalPageTemplate\prepareBasicCSS(), ILIAS\Test\Questions\Presentation\Printer\printAnswers(), ilForumExportGUI\printPost(), ilForumExportGUI\printThread(), ILIAS\Export\PrintProcessGUI\renderPrintView(), ilTestEvaluationGUI\setCss(), ilLMPresentationGUI\setSystemStyle(), ilInternalLinkGUI\showLinkHelp(), ilContainerGUI\showLinkListObject(), ilTestPlayerAbstractGUI\showListOfAnswers(), ilObjMediaPoolGUI\showMedia(), ilPageObjectGUI\showMediaFullscreen(), ilObjMediaPoolGUI\showPage(), ilSCORM13PlayerGUI\specialPage(), ilSAHSPresentationGUI\view(), and ilSCORMPresentationGUI\view().

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getSystemMessageHTML()

static ilUtil::getSystemMessageHTML ( string  $a_txt, string  $a_type = "info"  )

static

Get HTML for a system message.

Deprecated:

replace with UI Compoenten in ilGlobalPageTemplate ATTENTION: This method is deprecated. Use MessageBox from the UI-framework instead.

Definition at line 1253 of file class.ilUtil.php.

    {
        global $DIC;
 
        $box_factory = $DIC->ui()->factory()->messageBox();
        switch ($a_type) {
            case 'info':
                $box = $box_factory->info($a_txt);
                break;
            case 'success':
                $box = $box_factory->success($a_txt);
                break;
            case 'question':
                $box = $box_factory->confirmation($a_txt);
                break;
            case 'failure':
                $box = $box_factory->failure($a_txt);
                break;
            default:
                throw new InvalidArgumentException();
        }
 
        return $DIC->ui()->renderer()->render($box);
    }

References $DIC.

Referenced by ilGroupAddToGroupActionGUI\addUser(), ilTestPasswordProtectionGUI\buildPasswordMsg(), ilGroupAddToGroupActionGUI\confirmAddUser(), ilGroupAddToGroupActionGUI\confirmCreateGroupAndAddUser(), ilGroupAddToGroupActionGUI\createGroup(), ilGroupAddToGroupActionGUI\createGroupAndAddUser(), ilDataCollectionGlobalTemplate\fillMessage(), ilGlobalTemplate\fillMessage(), ilClassificationBlockGUI\filterContainer(), ilCalendarAgendaListGUI\getHTML(), ilTaggingGUI\getHTML(), ilInternalLinkGUI\getUserSearchResult(), ilDclRecordEditGUI\save(), ilGroupAddToGroupActionGUI\selectParent(), ilDclRecordEditGUI\sendFailure(), and ilGroupAddToGroupActionGUI\show().

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groupNameExists()

static ilUtil::groupNameExists ( string  $a_group_name, ?int  $a_id = null  )

static

checks if group name already exists.

Groupnames must be unique for mailing purposes static function

@access public

Parameters

string	groupname
integer	obj_id of group to exclude from the check.

Returns

boolean true if exists

Definition at line 981 of file class.ilUtil.php.

                                                                                   : bool
    {
        global $DIC;
 
        $ilDB = $DIC->database();
 
        $ilErr = null;
        if (isset($DIC["ilErr"])) {
            $ilErr = $DIC["ilErr"];
        }
 
        if (empty($a_group_name)) {
            $message = __METHOD__ . ": No groupname given!";
            $ilErr->raiseError($message, $ilErr->WARNING);
        }
 
        $clause = ($a_id !== null) ? " AND obj_id != " . $ilDB->quote($a_id) . " " : "";
 
        $q = "SELECT obj_id FROM object_data " .
            "WHERE title = " . $ilDB->quote($a_group_name, "text") . " " .
            "AND type = " . $ilDB->quote("grp", "text") .
            $clause;
 
        $r = $ilDB->query($q);
 
        return $r->numRows() > 0;
    }

References $DIC, $ilDB, $ilErr, $message, and $q.

Referenced by ilGroupNameAsMailValidator\__construct(), ilMailAddressTypeHelperImpl\doesGroupNameExists(), and ilSoapGroupAdministration\groupExists().

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htmlencodePlainString()

static ilUtil::htmlencodePlainString ( string  $a_str, bool  $a_make_links_clickable, bool  $a_detect_goto_links = false  )

static

Encodes a plain text string into HTML for display in a browser.

This function encodes HTML special characters: < > & with < > & and converts newlines into

If $a_make_links_clickable is set to true, URLs in the plain string which are considered to be safe, are made clickable.

Parameters

string	the plain text string
boolean	set this to true, to make links in the plain string clickable.
boolean	set this to true, to detect goto links

Definition at line 594 of file class.ilUtil.php.

     : string {
        $encoded = "";
 
        if ($a_make_links_clickable) {
            // Find text sequences in the plain text string which match
            // the URI syntax rules, and pass them to ilUtil::makeClickable.
            // Encode all other text sequences in the plain text string using
            // htmlspecialchars and nl2br.
            // The following expressions matches URI's as specified in RFC 2396.
            //
            // The expression matches URI's, which start with some well known
            // schemes, like "http:", or with "www.". This must be followed
            // by at least one of the following RFC 2396 expressions:
            // - alphanum:           [a-zA-Z0-9]
            // - reserved:           [;\/?:|&=+$,]
            // - mark:               [\\-_.!~*\'()]
            // - escaped:            %[0-9a-fA-F]{2}
            // - fragment delimiter: #
            // - uric_no_slash:      [;?:@&=+$,]
            $matches = [];
            $numberOfMatches = preg_match_all(
                '/(?:(?:http|https|ftp|ftps|mailto):|www\.)(?:[a-zA-Z0-9]|[;\/?:|&=+$,]|[\\-_.!~*\'()]|%[0-9a-fA-F]{2}|#|[;?:@&=+$,])+/',
                $a_str,
                $matches,
                PREG_OFFSET_CAPTURE
            );
            $pos1 = 0;
            $encoded = "";
 
            foreach ($matches[0] as $match) {
                $matched_text = $match[0];
                $pos2 = $match[1];
 
                // encode plain text
                $encoded .= nl2br(htmlspecialchars(substr($a_str, $pos1, $pos2 - $pos1)));
 
                // encode URI
                $encoded .= ilUtil::makeClickable($matched_text, $a_detect_goto_links);
 
 
                $pos1 = $pos2 + strlen($matched_text);
            }
            if ($pos1 < strlen($a_str)) {
                $encoded .= nl2br(htmlspecialchars(substr($a_str, $pos1)));
            }
        } else {
            $encoded = nl2br(htmlspecialchars($a_str));
        }
        return $encoded;
    }

References makeClickable().

