This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for SurveyTextQuestion:

Collaboration diagram for SurveyTextQuestion:

Public Member Functions
	__construct (string $title="", string $description="", string $author="", string $questiontext="", int $owner=-1)

	getQuestionDataArray (int $id)

	loadFromDb (int $question_id)

	isComplete ()

	setMaxChars (int $maxchars=0)

	getMaxChars ()

	saveToDb (int $original_id=0)

	toXML (bool $a_include_header=true, bool $obligatory_state=false)

	insertXML (ilXmlWriter $a_xml_writer, $a_include_header=true)

	getQuestionType ()

	getAdditionalTableName ()

	getWorkingDataFromUserInput (array $post_data)

	checkUserInput (array $post_data, int $survey_id)
	Checks the input of the active user for obligatory status and entered values. More...

	saveUserInput (array $post_data, int $active_id, bool $a_return=false)

	importResponses (array $a_data)

	usableForPrecondition ()

	getTextWidth ()

	getTextHeight ()

	setTextWidth (?int $a_textwidth=null)

	setTextHeight (?int $a_textheight=null)

Public Member Functions inherited from SurveyQuestion
	__construct (string $title="", string $description="", string $author="", string $questiontext="", int $owner=-1)

	setComplete (bool $a_complete)

	isComplete ()

	questionTitleExists (string $title, int $questionpool_object=0)

	setTitle (string $title="")

	setObligatory (bool $obligatory=true)

	setOrientation (int $orientation=0)

	setId (int $id=-1)

	setSurveyId (int $id=-1)

	setDescription (string $description="")

	addMaterials (string $materials_file, string $materials_name="")

	setMaterialsfile (string $materials_filename, string $materials_tempfilename="", string $materials_name="")
	Uploads and adds a material. More...

	deleteMaterial (string $materials_name="")

	flushMaterials ()
	Deletes all materials uris. More...

	setAuthor (string $author="")

	setQuestiontext (string $questiontext="")

	setOwner (int $owner=0)

	getTitle ()

	getLabel ()

	getId ()

	getObligatory ()

	getSurveyId ()

	getOrientation ()

	getDescription ()

	getAuthor ()

	getOwner ()

	getQuestiontext ()

	getObjId ()
	Get the reference(?) id of the container object. More...

	setObjId (int $obj_id=0)
	Set the reference(?) id of the container object. More...

	duplicate (bool $for_survey=true, string $title="", string $author="", int $owner=0, int $a_survey_id=0)

	copyObject (int $target_questionpool, string $title="")

	copyXHTMLMediaObjectsOfQuestion (int $a_q_id)
	Copy media object usages from other question. More...

	loadFromDb (int $question_id)
	load question data into object note: this base implementation only loads the material data More...

	saveCompletionStatus (int $original_id=0)
	Saves the complete flag to the database. More...

	saveToDb (int $original_id=0)
	Saves a SurveyQuestion object to a database. More...

	saveMaterial ()

	createNewQuestion ()
	Creates a new question with a 0 timestamp when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...

	getImagePath ()
	Returns the image path for web accessible images of a question. More...

	getMaterialsPath ()
	Returns the materials path for web accessible materials of a question. More...

	getImagePathWeb ()
	Returns the web image path for web accessible images of a question. More...

	getMaterialsPathWeb ()
	Returns the web image path for web accessable images of a question. More...

	saveCategoryToDb (string $categorytext, int $neutral=0)
	Saves a category to the database. More...

	deleteAdditionalTableData (int $question_id)
	Deletes datasets from the additional question table in the database. More...

	delete (int $question_id)
	Deletes a question and all materials from the database. More...

	syncWithOriginal ()

	getPhrase (int $phrase_id)
	Returns a phrase title for phrase id. More...

	phraseExists (string $title)
	Returns true if the phrase title already exists for the current user(!) More...

	deleteMaterials (array $a_array)

	duplicateMaterials (int $question_id)
	Duplicates the materials of a question. More...

	addMaterial (ilSurveyMaterial $obj_material)

	getQuestionTypeID ()

	getQuestionType ()

	isHTML (string $a_text)

