Inheritance diagram for ilSetting:

Collaboration diagram for ilSetting:

Public Member Functions
	__construct ($a_module="common", $a_disabled_cache=false)
	Initialize settings. More...

	getModule ()
	Get currernt module. More...

	read ()
	Read settings data. More...

	get ($a_keyword, $a_default_value=false)
	get setting More...

	deleteAll ()
	Delete all settings of a current module. More...

	deleteLike ($a_like)
	Delete all settings corresponding to a like string. More...

	delete ($a_keyword)
	delete one value from settingstable @access public More...

	getAll ()
	read all values from settingstable @access public More...

	set ($a_key, $a_val)
	write one value to db-table settings @access public More...

	setScormDebug ($a_key, $a_val)

Static Public Member Functions
static	_lookupValue ($a_module, $a_keyword)

static	_getValueType ()
	Get the type of the value column in the database. More...

static	_changeValueType ($a_new_type='text')
	change the type of the value column in the database More...

static	_getLongerSettings ($a_limit='4000')
	get a list of setting records with values loger than a limit More...

Data Fields
	$setting = array()

	$module = ""

Static Private Attributes
static	$settings_cache = array()
	cache for the read settings ilSetting is instantiated more than once per request for some modules The cache avoids reading them from the DB with each instance More...

static	$value_type = NULL
	the type of settings value field in database This is determined in the set method to get a correct DB insert Don't set the value type to force a detection at first access More...

Detailed Description

ILIAS Setting Class.

Author: Alex Killing alex..nosp@m.kill.nosp@m.ing@d.nosp@m.atab.nosp@m.ay.de

Version: $Id$

Definition at line 32 of file class.ilSetting.php.

Constructor & Destructor Documentation

◆ __construct()

ilSetting::__construct	(	$a_module = `"common"`,
		$a_disabled_cache = `false`
	)

Initialize settings.

Definition at line 55 of file class.ilSetting.php.

        {
                global $ilDB;
                
                $this->cache_disabled = $a_disabled_cache;
                $this->module = $a_module;
                // check whether ini file object exists
                if (!is_object($ilDB))
                {
                        die ("Fatal Error: ilSettings object instantiated without DB initialisation.");
                }
                $this->read();
        }

References $ilDB, and read().

Here is the call graph for this function:

Member Function Documentation

◆ _changeValueType()

static ilSetting::_changeValueType ( $a_new_type = 'text' )

static

change the type of the value column in the database

Parameters

string 'text' or 'clob'

Returns: bolean type changed or not

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

        {
            global $ilDB;
 
            $old_type = self::_getValueType();
 
                if ($a_new_type == $old_type)
                {
                return false;
            }
                elseif ($a_new_type == 'clob')
                {
                $ilDB->addTableColumn('settings','value2',
                                                        array(  "type" => "clob",
                                                                        "notnull" => false,
                                                                        "default" => NULL));
 
                        $ilDB->query("UPDATE settings SET value2 = value");
                        $ilDB->dropTableColumn('settings','value');
                        $ilDB->renameTableColumn('settings','value2','value');
 
                        return true;
            }
                elseif ($a_new_type == 'text')
                {
                        $ilDB->addTableColumn('settings','value2',
                                                        array(  "type" => "text",
                                                                        "length" => 4000,
                                                                        "notnull" => false,
                                                                        "default" => NULL));
 
                        $ilDB->query("UPDATE settings SET value2 = value");
                        $ilDB->dropTableColumn('settings','value');
                        $ilDB->renameTableColumn('settings','value2','value');
 
                        return true;
                }
                else
                {
                return false;
            }
        }

References $ilDB, and _getValueType().

Referenced by ilSetupGUI\changeSettingsType().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ _getLongerSettings()

static ilSetting::_getLongerSettings ( $a_limit = '4000' )

static

get a list of setting records with values loger than a limit

Parameters

int	character limit (default: 4000)

Returns: array records with longer values

Definition at line 343 of file class.ilSetting.php.