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img()

static ilUtil::img ( string  $a_src, ?string  $a_alt = null,   $a_width = "",   $a_height = "",   $a_border = 0,   $a_id = "",   $a_class = ""  )

static

Build img tag.

Deprecated:

Definition at line 325 of file class.ilUtil.php.

      {
        $img = '<img src="' . $a_src . '"';
        if (!is_null($a_alt)) {
            $img .= ' alt="' . htmlspecialchars($a_alt) . '"';
        }
        if ($a_width != "") {
            $img .= ' width="' . htmlspecialchars($a_width) . '"';
        }
        if ($a_height != "") {
            $img .= ' height="' . htmlspecialchars($a_height) . '"';
        }
        if ($a_class != "") {
            $img .= ' class="' . $a_class . '"';
        }
        if ($a_id != "") {
            $img .= ' id="' . $a_id . '"';
        }
        $img .= ' />';
 
        return $img;
    }

Referenced by ilTable2GUI\fillHeader(), ilItemGroupItemsTableGUI\fillRow(), ilExportIDTableGUI\fillRow(), ilLMPagesTableGUI\fillRow(), ilMediaPoolTableGUI\fillRow(), ilAdminSubItemsTableGUI\fillRow(), ilSearchResultTableGUI\fillRow(), ilObjClipboardTableGUI\fillRow(), ILIAS\Repository\Provider\RepositoryMainBarProvider\getHomeItem(), ilMainMenuSearchGUI\getHTML(), ilNoteGUI\getOriginHeader(), ilLMPageObjectGUI\initEditLayoutForm(), ilOnScreenChatGUI\initializeFrontend(), ilPCResourcesGUI\insertResourcesIntoPageContent(), ilSCORM2004TrackingItemsTableGUI\parseValue(), ilSCORMTrackingItemsTableGUI\parseValue(), ilNestedListInputGUI\render(), and ilExplorerBaseGUI\renderNode().

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insertInstIntoID()

static ilUtil::insertInstIntoID ( string  $a_value )

static

inserts installation id into ILIAS id

e.g. "il__pg_3" -> "il_43_pg_3"

Deprecated:

Definition at line 961 of file class.ilUtil.php.

                                                            : string
    {
        if (substr($a_value, 0, 4) == "il__") {
            $a_value = "il_" . IL_INST_ID . "_" . substr($a_value, 4, strlen($a_value) - 4);
        }
 
        return $a_value;
    }

References IL_INST_ID.

Referenced by ilObjTest\modifyExportIdentifier(), ilObjQuestionPool\modifyExportIdentifier(), and ilObjMediaObject\modifyExportIdentifier().

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is_email()

static ilUtil::is_email ( string  $a_email, ?ilMailRfc822AddressParserFactory  $mailAddressParserFactory = null  )

static

This preg-based function checks whether an e-mail address is formally valid.

It works with all top level domains including the new ones (.biz, .info, .museum etc.) and the special ones (.arpa, .int etc.) as well as with e-mail addresses based on IPs (e.g. webma.nosp@m.ster.nosp@m.@123..nosp@m.45.1.nosp@m.23.45) Valid top level domains: http://data.iana.org/TLD/tlds-alpha-by-domain.txt

Deprecated:

use ilMailRfc822AddressParserFactory directly

Definition at line 279 of file class.ilUtil.php.

     : bool {
        if ($mailAddressParserFactory === null) {
            $mailAddressParserFactory = new ilMailRfc822AddressParserFactory();
        }
 
        try {
            $parser = $mailAddressParserFactory->getParser($a_email);
            $addresses = $parser->parse();
            return count($addresses) == 1 && $addresses[0]->getHost() != ilMail::ILIAS_HOST;
        } catch (ilException $e) {
            return false;
        }
    }

Referenced by ilEMailInputGUI\checkInput(), ilPasswordAssistanceGUI\emailTrafo(), ilCmiXapiUser\getIdent(), ilSurveyExecutionGUI\mailUserResults(), ilObjSurveyGUI\mailUserResultsObject(), ilCalendarUserNotification\validate(), and ilObjCourse\validateInfoSettings().

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isHTML()

static ilUtil::isHTML ( string  $a_text )

static

Checks if a given string contains HTML or not.

Parameters

string

$a_text

Text which should be checked

Returns

boolean @access public

Definition at line 1165 of file class.ilUtil.php.

                                                 : bool
    {
        if (strlen(strip_tags($a_text)) < strlen($a_text)) {
            return true;
        }
 
        return false;
    }

Referenced by assQuestionExport\addQTIMaterial(), assTextQuestion\getSolutionSubmit(), ilAssSelfAssessmentQuestionFormatter\handleLineBreaks(), ilLegacyFormElementsUtil\prepareTextareaOutput(), and assMatchingQuestionExport\toXML().

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isLogin()

static ilUtil::isLogin ( string  $a_login )

static

Deprecated:

Definition at line 299 of file class.ilUtil.php.

                                                   : bool
    {
        if (empty($a_login)) {
            return false;
        }
 
        if (strlen($a_login) < 3) {
            return false;
        }
 
        // FIXME - If ILIAS is configured to use RFC 822
        //         compliant mail addresses we should not
        //         allow the @ character.
        if (!preg_match("/^[A-Za-z0-9_\.\+\*\@!\$\%\~\-]+$/", $a_login)) {
            return false;
        }
 
        return true;
    }

Referenced by ilUserLoginInputGUI\checkInput(), ilAuthProviderApache\doAuthentication(), ilAccountRegistrationGUI\saveForm(), and ILIAS\User\Profile\PersonalProfileGUI\updateLoginOrSetErrorMessages().

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isWindows()

static ilUtil::isWindows ( )

static

Deprecated:

Definition at line 1012 of file class.ilUtil.php.

                                      : bool
    {
        return (strtolower(substr(php_uname(), 0, 3)) === "win");
    }

Referenced by ilGitInformation\detect(), ilImagemapPreview\execQuoted(), and ilShellUtil\execQuoted().

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makeClickable()

static ilUtil::makeClickable ( string  $a_text, bool  $detectGotoLinks = false, ?string  $ilias_http_path = null  )

static

Deprecated:

Use the respective Refinery transformation $refinery->string()->makeClickable("foo bar") to convert URL-like string parts to an HTML anchor (<a>) element. Will be removed in ILIAS 10.

Definition at line 220 of file class.ilUtil.php.