	QTIMaterialToString (ilQTIMaterial $a_material)
	Reads an QTI material tag an creates a text string. More...

	addMaterialTag (ilXmlWriter $a_xml_writer, string $a_material, bool $close_material_tag=true, bool $add_mobs=true, ?array $a_attrs=null)
	Creates an XML material tag from a plain text or xhtml text. More...

	prepareTextareaOutput (string $txt_output, bool $prepare_for_latex_output=false)
	Prepares string for a text area output in surveys. More...

	getQuestionDataArray (int $id)
	Returns the question data. More...

	getWorkingDataFromUserInput (array $post_data)
	Creates the user data of the svy_answer table from the POST data. More...

	importAdditionalMetadata (array $a_meta)
	Import additional meta data from the question import file. More...

	importResponses (array $a_data)
	Import response data from the question import file. More...

	importAdjectives (array $a_data)
	Import bipolar adjectives from the question import file. More...

	importMatrix (array $a_data)
	Import matrix rows from the question import file. More...

	usableForPrecondition ()
	Returns if the question is usable for preconditions. More...

	getAvailableRelations ()
	Returns the available relations for the question. More...

	getPreconditionOptions ()
	Returns the options for preconditions. More...

	getPreconditionValueOutput (string $value)
	Returns the output for a precondition value. More...

	getPreconditionSelectValue (string $default, string $title, string $variable)
	Creates a form property for the precondition value. More...

	setOriginalId (?int $original_id)

	getOriginalId ()

	getMaterial ()

	setSubtype (int $a_subtype)

	getSubtype ()

	__get (string $value)

	__set (string $key, string $value)

	getCopyIds (bool $a_group_by_survey=false)

	hasCopies ()

	stripSlashesAddSpaceFallback (string $a_str)
	Strip slashes with add space fallback, see https://mantis.ilias.de/view.php?id=19727 and https://mantis.ilias.de/view.php?id=24200. More...

Protected Attributes
int	$maxchars = null

int	$textwidth = null

int	$textheight = null

Protected Attributes inherited from SurveyQuestion
int	$original_id

ILIAS SurveyQuestionPool Editing EditSessionRepository	$edit_manager

ilObjUser	$user

ilDBInterface	$db

array	$cumulated

ilLogger	$log

ILIAS SurveyQuestionPool Export ImportSessionRepository	$import_manager

Additional Inherited Members
Static Public Member Functions inherited from SurveyQuestion
static	_isComplete (int $question_id)
	Checks whether the question is complete or not. More...

static	_getQuestionType (int $question_id)
	Returns the question type of a question with a given id. More...

static	_getTitle (int $question_id)
	Returns the question title of a question with a given id. More...

static	_getOriginalId (int $question_id, bool $a_return_question_id_if_no_original=true)
	Returns the original id of a question. More...

static	_questionExists (int $question_id)

static	_resolveInternalLink (string $internal_link)

static	_resolveIntLinks (int $question_id)

static	_getInternalLinkHref (string $target="", int $a_parent_ref_id=null)

static	_isWriteable (int $question_id, int $user_id)
	is question writeable by a certain user More...

static	_includeClass (string $question_type, int $gui=0)
	Include the php class file for a given question type. More...

static	_getQuestionTypeName (string $type_tag)
	Return the translation for a given question type. More...

static	_instanciateQuestion (int $question_id)
	Get question object. More...

static	_instanciateQuestionGUI (int $question_id)
	Get question gui object. More...

static	_instanciateQuestionEvaluation (int $question_id, array $a_finished_ids=null)

static	_changeOriginalId (int $a_question_id, int $a_original_id, int $a_object_id)
	Change original id of existing question in db. More...

static	_lookupSurveyObjId (int $a_question_id)

static	lookupObjFi (int $a_qid)

static	getMaxSumScore (int $survey_id)
	Get max sum score for specific survey (and this question type) More...

