filter

Directories
directory	classes
directory	classes
directory	classes
directory	classes
directory	classes
directory	classes
directory	classes

Files
file	filter.php
	This filter provides automatic linking to activities when its name (title) is found inside every Moodle text.
file	filter.php
	Moodle - Filter for converting simple calculator-type algebraic expressions to cached gif images.
file	filter.php
	This filter provides automatic linking to database activity entries when found inside every Moodle text.
file	filter.php
	Basic email protection filter.
file	filter.php
	Filter converting emoticon texts into images.
file	filter.php
	This filter provides automatic linking to glossary entries, aliases and categories when found inside every Moodle text.
file	filter.php
	Media plugin filtering.
file	filter.php
	Moodle - Filter for converting TeX expressions to cached gif images.
file	filter.php
	HTML tidy text filter.
file	filter.php
	Filter converting URLs in the text to HTML links.
file	install.php
	Database activity filter post install hook.
file	install.php
	Glossary filter post install hook.
file	install.php
	Mathjax filter post install hook.
file	install.php
	Media filter post install hook.
file	install.php
	Tex filter post install hook.
file	lib.php
	TeX filter library functions.
file	settings.php
	@subpackage emoticon
file	settings.php
	TeX filter settings.
file	upgrade.php
	Manual authentication plugin upgrade code.
file	upgrade.php
	TeX filter upgrade code.
file	version.php
	Version details.
file	version.php
	Version details.
file	version.php
	Data activity filter version information.
file	version.php
	Version details.
file	version.php
	Glossary filter version information.
file	version.php
	Media filter.
file	version.php
	Version details.
file	version.php
	Tex filter.
file	version.php
	Version details.

Classes
class	filter_activitynames
	Activity name filtering. More...
class	filter_algebra
class	filter_emoticon
class	filter_glossary
	Glossary linking filter class. More...
class	filter_mediaplugin
	Automatic media embedding filter class. More...
class	filter_tidy
class	filter_urltolink

Functions
	filter_algebra_image ($imagefile, $tex="", $height="", $width="", $align="middle")
	filter_tex_get_cmd ($pathname, $texexp)
	filter_tex_get_executable ($debug=false)
	filter_tex_sanitize_formula (string $texexp)
	Check the formula expression against the list of denied keywords.
	filter_tex_updatedcallback ($name)
	Purge all caches when settings changed.
	filter_text_image ($imagefile, $tex, $height, $width, $align, $alt)
	Create TeX image link.
	filter_urltolink_img_callback ($link)
	Change links to images into embedded images.
	xmldb_filter_data_install ()
	xmldb_filter_glossary_install ()
	xmldb_filter_mathjaxloader_install ()
	xmldb_filter_mediaplugin_install ()
	xmldb_filter_mediaplugin_upgrade ($oldversion)
	xmldb_filter_tex_install ()
	xmldb_filter_tex_upgrade ($oldversion)

Variables
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
	$plugin = 2022111800
$plugin	component = 'filter_activitynames'
$plugin	component = 'filter_algebra'
$plugin	component = 'filter_data'
$plugin	component = 'filter_emailprotect'
$plugin	component = 'filter_glossary'
$plugin	component = 'filter_mediaplugin'
$plugin	component = 'filter_multilang'
$plugin	component = 'filter_tex'
$plugin	component = 'filter_tidy'
$plugin	dependencies = array('mod_data' => 2022111800)
$plugin	dependencies = array('mod_glossary' => 2022111800)
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800
$plugin	version = 2022112800

Detailed Description

Function Documentation

filter_tex_sanitize_formula()

filter_tex_sanitize_formula

(

string

$texexp

)

Check the formula expression against the list of denied keywords.

List of allowed could be more complete but also harder to maintain.

Parameters

string

$texexp

Formula expression to check.

Return values

string

Formula expression with denied keywords replaced with 'forbiddenkeyword'.

filter_text_image()

filter_text_image	(		$imagefile,
			$tex,
			$height,
			$width,
			$align,
			$alt
	)

Create TeX image link.

Parameters

string	$imagefile	name of file
string	$tex	TeX notation (html entities already decoded)
int	$height	O means automatic
int	$width	O means automatic
string	$align
string	$alt

Return values

string

HTML markup

filter_urltolink_img_callback()

filter_urltolink_img_callback

(

$link

)

Change links to images into embedded images.

This plugin is intended for automatic conversion of image URLs when FORMAT_MOODLE used.

Parameters

$link

Return values

string

xmldb_filter_mediaplugin_upgrade()

xmldb_filter_mediaplugin_upgrade

(

$oldversion

)

Parameters

int

$oldversion

the version we are upgrading from

Return values

bool

result

xmldb_filter_tex_upgrade()

xmldb_filter_tex_upgrade

(

$oldversion

)

Parameters

int

$oldversion

the version we are upgrading from

Return values

bool

result