     : string {
        global $DIC;
 
        $ret = $DIC->refinery()->string()->makeClickable()->transform($a_text);
 
        if ($detectGotoLinks) {
            $ilias_http_path = $ilias_http_path ?? (defined('ILIAS_HTTP_PATH') ? ILIAS_HTTP_PATH : '');
 
            $goto = '<a[^>]*href="(' . str_replace('@', '\@', $ilias_http_path) . '/goto';
            $regExp = $goto . '.php\?target=\w+_(\d+)[^"]*)"[^>]*>[^<]*</a>';
            $ret = preg_replace_callback(
                '@' . $regExp . '@i',
                [self::class, 'replaceLinkProperties'],
                $ret
            );
 
            // Edited this regex to allow multiple links in $ret: .* to [^"><]*.
            $regExp = $goto . '_[^"><]*[a-z0-9]+_([0-9]+)\.html)"[^>]*>[^<]*</a>';
            $ret = preg_replace_callback(
                '@' . $regExp . '@i',
                [self::class, 'replaceLinkProperties'],
                $ret
            );
        }
 
        return $ret;
    }

Referenced by ilAppointmentPresentationGUI\addEventDescription(), ilAppointmentPresentationCourseGUI\collectPropertiesAndActions(), ilAppointmentPresentationGroupGUI\collectPropertiesAndActions(), ilAppointmentPresentationSessionGUI\collectPropertiesAndActions(), ilCourseRegistrationGUI\fillInformations(), ilGroupRegistrationGUI\fillInformations(), ilPDNewsTableGUI\fillRow(), ilCalendarAppointmentPanelGUI\getHTML(), ilADTExternalLinkPresentationBridge\getHTML(), htmlencodePlainString(), ilObjCourseGUI\infoScreen(), ilObjGroupGUI\infoScreen(), ilNewsForContextBlockGUI\makeClickable(), ilPDNewsTableGUI\makeClickable(), and ilUtilTest\testMakeClickableWithoutGotoLinks().

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maskAttributeTag()

static ilUtil::maskAttributeTag ( string  $a_str, string  $tag, string  $tag_att  )

staticprivate

Definition at line 649 of file class.ilUtil.php.

                                                                                         : string
    {
        global $DIC;
 
        $ilLog = $DIC["ilLog"];
 
        $ws = "[\s]*";
        $att = $ws . "[^>]*" . $ws;
 
        while (preg_match(
            '/<(' . $tag . $att . '(' . $tag_att . $ws . '="' . $ws . '(([$@!*()~;,_0-9A-z\/:=%.&#?+\-])*)")' . $att . ')>/i',
            $a_str,
            $found
        )) {
            $old_str = $a_str;
            $a_str = preg_replace(
                "/<" . preg_quote($found[1], "/") . ">/i",
                '&lt;' . $tag . ' ' . $tag_att . $tag_att . '="' . $found[3] . '"&gt;',
                $a_str
            );
            if ($old_str == $a_str) {
                $ilLog->write(
                    "ilUtil::maskA-" . htmlentities($old_str) . " == " .
                    htmlentities($a_str)
                );
                return $a_str;
            }
        }
        $a_str = str_ireplace(
            "</$tag>",
            "&lt;/$tag&gt;",
            $a_str
        );
        return $a_str;
    }

References $DIC.

Referenced by maskSecureTags().

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maskSecureTags()

static ilUtil::maskSecureTags ( string  $a_str, array  $allow_array  )

staticprivate

Definition at line 504 of file class.ilUtil.php.

                                                                             : string
    {
        foreach ($allow_array as $t) {
            switch ($t) {
                case "a":
                    $a_str = ilUtil::maskAttributeTag($a_str, "a", "href");
                    break;
 
                case "img":
                    $a_str = ilUtil::maskAttributeTag($a_str, "img", "src");
                    break;
 
                case "p":
                case "div":
                    $a_str = ilUtil::maskTag($a_str, $t, [
                        ["param" => "align", "value" => "left"],
                        ["param" => "align", "value" => "center"],
                        ["param" => "align", "value" => "justify"],
                        ["param" => "align", "value" => "right"]
                    ]);
                    break;
 
                default:
                    $a_str = ilUtil::maskTag($a_str, $t);
                    break;
            }
        }
 
        return $a_str;
    }

References maskAttributeTag(), and maskTag().

Referenced by secureString().

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maskTag()

static ilUtil::maskTag ( string  $a_str, string  $tag, array  $fix_param = []  )

static

Definition at line 714 of file class.ilUtil.php.

                                                                                     : string
    {
        $a_str = str_replace(
            ["<$tag>", "<" . strtoupper($tag) . ">"],
            "&lt;" . $tag . "&gt;",
            $a_str
        );
        $a_str = str_replace(
            ["</$tag>", "</" . strtoupper($tag) . ">"],
            "&lt;/" . $tag . "&gt;",
            $a_str
        );
 
        foreach ($fix_param as $p) {
            $k = $p["param"];
            $v = $p["value"];
            $a_str = str_replace(
                "<$tag $k=\"$v\">",
                "&lt;" . "$tag $k=\"$v\"" . "&gt;",
                $a_str
            );
        }
 
        return $a_str;
    }

Referenced by maskSecureTags().

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now()

static ilUtil::now ( )

static

Return current timestamp in Y-m-d H:i:s format.

Deprecated:

Definition at line 1022 of file class.ilUtil.php.

                                : string
    {
        return date("Y-m-d H:i:s");
    }

Referenced by ilHistory\_copyEntriesForObject(), ilObjSCORMTracking\_insertTrackData(), ILIAS\Skill\Profile\SkillProfileCompletionDBRepository\addFulfilmentEntry(), ilSkillLevelDBRepository\addLevel(), ILIAS\Skill\Profile\SkillProfileCompletionDBRepository\addNonFulfilmentEntry(), ilRepositoryObjectPlugin\beforeActivation(), ilNewsItem\create(), ilPageObject\createFromXML(), ILIAS\Notes\NotesManager\createNote(), ILIAS\Test\Setup\CloneIntroductionAndClosingRemarksMigration\createPageWithNextId(), ilAuthProviderLTI\createUser(), ilCalendarHeaderNavigationGUI\getHTML(), ilNewsItem\getLastNewsIdForContext(), ilLMNavigationStatus\getPredecessorPageId(), ilWikiUserHTMLExport\getProcess(), ilLMNavigationStatus\getSuccessorPageId(), ilSkillUserLevelDBRepository\hasRecentSelfEvaluation(), ilLMContentRendererGUI\renderDeactivatedPageMessage(), ilObjForum\saveData(), ilExAssignmentMemberStatus\setFeedback(), ilExAssignmentMemberStatus\setMark(), ilExAssignmentMemberStatus\setSent(), ilExAssignmentMemberStatus\setStatus(), ilObjSCORMTracking\storeJsApiCmi(), ilBlogPosting\unpublish(), ilNewsItem\update(), ilPageObject\update(), ilPageObject\updateFromXML(), ilExSubmission\updateTextSubmission(), ilExSubmission\updateTutorDownloadTime(), and ILIAS\Exercise\Submission\SubmissionRepository\updateWebDirAccessTime().