Data Fields inherited from SurveyQuestion
int	$id

string	$title

string	$description

int	$owner

string	$author

array	$materials

int	$survey_id

int	$obj_id

string	$questiontext

bool	$obligatory

ilLanguage	$lng

int	$orientation

array	$material

bool	$complete

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning Text survey question

The SurveyTextQuestion class defines and encapsulates basic methods and attributes for text survey question types.

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Definition at line 27 of file class.SurveyTextQuestion.php.

Constructor & Destructor Documentation

◆ __construct()

SurveyTextQuestion::__construct	(	string	$title = `""`,
		string	$description = `""`,
		string	$author = `""`,
		string	$questiontext = `""`,
		int	$owner = `-1`
	)

Definition at line 33 of file class.SurveyTextQuestion.php.

References SurveyQuestion\$author, SurveyQuestion\$description, $DIC, SurveyQuestion\$owner, SurveyQuestion\$questiontext, SurveyQuestion\$title, and ILIAS\GlobalScreen\Provider\__construct().

       {
         global $DIC;
 
         $this->db = $DIC->database();
         parent::__construct($title, $description, $author, $questiontext, $owner);
 
         $this->maxchars = 0;
         $this->textwidth = 50;
         $this->textheight = 5;
     }

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Member Function Documentation

◆ checkUserInput()

SurveyTextQuestion::checkUserInput	(	array	$post_data,
		int	$survey_id
	)

Checks the input of the active user for obligatory status and entered values.

Definition at line 235 of file class.SurveyTextQuestion.php.

References SurveyQuestion\getId(), getMaxChars(), SurveyQuestion\getObligatory(), ILIAS\Repository\lng(), and ilStr\strLen().

      : string {
         $entered_value = $post_data[$this->getId() . "_text_question"];
 
         if ((!$this->getObligatory()) && (strlen($entered_value) == 0)) {
             return "";
         }
 
         if (strlen($entered_value) == 0) {
             return $this->lng->txt("text_question_not_filled_out");
         }
 
         // see bug #22648
         if ($this->getMaxChars() > 0 && ilStr::strLen($entered_value) > $this->getMaxChars()) {
             return str_replace("%s", ilStr::strLen($entered_value), $this->lng->txt("svy_answer_too_long"));
         }
 
         return "";
     }

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◆ getAdditionalTableName()

SurveyTextQuestion::getAdditionalTableName ( )

Definition at line 215 of file class.SurveyTextQuestion.php.

Referenced by getQuestionDataArray(), loadFromDb(), and saveToDb().

                                             : string
     {
         return "svy_qst_text";
     }

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◆ getMaxChars()

SurveyTextQuestion::getMaxChars ( )

Definition at line 113 of file class.SurveyTextQuestion.php.

References $maxchars.

Referenced by checkUserInput(), insertXML(), saveToDb(), and saveUserInput().

                                  : int
     {
         return $this->maxchars;
     }

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◆ getQuestionDataArray()

SurveyTextQuestion::getQuestionDataArray ( int $id )

Definition at line 50 of file class.SurveyTextQuestion.php.

References SurveyQuestion\$db, $ilDB, and getAdditionalTableName().

                                                  : array
     {
         $ilDB = $this->db;
         $result = $ilDB->queryF(
             "SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question, " . $this->getAdditionalTableName() . " WHERE svy_question.question_id = %s AND svy_question.question_id = " . $this->getAdditionalTableName() . ".question_fi",
             array('integer'),
             array($id)
         );
         if ($result->numRows() === 1) {
             return $ilDB->fetchAssoc($result);
         } else {
             return array();
         }
     }

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◆ getQuestionType()

SurveyTextQuestion::getQuestionType ( )

Definition at line 210 of file class.SurveyTextQuestion.php.

Referenced by insertXML().

                                      : string
     {
         return "SurveyTextQuestion";
     }

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◆ getTextHeight()

SurveyTextQuestion::getTextHeight ( )

Definition at line 318 of file class.SurveyTextQuestion.php.

References $textheight.

Referenced by insertXML(), and saveToDb().

                                    : ?int
     {
         return $this->textheight;
     }

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◆ getTextWidth()

SurveyTextQuestion::getTextWidth ( )

Definition at line 313 of file class.SurveyTextQuestion.php.