        {
            global $ilDB;
 
                $settings = array();
 
                $query = "SELECT * FROM settings WHERE LENGTH(value) > "
                        . $ilDB->quote($a_limit, 'integer');
 
                $result = $ilDB->query($query);
 
                while ($row = $ilDB->fetchAssoc($result))
                {
                $settings[] = $row;
            }
 
                return $settings;
        }

References $ilDB, $query, $result, and $row.

Referenced by ilSetupGUI\changeSettingsType(), and ilSetupGUI\showLongerSettings().

Here is the caller graph for this function:

◆ _getValueType()

static ilSetting::_getValueType ( )

static

Get the type of the value column in the database.

Returns: string 'text' or 'clob'

Exceptions

ilDatabaseException

Definition at line 270 of file class.ilSetting.php.

        {
                include_once ('./Services/Database/classes/class.ilDBAnalyzer.php');
                $analyzer = new ilDBAnalyzer();
                $info = $analyzer->getFieldInformation('settings');
 
                if ($info['value']['type'] == 'clob')
                {
                return 'clob';
            }
                else
                {
                return 'text';
            }
        }

References $info.

Referenced by _changeValueType(), ilSetupGUI\changeSettingsType(), ilSetupGUI\initSettingsTypeForm(), and set().

Here is the caller graph for this function:

◆ _lookupValue()

static ilSetting::_lookupValue	(	$a_module,
		$a_keyword
	)

static

Definition at line 254 of file class.ilSetting.php.

        {
                global $ilDB;
                
                $query = "SELECT value FROM settings WHERE module = %s AND keyword = %s";
                $res = $ilDB->queryF($query, array('text', 'text'), array($a_module, $a_keyword));
                $data = $ilDB->fetchAssoc($res);
                return $data['value'];
        }

References $data, $ilDB, $query, and $res.

◆ delete()

ilSetting::delete ( $a_keyword )

delete one value from settingstable @access public

Parameters

string keyword

Returns: string value

Definition at line 185 of file class.ilSetting.php.

        {
                global $ilDB;
 
                $st = $ilDB->manipulate("DELETE FROM settings WHERE keyword = ".
                        $ilDB->quote($a_keyword, "text")." AND module = ".
                        $ilDB->quote($this->module, "text"));
 
                unset($this->setting[$a_keyword]);
 
                return true;
        }

References $ilDB.

◆ deleteAll()

ilSetting::deleteAll ( )

Delete all settings of a current module.

@access public

Definition at line 145 of file class.ilSetting.php.

        {
                global $ilDB;
                
                $query = "DELETE FROM settings WHERE module = ".$ilDB->quote($this->module, "text");
                $ilDB->manipulate($query);
 
                $this->setting = array();
 
                return true;
        }

References $ilDB, and $query.

◆ deleteLike()

ilSetting::deleteLike ( $a_like )

Delete all settings corresponding to a like string.

@access public

Definition at line 163 of file class.ilSetting.php.

        {
                global $ilDB;
 
                $query = "SELECT keyword FROM settings".
                        " WHERE module = ".$ilDB->quote($this->module, "text").
                        " AND ".$ilDB->like("keyword", "text", $a_like);
                $res = $ilDB->query($query);
                while($row = $ilDB->fetchAssoc($res))
                {
                        $this->delete($row["keyword"]);
                }
                
                return true;
        }

References $ilDB, $query, $res, and $row.

◆ get()

ilSetting::get	(	$a_keyword,
		$a_default_value = `false`
	)

get setting

@access public

Parameters

string	keyword
string	default_value This value is returned, when no setting has been found for the keyword.

Returns: string value

Definition at line 122 of file class.ilSetting.php.

        {
                if ($a_keyword == "ilias_version")
                {
                        return ILIAS_VERSION;
                }
                
                if (isset($this->setting[$a_keyword]))
                {
                        return $this->setting[$a_keyword];
                }
                else
                {
                        return $a_default_value;
                }
        }

References ILIAS_VERSION.

Referenced by ilObjStudyProgrammeAdminGUI\initFormSettings(), and ilOnScreenChatGUI\isOnScreenChatAccessible().

Here is the caller graph for this function:

◆ getAll()

ilSetting::getAll ( )

read all values from settingstable @access public

Returns: array keyword/value pairs

Definition at line 205 of file class.ilSetting.php.