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parseImportId()

static ilUtil::parseImportId ( string  $a_import_id )

static

Parse an ilias import id Typically of type il_[IL_INST_ID]_[OBJ_TYPE]_[OBJ_ID] returns array( 'orig' => 'il_4800_rolt_123' 'prefix' => 'il' 'inst_id => '4800' 'type' => 'rolt' 'id' => '123'.

Deprecated:

Definition at line 1357 of file class.ilUtil.php.

                                                             : array
    {
        $exploded = explode('_', $a_import_id);
 
        $parsed['orig'] = $a_import_id;
        if ($exploded[0] == 'il') {
            $parsed['prefix'] = $exploded[0];
        }
        if (is_numeric($exploded[1])) {
            $parsed['inst_id'] = (int) $exploded[1];
        }
        $parsed['type'] = $exploded[2];
 
        if (is_numeric($exploded[3])) {
            $parsed['id'] = (int) $exploded[3];
        }
        return $parsed;
    }

References ILIAS\Repository\int().

Referenced by ilECSEnrolmentStatusCommandQueueHandler\handleCreate(), ilAdvancedMDRecordParser\handlerBeginTag(), ilQuestionPageParser\handlerEndTag(), and ilAdvancedMDFieldDefinitionInternalLink\importValueFromXML().

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redirect()

static ilUtil::redirect ( string  $a_script )

static

Deprecated:

Use $DIC->ctrl()->redirectToURL() instead

Definition at line 944 of file class.ilUtil.php.

                                                     : void
    {
        global $DIC;
 
        if (!isset($DIC['ilCtrl']) || !$DIC['ilCtrl'] instanceof ilCtrl) {
            (new InitCtrlService())->init($DIC);
        }
        $DIC->ctrl()->redirectToURL($a_script);
    }

References $DIC, and init().

Referenced by ilLearningProgressGUI\__getNextClass(), ilObjCourseGUI\_goto(), ilObjSystemFolderGUI\_goto(), ilObjItemGroupGUI\_goto(), ilObjPollGUI\_goto(), ilObjLinkResourceGUI\_goto(), ilObjGroupGUI\_goto(), ilObjLearningSequence\_goto(), ilCourseRegistrationGUI\add(), ilGroupRegistrationGUI\add(), ilObjCourseGUI\afterSave(), ilObjLearningSequenceGUI\afterSave(), ilObjMediaCastGUI\afterSave(), ilObjMediaPoolGUI\afterSave(), ilObjOrgUnitGUI\afterSave(), ilObjSurveyGUI\afterSave(), ilObjSurveyQuestionPoolGUI\afterSave(), ilObjQuestionPoolGUI\afterSave(), ilObjLinkResourceGUI\afterSave(), ilTestPlayerAbstractGUI\afterTestPassFinishedCmd(), ilSurveyExecutionGUI\backToRepository(), ilObjTestGUI\backToRepositoryObject(), ilLMPageObjectGUI\cancel(), SurveyQuestionGUI\cancel(), ilMailFormGUI\cancelMail(), ilSharedResourceGUI\cancelPassword(), ilContainerStartObjectsGUI\checkPermission(), ilInternalLinkGUI\closeLinkHelp(), ilObjectCopyGUI\copyMultipleNonContainer(), ilImageMapEditorGUI\editImagemapForward(), ilErrorHandling\errorHandler(), ilCalendarPresentationGUI\executeCommand(), ilDashboardGUI\executeCommand(), ilObjMediaPoolGUI\executeCommand(), ilSAHSEditGUI\executeCommand(), ILIAS\User\Profile\PublicProfileGUI\getHTML(), ilObjItemGroupGUI\gotoParent(), ilObjWikiGUI\gotoStartPageObject(), ilMembershipRegistrationCodeUtils\handleCode(), ilObjSurveyQuestionPoolGUI\importFile(), ilObjSurveyGUI\importSurveyObject(), ilEditClipboardGUI\insert(), ilMailingListsGUI\mailToList(), ilObjRoleGUI\mailToRoleObject(), ilObjSCORMLearningModuleGUI\newModuleVersionUpload(), ilExerciseManagementGUI\openSubmissionViewObject(), ilObjLearningSequenceLearnerGUI\play(), ilShibbolethWAYF\redirect(), SurveyQuestionGUI\redirectAfterSaving(), ilExerciseManagementGUI\redirectFeedbackMailObject(), ilObjCourseGUI\redirectLocToTestConfirmedObject(), ilObjCourseGUI\redirectLocToTestObject(), ilBookingReservationsGUI\redirectMailToBooker(), ilPortfolioRepositoryGUI\redirectSendMailToSharer(), ilObjLinkResourceGUI\redirectToLink(), ilContentStyleSettingsGUI\saveActiveStyles(), ilMailFormGUI\saveDraft(), ILIAS\User\Profile\PersonalProfileGUI\savePublicProfile(), ilContentStyleSettingsGUI\saveScope(), ilObjContentObjectGUI\sendMailToBlockedUsers(), ilMembershipGUI\sendMailToSelectedUsers(), ilObjAuthSettingsGUI\setAuthModeObject(), ilTestPlayerAbstractGUI\submitSolutionCmd(), ilObjPollGUI\subscribe(), ilContentStyleSettingsGUI\toggleGlobalDefault(), ilContentStyleSettingsGUI\toggleGlobalFixed(), ilObjPortfolioGUI\toRepository(), ilObjPollGUI\unsubscribe(), ilObjSAHSLearningModuleGUI\uploadObject(), and ilObjPollGUI\vote().

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replaceLinkProperties()

static ilUtil::replaceLinkProperties ( array  $matches )

staticprivate

Definition at line 252 of file class.ilUtil.php.