References $textwidth.

Referenced by insertXML(), and saveToDb().

                                   : ?int
     {
         return $this->textwidth;
     }

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◆ getWorkingDataFromUserInput()

SurveyTextQuestion::getWorkingDataFromUserInput ( array $post_data )

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

References $data, and SurveyQuestion\getId().

      : array {
         $entered_value = $post_data[$this->getId() . "_text_question"] ?? "";
         $data = array();
         if (strlen($entered_value)) {
             $data[] = array("textanswer" => $entered_value);
         }
         return $data;
     }

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◆ importResponses()

SurveyTextQuestion::importResponses ( array $a_data )

Definition at line 293 of file class.SurveyTextQuestion.php.

References $data, SurveyQuestion\$id, setMaxChars(), setTextHeight(), and setTextWidth().

                                                   : void
     {
         foreach ($a_data as $id => $data) {
             if ($data["maxlength"] > 0) {
                 $this->setMaxChars($data["maxlength"]);
             }
             if ($data["rows"] > 0) {
                 $this->setTextHeight($data["rows"]);
             }
             if ($data["columns"] > 0) {
                 $this->setTextWidth($data["columns"]);
             }
         }
     }

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◆ insertXML()

SurveyTextQuestion::insertXML	(	ilXmlWriter	$a_xml_writer,
			$a_include_header = `true`
	)

Definition at line 155 of file class.SurveyTextQuestion.php.

References SurveyQuestion\addMaterialTag(), SurveyQuestion\getAuthor(), SurveyQuestion\getDescription(), SurveyQuestion\getId(), getMaxChars(), SurveyQuestion\getObligatory(), SurveyQuestion\getQuestiontext(), getQuestionType(), getTextHeight(), getTextWidth(), SurveyQuestion\getTitle(), IL_INST_ID, ilXmlWriter\xmlElement(), ilXmlWriter\xmlEndTag(), and ilXmlWriter\xmlStartTag().

Referenced by toXML().

      : void {
         $attrs = array(
             "id" => $this->getId(),
             "title" => $this->getTitle(),
             "type" => $this->getQuestionType(),
             "obligatory" => $this->getObligatory()
         );
         $a_xml_writer->xmlStartTag("question", $attrs);
 
         $a_xml_writer->xmlElement("description", null, $this->getDescription());
         $a_xml_writer->xmlElement("author", null, $this->getAuthor());
         if (strlen($this->label)) {
             $attrs = array(
                 "label" => $this->label,
             );
         } else {
             $attrs = array();
         }
         $a_xml_writer->xmlStartTag("questiontext", $attrs);
         $this->addMaterialTag($a_xml_writer, $this->getQuestiontext());
         $a_xml_writer->xmlEndTag("questiontext");
 
         $a_xml_writer->xmlStartTag("responses");
         $attrs = array(
             "id" => "0",
             "rows" => $this->getTextHeight(),
             "columns" => $this->getTextWidth()
         );
         if ($this->getMaxChars() > 0) {
             $attrs["maxlength"] = $this->getMaxChars();
         }
         $a_xml_writer->xmlElement("response_text", $attrs);
         $a_xml_writer->xmlEndTag("responses");
 
         if (count($this->material)) {
             if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $this->material["internal_link"], $matches)) {
                 $attrs = array(
                     "label" => $this->material["title"]
                 );
                 $a_xml_writer->xmlStartTag("material", $attrs);
                 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
                 if (strcmp($matches[1], "") != 0) {
                     $intlink = $this->material["internal_link"];
                 }
                 $a_xml_writer->xmlElement("mattext", null, $intlink);
                 $a_xml_writer->xmlEndTag("material");
             }
         }
 
         $a_xml_writer->xmlEndTag("question");
     }

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◆ isComplete()

SurveyTextQuestion::isComplete ( )

Definition at line 95 of file class.SurveyTextQuestion.php.

References SurveyQuestion\getAuthor(), SurveyQuestion\getQuestiontext(), and SurveyQuestion\getTitle().