        {
                return $this->setting;
        }

References $setting.

◆ getModule()

ilSetting::getModule ( )

Get currernt module.

Definition at line 72 of file class.ilSetting.php.

        {
                return $this->module;
        }

References $module.

◆ read()

ilSetting::read ( )

Read settings data.

Definition at line 80 of file class.ilSetting.php.

        {
                global $ilDB;
                
                // get the settings from the cache if they exist.
                // The setting array of the class is a reference to the cache.
                // So changing settings in one instance will change them in all.
                // This is the same behaviour as if the are read from the DB.
                if (!$this->cache_disabled)
                {
                        if (isset(self::$settings_cache[$this->module]))
                        {
                                $this->setting =& self::$settings_cache[$this->module];
                                return;
                        }
                        else
                        {
                                $this->setting = array();
                                self::$settings_cache[$this->module] =& $this->setting;
                        }
                }
 
                $query = "SELECT * FROM settings WHERE module=".$ilDB->quote($this->module, "text");
                $res = $ilDB->query($query);
 
                while ($row = $ilDB->fetchAssoc($res))
                {
                        $this->setting[$row["keyword"]] = $row["value"];
                }
 
        }

References $ilDB, $module, $query, $res, $row, and $setting.

Referenced by __construct().

Here is the caller graph for this function:

◆ set()

ilSetting::set	(	$a_key,
		$a_val
	)

write one value to db-table settings @access public

Parameters

string	keyword
string	value

Returns: boolean true on success

Definition at line 217 of file class.ilSetting.php.

        {
                global $lng, $ilDB;
                
                $this->delete($a_key);
 
                if (!isset(self::$value_type))
                {
                self::$value_type = self::_getValueType();
            }
 
                if (self::$value_type == 'text' and strlen($a_val) >= 4000)
                {
                        ilUtil::sendFailure($lng->txt('setting_value_truncated'), true);
                        $a_val = substr($a_val, 0, 4000);
                }
 
                $ilDB->insert("settings", array(
                        "module" => array("text", $this->module),
                        "keyword" => array("text", $a_key),
                        "value" => array(self::$value_type, $a_val)));
 
                $this->setting[$a_key] = $a_val;
 
                return true;
        }

References $ilDB, $lng, _getValueType(), and ilUtil\sendFailure().

Referenced by ilObjStudyProgrammeAdminGUI\saveSettings(), and setScormDebug().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ setScormDebug()

ilSetting::setScormDebug	(	$a_key,
		$a_val
	)

Definition at line 244 of file class.ilSetting.php.

        {
                global $ilDB;
                if ($a_val != "1") {
                        $ilDB->query("UPDATE sahs_lm SET debug = 'n'");
                }
                $setreturn = ilSetting::set($a_key, $a_val);
                return $setreturn;
        }

References $ilDB, and set().

Here is the call graph for this function:

Field Documentation

◆ $module

ilSetting::$module = ""

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

Referenced by getModule(), and read().

◆ $setting

ilSetting::$setting = array()

Definition at line 49 of file class.ilSetting.php.

Referenced by getAll(), and read().

◆ $settings_cache

ilSetting::$settings_cache = array()

staticprivate

cache for the read settings ilSetting is instantiated more than once per request for some modules The cache avoids reading them from the DB with each instance

Definition at line 39 of file class.ilSetting.php.

◆ $value_type

ilSetting::$value_type = NULL

staticprivate

the type of settings value field in database This is determined in the set method to get a correct DB insert Don't set the value type to force a detection at first access

Definition at line 46 of file class.ilSetting.php.

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

Services/Administration/classes/class.ilSetting.php

Public Member Functions

Static Public Member Functions

Data Fields

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ _changeValueType()

◆ _getLongerSettings()

◆ _getValueType()

◆ _lookupValue()

◆ delete()

◆ deleteAll()

◆ deleteLike()

◆ get()

◆ getAll()

◆ getModule()

◆ read()

◆ set()

◆ setScormDebug()

Field Documentation

◆ $module

◆ $setting

◆ $settings_cache

◆ $value_type