                                                                 : string
    {
        global $DIC;
        $cache = $DIC['ilObjDataCache'];
 
        $link = $matches[0];
        $ref_id = (int) $matches[2];
        if ($ref_id > 0) {
            $obj_id = $cache->lookupObjId($ref_id);
            if ($obj_id > 0) {
                $title = $cache->lookupTitle($obj_id);
                $link = '<a href="' . $matches[1] . '" target="_self">' . $title . '</a>';
            }
        }
 
        return $link;
    }

References $DIC, $ref_id, and ILIAS\Repository\int().

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secureLink()

static ilUtil::secureLink ( string  $a_str )

static

Deprecated:

Definition at line 760 of file class.ilUtil.php.

                                                    : string
    {
        $a_str = str_ireplace("javascript", "jvscrpt", $a_str);
        $a_str = str_ireplace(["%00",
                               "%0a",
                               "%0d",
                               "%1a",
                               "�",
                               "�",
                               "�",
                               "�",
                               "
",
                               "
",
                               "
",
                               "
"
        ], "-", $a_str);
        return $a_str;
    }

Referenced by ilObjMediaObjectGUI\savePropertiesObject(), and unmaskAttributeTag().

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securePlainString()

static ilUtil::securePlainString ( string  $a_str )

static

Deprecated:

Definition at line 569 of file class.ilUtil.php.

                                                           : string
    {
        if (ini_get("magic_quotes_gpc")) {
            return stripslashes($a_str);
        } else {
            return $a_str;
        }
    }

Referenced by ilMailFormGUI\editAttachments(), ilMailFormGUI\saveDraft(), ilMailFormGUI\saveMailBeforeSearch(), ilMailFormGUI\search(), ilMailFormGUI\searchUsers(), ilMailFormGUI\sendMessage(), and ilMailFormGUI\showForm().

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secureString()

static ilUtil::secureString ( string  $a_str, bool  $a_strip_html = true, string  $a_allow = ""  )

static

Deprecated:

Definition at line 421 of file class.ilUtil.php.

                                                                                                       : string
    {
        // check whether all allowed tags can be made secure
        $only_secure = true;
        $allow_tags = explode(">", $a_allow);
        $sec_tags = ilUtil::getSecureTags();
        $allow_array = [];
        foreach ($allow_tags as $allow) {
            if ($allow != "") {
                $allow = str_replace("<", "", $allow);
 
                if (!in_array($allow, $sec_tags)) {
                    $only_secure = false;
                }
                $allow_array[] = $allow;
            }
        }
 
        // default behaviour: allow only secure tags 1:1
        if (($only_secure || $a_allow == "") && $a_strip_html) {
            if ($a_allow === "") {
                $allow_array = ["b",
                                "i",
                                "strong",
                                "em",
                                "code",
                                "cite",
                                "gap",
                                "sub",
                                "sup",
                                "pre",
                                "strike",
                                "bdo"
                ];
            }
 
            // this currently removes parts of strings like "a <= b"
            // because "a <= b" is treated like "<spam onclick='hurt()'>ss</spam>"
            $a_str = ilUtil::maskSecureTags($a_str, $allow_array);
            $a_str = strip_tags($a_str);        // strip all other tags
            $a_str = ilUtil::unmaskSecureTags($a_str, $allow_array);
 
            // a possible solution could be something like:
            // $a_str = str_replace("<", "&lt;", $a_str);
            // $a_str = str_replace(">", "&gt;", $a_str);
            // $a_str = ilUtil::unmaskSecureTags($a_str, $allow_array);
            //
            // output would be ok then, but input fields would show
            // "a &lt;= b" for input "a <= b" if data is brought back to a form
        } else {
            // only for scripts, that need to allow more/other tags and parameters
            if ($a_strip_html) {
                $a_str = ilUtil::stripScriptHTML($a_str, $a_allow);
            }
        }
 
        return $a_str;
    }

References getSecureTags(), maskSecureTags(), stripScriptHTML(), and unmaskSecureTags().

Referenced by ilOrgUnitExplorerGUI\getNodeContent(), assKprimChoiceGUI\handleAnswerTextsSubmit(), ilUserDataSet\importRecord(), ilTaggingSlateContentGUI\renderResourcesForTag(), ilAssSelfAssessmentQuestionFormatter\stripHtmlExceptSelfAssessmentTags(), and stripSlashes().

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secureUrl()

static ilUtil::secureUrl ( string  $url )

static

Deprecated:

Definition at line 830 of file class.ilUtil.php.

                                                 : string
    {
        // check if url is valid (absolute or relative)
        if (filter_var($url, FILTER_VALIDATE_URL) === false &&
            filter_var("http://" . $url, FILTER_VALIDATE_URL) === false &&
            filter_var("http:" . $url, FILTER_VALIDATE_URL) === false &&
            filter_var("http://de.de" . $url, FILTER_VALIDATE_URL) === false &&
            filter_var("http://de.de/" . $url, FILTER_VALIDATE_URL) === false) {
            return "";
        }
        if (trim(strtolower(parse_url($url, PHP_URL_SCHEME) ?? '')) === "javascript") {
            return "";
        }
 
        return htmlspecialchars($url, ENT_QUOTES);
    }

References $url.

Referenced by ilGroupedListGUI\getHTML(), and ilObjMediaObject\getXML().

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setCookie()

static ilUtil::setCookie ( string  $a_cookie_name, string  $a_cookie_value = '', bool  $a_also_set_super_global = true, bool  $a_set_cookie_invalid = false  )

static

Deprecated:

use HTTP-service instead

Definition at line 1281 of file class.ilUtil.php.

     : void {
        global $DIC;
 
        $http = $DIC->http();
        $cookie_jar = $http->cookieJar();
 
        $cookie_factory = new CookieFactoryImpl();
 
        $cookie_expire = null;
        if (defined('IL_COOKIE_EXPIRE') && is_numeric(IL_COOKIE_EXPIRE) && IL_COOKIE_EXPIRE > 0) {
            $cookie_expire = (int) IL_COOKIE_EXPIRE;
        }
 
        $expires = null;
        if ($a_set_cookie_invalid) {
            $expires = time() - 10;
        } elseif ($cookie_expire > 0) {
            $expires = time() + $cookie_expire;
        }
 
        $cookie = $cookie_factory->create($a_cookie_name, $a_cookie_value)
                                 ->withExpires($expires)
                                 ->withSecure(defined('IL_COOKIE_SECURE') ? IL_COOKIE_SECURE : false)
                                 ->withPath(defined('IL_COOKIE_PATH') ? IL_COOKIE_PATH : '')
                                 ->withDomain(defined('IL_COOKIE_DOMAIN') ? IL_COOKIE_DOMAIN : '')
                                 ->withHttpOnly(defined('IL_COOKIE_HTTPONLY') ? IL_COOKIE_HTTPONLY : false);
 
 
        if (
            defined('IL_COOKIE_SECURE') && IL_COOKIE_SECURE &&
            (!isset(session_get_cookie_params()['samesite']) || strtolower(session_get_cookie_params()['samesite']) !== 'strict')
        ) {
            $cookie = $cookie->withSamesite(Cookie::SAMESITE_LAX);
        }
        $jar = $cookie_jar->with($cookie);
        $response = $jar->renderIntoResponseHeader($http->response());
        $http->saveResponse($response);
    }

Referenced by ilInitialisation\determineClient(), ilSoapAdministration\initAuth(), ilLTIViewGUI\logout(), ilSessionControl\removeSessionCookie(), and ilInitialisation\setClientIdCookie().