                                 : bool
     {
         if (
             strlen($this->getTitle()) &&
             strlen($this->getAuthor()) &&
             strlen($this->getQuestiontext())
         ) {
             return true;
         } else {
             return false;
         }
     }

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◆ loadFromDb()

SurveyTextQuestion::loadFromDb ( int $question_id )

Definition at line 65 of file class.SurveyTextQuestion.php.

References $data, SurveyQuestion\$db, $ilDB, ilRTE\_replaceMediaObjectImageSrc(), getAdditionalTableName(), SurveyQuestion\setAuthor(), SurveyQuestion\setComplete(), SurveyQuestion\setDescription(), SurveyQuestion\setId(), setMaxChars(), SurveyQuestion\setObjId(), SurveyQuestion\setObligatory(), SurveyQuestion\setOriginalId(), SurveyQuestion\setOwner(), SurveyQuestion\setQuestiontext(), setTextHeight(), setTextWidth(), and SurveyQuestion\setTitle().

                                                 : void
     {
         $ilDB = $this->db;
 
         $result = $ilDB->queryF(
             "SELECT svy_question.*, " . $this->getAdditionalTableName() . ".* FROM svy_question LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = svy_question.question_id WHERE svy_question.question_id = %s",
             array('integer'),
             array($question_id)
         );
         if ($result->numRows() === 1) {
             $data = $ilDB->fetchAssoc($result);
             $this->setId((int) $data["question_id"]);
             $this->setTitle((string) $data["title"]);
             $this->label = (string) $data['label'];
             $this->setDescription((string) $data["description"]);
             $this->setObjId((int) $data["obj_fi"]);
             $this->setAuthor((string) $data["author"]);
             $this->setOwner((int) $data["owner_fi"]);
             $this->setQuestiontext(ilRTE::_replaceMediaObjectImageSrc((string) $data["questiontext"], 1));
             $this->setObligatory((bool) $data["obligatory"]);
             $this->setComplete((bool) $data["complete"]);
             $this->setOriginalId((int) $data["original_id"]);
 
             $this->setMaxChars((int) $data["maxchars"]);
             $this->setTextWidth($data["width"] ? (int) $data["width"] : null);
             $this->setTextHeight($data["height"] ? (int) $data["height"] : null);
         }
         parent::loadFromDb($question_id);
     }

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◆ saveToDb()

SurveyTextQuestion::saveToDb ( int $original_id = 0 )

Definition at line 118 of file class.SurveyTextQuestion.php.

References SurveyQuestion\$db, $ilDB, SurveyQuestion\$original_id, getAdditionalTableName(), SurveyQuestion\getId(), getMaxChars(), getTextHeight(), getTextWidth(), and SurveyQuestion\saveMaterial().

                                                   : int
     {
         $ilDB = $this->db;
 
         $affectedRows = parent::saveToDb($original_id);
         if ($affectedRows === 1) {
             $ilDB->manipulateF(
                 "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
                 array('integer'),
                 array($this->getId())
             );
             $ilDB->manipulateF(
                 "INSERT INTO " . $this->getAdditionalTableName() . " (question_fi, maxchars, width, height) VALUES (%s, %s, %s, %s)",
                 array('integer', 'integer', 'integer', 'integer'),
                 array($this->getId(), $this->getMaxChars(), $this->getTextWidth(), $this->getTextHeight())
             );
 
             $this->saveMaterial();
         }
         return $affectedRows;
     }

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◆ saveUserInput()

SurveyTextQuestion::saveUserInput	(	array	$post_data,
		int	$active_id,
		bool	$a_return = `false`
	)

Definition at line 257 of file class.SurveyTextQuestion.php.

References SurveyQuestion\$db, $ilDB, SurveyQuestion\getId(), getMaxChars(), SurveyQuestion\stripSlashesAddSpaceFallback(), and ilStr\subStr().