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stripOnlySlashes()

static ilUtil::stripOnlySlashes ( string  $a_str )

static

Deprecated:

Definition at line 409 of file class.ilUtil.php.

                                                          : string
    {
        if (ini_get("magic_quotes_gpc")) {
            $a_str = stripslashes($a_str);
        }
 
        return $a_str;
    }

Referenced by assQuestionGUI\writeQuestionGenericPostData().

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stripScriptHTML()

static ilUtil::stripScriptHTML ( string  $a_str, string  $a_allow = "", bool  $a_rm_js = true  )

static

Deprecated:

Definition at line 782 of file class.ilUtil.php.

                                                                                                     : string
    {
        $negativestr = "a,abbr,acronym,address,applet,area,base,basefont," .
            "big,blockquote,body,br,button,caption,center,cite,code,col," .
            "colgroup,dd,del,dfn,dir,div,dl,dt,em,fieldset,font,form,frame," .
            "frameset,h1,h2,h3,h4,h5,h6,head,hr,html,i,iframe,img,input,ins,isindex,kbd," .
            "label,legend,li,link,map,menu,meta,noframes,noscript,object,ol," .
            "optgroup,option,p,param,q,s,samp,script,select,small,span," .
            "strike,strong,style,sub,sup,table,tbody,td,textarea,tfoot,th,thead," .
            "title,tr,tt,u,ul,var";
        $a_allow = strtolower($a_allow);
        $negatives = explode(",", $negativestr);
        $outer_old_str = "";
        while ($outer_old_str != $a_str) {
            $outer_old_str = $a_str;
            foreach ($negatives as $item) {
                $pos = strpos($a_allow, "<$item>");
 
                // remove complete tag, if not allowed
                if ($pos === false) {
                    $old_str = "";
                    while ($old_str != $a_str) {
                        $old_str = $a_str;
                        $a_str = preg_replace("/<\/?\s*$item(\/?)\s*>/i", "", $a_str);
                        $a_str = preg_replace("/<\/?\s*$item(\/?)\s+([^>]*)>/i", "", $a_str);
                    }
                }
            }
        }
 
        if ($a_rm_js) {
            // remove all attributes if an "on..." attribute is given
            $a_str = preg_replace("/<\s*\w*(\/?)(\s+[^>]*)?(\s+on[^>]*)>/i", "", $a_str);
 
            // remove all attributes if a "javascript" is within tag
            $a_str = preg_replace("/<\s*\w*(\/?)\s+[^>]*javascript[^>]*>/i", "", $a_str);
 
            // remove all attributes if an "expression" is within tag
            // (IE allows something like <b style='width:expression(alert(1))'>test</b>)
            $a_str = preg_replace("/<\s*\w*(\/?)\s+[^>]*expression[^>]*>/i", "", $a_str);
        }
 
        return $a_str;
    }

Referenced by ilDataCollectionGlobalTemplate\fillHeader(), ilGlobalTemplate\fillHeader(), ILIAS\components\UICore\MetaTemplate\PageContentGUI\fillHeader(), ilDataCollectionGlobalTemplate\fillWindowTitle(), ilGlobalTemplate\fillWindowTitle(), and secureString().

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stripSlashes()

static ilUtil::stripSlashes ( string  $a_str, bool  $a_strip_html = true, string  $a_allow = ""  )

static

Deprecated:

Definition at line 397 of file class.ilUtil.php.

                                                                                                       : string
    {
        if (ini_get("magic_quotes_gpc")) {
            $a_str = stripslashes($a_str);
        }
 
        return ilUtil::secureString($a_str, $a_strip_html, $a_allow);
    }

References secureString().