      : ?array {
         $ilDB = $this->db;
 
         $entered_value = $this->stripSlashesAddSpaceFallback($post_data[$this->getId() . "_text_question"]);
         $maxchars = $this->getMaxChars();
 
         if ($maxchars > 0) {
             $entered_value = ilStr::subStr($entered_value, 0, $maxchars);
         }
 
         if ($a_return) {
             return array(array("value" => null, "textanswer" => $entered_value));
         }
         if (strlen($entered_value) == 0) {
             return null;
         }
 
         $next_id = $ilDB->nextId('svy_answer');
         #20216
         $fields = array();
         $fields['answer_id'] = array("integer", $next_id);
         $fields['question_fi'] = array("integer", $this->getId());
         $fields['active_fi'] = array("integer", $active_id);
         $fields['value'] = array("float", null);
         $fields['textanswer'] = array("clob", (strlen($entered_value)) ? $entered_value : null);
         $fields['tstamp'] = array("integer", time());
 
         $ilDB->insert("svy_answer", $fields);
 
         return null;
     }

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◆ setMaxChars()

SurveyTextQuestion::setMaxChars ( int $maxchars = 0 )

Definition at line 108 of file class.SurveyTextQuestion.php.

References $maxchars.

Referenced by importResponses(), and loadFromDb().

                                                   : void
     {
         $this->maxchars = $maxchars;
     }

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◆ setTextHeight()

SurveyTextQuestion::setTextHeight ( ?int $a_textheight = null )

Definition at line 332 of file class.SurveyTextQuestion.php.

Referenced by importResponses(), and loadFromDb().

                                                             : void
     {
         if ($a_textheight < 1) {
             $this->textheight = 5;
         } else {
             $this->textheight = $a_textheight;
         }
     }

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◆ setTextWidth()

SurveyTextQuestion::setTextWidth ( ?int $a_textwidth = null )

Definition at line 323 of file class.SurveyTextQuestion.php.

Referenced by importResponses(), and loadFromDb().

                                                           : void
     {
         if ($a_textwidth < 1) {
             $this->textwidth = 50;
         } else {
             $this->textwidth = $a_textwidth;
         }
     }

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◆ toXML()

SurveyTextQuestion::toXML	(	bool	$a_include_header = `true`,
		bool	$obligatory_state = `false`
	)

Definition at line 140 of file class.SurveyTextQuestion.php.

References $xml, and insertXML().

      : string {
         $a_xml_writer = new ilXmlWriter();
         $a_xml_writer->xmlHeader();
         $this->insertXML($a_xml_writer, $a_include_header);
         $xml = $a_xml_writer->xmlDumpMem(false);
         if (!$a_include_header) {
             $pos = strpos($xml, "?>");
             $xml = substr($xml, $pos + 2);
         }
         return $xml;
     }

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◆ usableForPrecondition()

SurveyTextQuestion::usableForPrecondition ( )

Definition at line 308 of file class.SurveyTextQuestion.php.

                                            : bool
     {
         return false;
     }

Field Documentation

◆ $maxchars

int SurveyTextQuestion::$maxchars = null

protected

Definition at line 29 of file class.SurveyTextQuestion.php.

Referenced by getMaxChars(), and setMaxChars().

◆ $textheight

int SurveyTextQuestion::$textheight = null

protected

Definition at line 31 of file class.SurveyTextQuestion.php.

Referenced by getTextHeight().

◆ $textwidth

int SurveyTextQuestion::$textwidth = null

protected

Definition at line 30 of file class.SurveyTextQuestion.php.

Referenced by getTextWidth().

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

Modules/SurveyQuestionPool/Questions/class.SurveyTextQuestion.php

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ checkUserInput()

◆ getAdditionalTableName()

◆ getMaxChars()

◆ getQuestionDataArray()

◆ getQuestionType()

◆ getTextHeight()

◆ getTextWidth()

◆ getWorkingDataFromUserInput()

◆ importResponses()

◆ insertXML()

◆ isComplete()

◆ loadFromDb()

◆ saveToDb()

◆ saveUserInput()

◆ setMaxChars()

◆ setTextHeight()

◆ setTextWidth()

◆ toXML()

◆ usableForPrecondition()

Field Documentation

◆ $maxchars

◆ $textheight

◆ $textwidth