Referenced by ilTaxonomyExplorerGUI\__construct(), ilObjTaggingSettingsGUI\__construct(), ilSearchGUI\__construct(), ilLDAPSettingsGUI\__construct(), ilSearchGUI\__parseQueryString(), ilUserSearchFilter\__parseQueryString(), ilRepositorySearchGUI\__parseQueryString(), ilFileUtils\_sanitizeFilemame(), ilObjContentObjectGUI\addTooltip(), ILIAS\Container\Content\Filter\FilterManager\apply(), ilCmiXapiStatementsGUI\asyncUserAutocompleteCmd(), ilLTIConsumerXapiStatementsGUI\asyncUserAutocompleteCmd(), ilObjForumGUI\autosaveDraftAsyncObject(), ilObjForumGUI\autosaveThreadDraftAsyncObject(), ilRepositoryTrashGUI\buildPath(), ilDashboardBlockGUI\changePDItemPresentationObject(), ilDashboardBlockGUI\changePDItemSortingObject(), ilFileInputGUI\checkInput(), ilClozeGapInputBuilderGUI\checkInput(), ilObjSurvey\cloneTextblocks(), ilMailAttachmentGUI\confirmDeleteAttachments(), ilFileSystemGUI\createDirectory(), ilObjFileBasedLMGUI\createFromDirectory(), ilObjForumGUI\decorateWithAutosave(), ilExAssignmentEditorGUI\deleteAssignmentsObject(), ilFileSystemGUI\deleteFile(), ilPCInteractiveImage\deleteOverlay(), ilObjSurveyGUI\doAutoCompleteObject(), ilObjContentObjectGUI\doExportHTML(), ilObjContentObjectGUI\doExportXML(), ilStartUpGUI\doSamlAuthentication(), ilSCORM13PlayerGUI\downloadLog(), ilObjLanguageExtGUI\downloadObject(), ilCronManagerGUI\executeCommand(), ilMailGUI\executeCommand(), assQuestionGUI\executeCommand(), ilObjContentObjectGUI\export(), ilObjMediaPoolGUI\export(), ilObjContentObjectGUI\exportHTML(), ilFileSystemGUI\extCommand(), ilMailSearchObjectMembershipsTableGUI\fillRow(), ilExportIDTableGUI\fillRow(), ilPDNewsTableGUI\fillRow(), ilObjTestGUI\forwardCommandToQuestion(), ilMailTemplateGUI\getAjaxPlaceholdersByIdCommand(), ilPCDataTableGUI\getCellContent(), ilObjUser\getFullname(), ilSamlSettingsGUI\getIdpForm(), ilFormulaInputGUI\getInput(), ilTextAreaInputGUI\getInput(), ilAssignedUsersTableGUI\getItems(), ilLMQuestionListTableGUI\getItems(), ilSCORM2004TrackingItemsTableGUI\getItems(), ilSCORMTrackingItemsTableGUI\getItems(), ilTrObjectUsersPropsTableGUI\getItems(), ilTrUserObjectsPropsTableGUI\getItems(), ilUserLPTableGUI\getItems(), ilTrSummaryTableGUI\getItems(), ilExplorerBaseGUI\getNodeAsync(), assAnswerCloze\getNumericValueFromText(), ilObjForumGUI\getOrderByParam(), ilSCORMPackageParser\getPackageTitle(), assTextQuestion\getSolutionSubmit(), ilTaggingGUI\getTagsFromInput(), ilUserTableGUI\getUserIdsForFilter(), ilChatroomInviteUsersToPrivateRoomGUI\getUserList(), ilObjSessionGUI\handleFileUpload(), ilObjForumGUI\handleFormInput(), ilSCORMPackageParser\handlerCharacterData(), ilChatroomXMLParser\handlerEndTag(), ilForumXMLParser\handlerEndTag(), ilSCORM13Package\il_import(), ilContentPageDataSet\importRecord(), ilPresentationFullGUI\initFilter(), ilPresentationTableGUI\initFilter(), ILIAS\COPage\PC\Paragraph\ParagraphCommandActionHandler\insertParagraph(), ilECSUser\loadFromGET(), ilECSSettingsGUI\loadFromPost(), ilLDAPRoleGroupMappingSettings\loadFromPost(), ilObjEmployeeTalkSeriesGUI\loadRecurrenceSettings(), ilObjSessionGUI\loadRecurrenceSettings(), ilEmployeeTalkAppointmentGUI\loadRecurrenceSettings(), ilLDAPSettingsGUI\loadRoleAssignmentRule(), ilMailSearchGUI\lookupRecipientAsync(), ilMailFormGUI\lookupRecipientAsync(), ilObjLanguageExtGUI\maintainExecuteObject(), ilMediaPoolExportOptionXMLMaster\onExportOptionSelected(), ilMediaPoolExportOptionXMLMasterNoMedia\onExportOptionSelected(), ILIAS\Survey\CSVReader\open(), ilSCORM13PlayerGUI\openLog(), assQuestionGUI\outChapterSelector(), assQuestionGUI\outPageSelector(), ilTrashTableGUI\parse(), ilSCORMTrackingUsersTableGUI\parse(), ilFileSystemGUI\parseCurrentDirectory(), ilObjStudyProgrammeAutoMembershipsGUI\parseQueryString(), ilRepositorySearchGUI\performSearch(), ilLegacyFormElementsUtil\prepareFormOutput(), ilAnswerWizardInputGUI\prepareFormOutput(), ilLMPageGUI\processAnswer(), ilICalParser\purgeString(), ilMailBodyPurifier\purify(), ilLuceneSearchGUI\remoteSearch(), ilFileSystemGUI\renameFile(), ilObjForumGUI\renderPostingForm(), ilEMailInputGUI\sanitize(), ilFileSystemGUI\sanitizeCurrentDirectory(), ilQtiMatImageSecurity\sanitizeLabel(), ilChatroomFormFactory\saniziteArrayElementsTrafo(), ilLMEditShortTitlesGUI\save(), ilLMPageObjectGUI\save(), ilObjSkillTreeGUI\saveAllTemplateTitles(), ilObjSkillTreeGUI\saveAllTitles(), ilObjAuthSettingsGUI\saveApacheSettingsObject(), ilExerciseSubmissionFeedbackGUI\saveCommentForLearners(), ilExerciseManagementGUI\saveEvaluationFromModalObject(), ilObjContentObjectGUI\saveExportIds(), ilObjWikiGUI\saveGradingObject(), ilObjSystemFolderGUI\saveHeaderTitlesObject(), ilSurveyEditorGUI\saveHeadingObject(), ilObjSystemFolderGUI\saveJavaServerObject(), ILIAS\Test\Scoring\Manual\TestScoringByQuestionGUI\saveManScoringByQuestion(), ILIAS\Test\Scoring\Manual\TestScoringByParticipantGUI\saveManScoringParticipantScreen(), ilObjLanguageExtGUI\saveObject(), ilObjPortfolioBaseGUI\savePortfolioPagesOrdering(), ilObjTaxonomyGUI\saveSorting(), ilPortfolioRepositoryGUI\saveTitles(), ilLegalDocumentsAdministrationGUI\searchUser(), ilPCTableGUI\setAlignment(), ilContentPagePageCommandForwarder\setBackLinkTab(), ilForumPageCommandForwarder\setBackLinkTab(), ilLDAPRoleGroupMappingSetting\setRoleByName(), ilPCTableGUI\setStyles(), ilPCInteractiveImage\setTriggerProperties(), ilPCTableGUI\setWidths(), ilCalendarCategoryGUI\sharePerformSearch(), ilStartUpGUI\showSamlLoginForm(), ilObjSCORM2004LearningModuleGUI\showTrackingItems(), ilObjSCORMLearningModuleGUI\showTrackingItems(), ilObjSCORM2004LearningModuleGUI\showTrackingItemsBySco(), ilObjSCORMLearningModuleGUI\showTrackingItemsBySco(), ilObjForumGUI\showUserObject(), ilBadgeGUIRequest\strArray(), ILIAS\User\UserGUIRequest\strArray(), ILIAS\Repository\HTML\HTMLUtil\strip(), ILIAS\Repository\strip(), ilCertificateUtilHelper\stripSlashes(), ilFormPropertyGUI\stripSlashesAddSpaceFallback(), SurveyQuestion\stripSlashesAddSpaceFallback(), ilArrayUtil\stripSlashesArray(), ilClozeGapInputBuilderGUI\stripSlashesRecursive(), ilArrayUtil\stripSlashesRecursive(), assLongMenuGUI\stripSlashesRecursive(), ilDataSet\stripTags(), ilBuddySystemGUI\transitionAsyncCommand(), ilContainerBaseXmlParser\trimAndStrip(), ilCourseXMLParser\trimAndStrip(), ilExerciseXMLParser\trimAndStrip(), ilGroupXMLParser\trimAndStrip(), ilStyleImportParser\trimAndStrip(), SurveyImportParser\trimAndStrip(), ilWebLinkXmlParser\trimAndStrip(), ILIAS\COPage\Page\PageCommandActionHandler\updateCommand(), ilPCDataTableGUI\updateJS(), ilObjLinkResourceGUI\updateLinks(), ilExerciseXMLParser\updateMarking(), ilSessionMembershipGUI\updateMembers(), ILIAS\COPage\PC\Paragraph\ParagraphCommandActionHandler\updateParagraph(), ilAdvancedMDSettingsGUI\updateRecords(), ilRegistrationGUI\updateSubscriptionRequest(), ilFileSystemGUI\uploadFile(), ilObjLanguageExtGUI\uploadObject(), ilObjForumGUI\viewThreadObject(), and assMatchingQuestionGUI\writeAnswerSpecificPostData().

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switchColor()

static ilUtil::switchColor ( int  $a_num, string  $a_css1, string  $a_css2  )

static

switches style sheets for each even $a_num (used for changing colors of different result rows)

Deprecated:

Definition at line 207 of file class.ilUtil.php.

                                                                                  : string
    {
        if (!($a_num % 2)) {
            return $a_css1;
        } else {
            return $a_css2;
        }
    }

Referenced by ilForumExportGUI\renderPostHtml().

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tf2yn()

static ilUtil::tf2yn ( bool  $a_tf )

static

Deprecated:

Definition at line 915 of file class.ilUtil.php.

                                            : string
    {
        if ($a_tf) {
            return "y";
        } else {
            return "n";
        }
    }

Referenced by ilObjRoleGUI\permSaveObject(), ilObjSAHSLearningModule\setAutoReview(), ilObjGlossary\update(), ilObjSAHSLearningModule\update(), and ilObjContentObject\updateProperties().

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unmaskAttributeTag()

static ilUtil::unmaskAttributeTag ( string  $a_str, string  $tag, string  $tag_att  )

staticprivate

Definition at line 685 of file class.ilUtil.php.

                                                                                           : string
    {
        global $DIC;
 
        $ilLog = $DIC["ilLog"];
 
        while (preg_match(
            '/<(' . $tag . ' ' . $tag_att . $tag_att . '="(([$@!*()~;,_0-9A-z\/:=%.&#?+\-])*)")>/i',
            $a_str,
            $found
        )) {
            $old_str = $a_str;
            $a_str = preg_replace(
                "/<" . preg_quote($found[1], "/") . ">/i",
                '<' . $tag . ' ' . $tag_att . '="' . ilUtil::secureLink($found[2]) . '">',
                $a_str
            );
            if ($old_str == $a_str) {
                $ilLog->write(
                    "ilUtil::unmaskA-" . htmlentities($old_str) . " == " .
                    htmlentities($a_str)
                );
                return $a_str;
            }
        }
        $a_str = str_replace('&lt;/' . $tag . '&gt;', '</' . $tag . '>', $a_str);
        return $a_str;
    }

References $DIC, and secureLink().

Referenced by unmaskSecureTags().

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unmaskSecureTags()

static ilUtil::unmaskSecureTags ( string  $a_str, array  $allow_array  )

staticprivate

Definition at line 535 of file class.ilUtil.php.

                                                                               : string
    {
        foreach ($allow_array as $t) {
            switch ($t) {
                case "a":
                    $a_str = ilUtil::unmaskAttributeTag($a_str, "a", "href");
                    break;
 
                case "img":
                    $a_str = ilUtil::unmaskAttributeTag($a_str, "img", "src");
                    break;
 
                case "p":
                case "div":
                    $a_str = ilUtil::unmaskTag($a_str, $t, [
                        ["param" => "align", "value" => "left"],
                        ["param" => "align", "value" => "center"],
                        ["param" => "align", "value" => "justify"],
                        ["param" => "align", "value" => "right"]
                    ]);
                    break;
 
                default:
                    $a_str = ilUtil::unmaskTag($a_str, $t);
                    break;
            }
        }
 
        return $a_str;
    }

References unmaskAttributeTag(), and unmaskTag().

Referenced by secureString().

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unmaskTag()

static ilUtil::unmaskTag ( string  $a_str, string  $tag, array  $fix_param = []  )

staticprivate

Definition at line 740 of file class.ilUtil.php.

                                                                                        : string
    {
        $a_str = str_replace("&lt;" . $tag . "&gt;", "<" . $tag . ">", $a_str);
        $a_str = str_replace("&lt;/" . $tag . "&gt;", "</" . $tag . ">", $a_str);
 
        foreach ($fix_param as $p) {
            $k = $p["param"];
            $v = $p["value"];
            $a_str = str_replace(
                "&lt;$tag $k=\"$v\"&gt;",
                "<" . "$tag $k=\"$v\"" . ">",
                $a_str
            );
        }
        return $a_str;
    }

Referenced by unmaskSecureTags().

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yn2tf()

static ilUtil::yn2tf ( string  $a_yn )

static

Deprecated:

use Refinery instead

Definition at line 903 of file class.ilUtil.php.

                                              : bool
    {
        if (strtolower($a_yn) === "y") {
            return true;
        } else {
            return false;
        }
    }

Referenced by ilSCORM2004Tracking\_syncReadEvent(), ilChatUserActionProvider\acceptsMessages(), ilChatroomUser\enabledBroadcastTyping(), ilMailSearchObjectMembershipsTableGUI\fillRow(), ilLMMenuItemsTableGUI\fillRow(), ilObjSAHSLearningModule\getAutoReview(), ilBuddySystemLinkButton\getHtml(), ILIAS\OnScreenChat\Provider\OnScreenChatProvider\getSlateMessageBox(), ilLearningModuleDataSet\importRecord(), ilOnScreenChatGUI\initializeFrontend(), ilObjGlossary\read(), ilObjSAHSLearningModule\read(), ilObjContentObject\readProperties(), ilBuddySystemGUI\requestCommand(), ilObjSCORMLearningModuleGUI\saveProperties(), ilBuddySystemGUI\transitionAsyncCommand(), and ilContactGUI\updateRelationState().

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The documentation for this class was generated from the following file:

• components/ILIAS/Utilities/classes/class.ilUtil.php