core_rss

Files
file	provider.php
	Privacy class for requesting user data.
file	renderer.php
	Web service documentation renderer.
file	rsslib.php
	This file contains all the common stuff to be used in RSS System.

Namespaces
	core_rss\privacy

Classes
class	core_rss\privacy\provider
	Privacy class for requesting user data. More...
class	core_rss_renderer

Functions
	rss_add_enclosures ($item)
	Adds RSS Media Enclosures for "podcasting" by including attachments that are specified in the item->attachments field. More...
	rss_add_http_header ($context, $componentname, $componentinstance, $title)
	Build the URL for the RSS feed and add it as a header. More...
	rss_add_items ($items)
	Generates the rss XML code for every item passed in the array. More...
	rss_delete_file ($componentname, $instance)
	Given an object, deletes all RSS files associated with it. More...
	rss_delete_token ($userid)
	Removes the token for the given user from the DB. More...
	rss_enabled_for_mod ($modname, $instance=null, $hasrsstype=true, $hasrssarticles=true)
	Are RSS feeds enabled for the supplied module instance? More...
	rss_end_tag ($tag, $level=0, $endline=true)
	Return the xml end tag. More...
	rss_full_tag ($tag, $level=0, $endline=true, $content, $attributes=null)
	Return the while xml element, including content. More...
	rss_get_file_full_name ($componentname, $filename)
	Retrieve the location and file name of a cached RSS feed. More...
	rss_get_file_name ($instance, $sql, $params=array())
	Construct the file name of the RSS File. More...
	rss_get_link ($contextid, $userid, $componentname, $id, $tooltiptext='')
	Print the link for the RSS feed with the correct RSS icon. More...
	rss_get_token ($userid)
	Get the RSS Token from a given user id. More...
	rss_get_url ($contextid, $userid, $componentname, $additionalargs)
	This function returns the URL for the RSS XML file. More...
	rss_get_userid_from_token ($token)
	Get the ID of the user from a given RSS Token. More...
	rss_geterrorxmlfile ($errortype='rsserror')
	This function return an error xml file (string) to be sent when a rss is required (file.php) and something goes wrong. More...
	rss_print_link ($contextid, $userid, $componentname, $id, $tooltiptext='')
	Print the link for the RSS feed with the correct RSS icon (Theme based) More...
	rss_save_file ($componentname, $filename, $contents, $expandfilename=true)
	This function saves to file the rss feed specified in the parameters. More...
	rss_standard_footer ()
	This function return all the common footers for every rss feed in the site. More...
	rss_standard_header ($title=NULL, $link=NULL, $description=NULL)
	This function return all the common headers for every rss feed in the site. More...
	rss_start_tag ($tag, $level=0, $endline=false, $attributes=null)
	Return the xml start tag. More...

Detailed Description

Function Documentation

rss_add_enclosures()

rss_add_enclosures

(

$item

)

Adds RSS Media Enclosures for "podcasting" by including attachments that are specified in the item->attachments field.

Parameters

stdClass

$item

representing an RSS item

Return values

string

RSS enclosure tags

rss_add_http_header()

rss_add_http_header	(		$context,
			$componentname,
			$componentinstance,
			$title
	)

Build the URL for the RSS feed and add it as a header.

Parameters

stdClass	$context	The context under which the URL should be created
string	$componentname	The name of the component for which the RSS feed exists
stdClass	$componentinstance	The instance of the component
string	$title	Name for the link to be added to the page header

rss_add_items()

rss_add_items

(

$items

)

Generates the rss XML code for every item passed in the array.

item->title: The title of the item item->author: The author of the item. Optional !! item->pubdate: The pubdate of the item item->link: The link url of the item item->description: The content of the item

Parameters

array

$items

an array of item objects

Return values

bool|string

the rss XML code for every item passed in the array

rss_delete_file()

rss_delete_file	(		$componentname,
			$instance
	)

Given an object, deletes all RSS files associated with it.

Parameters

string	$componentname	the name of the module ie 'forum'. Used to construct the cache path.
stdClass	$instance	An object with an id member variable ie $forum, $glossary.

rss_delete_token()

rss_delete_token

(

$userid

)

Removes the token for the given user from the DB.

Parameters

int

$userid

The user id for the token you wish to delete

rss_enabled_for_mod()

rss_enabled_for_mod	(		$modname,
			$instance = null,
			$hasrsstype = true,
			$hasrssarticles = true
	)

Are RSS feeds enabled for the supplied module instance?

Parameters

string	$modname	The name of the module to be checked
stdClass	$instance	An instance of an activity module ie $forum, $glossary.
bool	$hasrsstype	Should there be a rsstype member variable?
bool	$hasrssarticles	Should there be a rssarticles member variable?

Return values

bool	whether or not RSS is enabled for the module

rss_end_tag()

rss_end_tag	(		$tag,
			$level = 0,
			$endline = true
	)

Return the xml end tag.

Parameters

string	$tag	the xml tag name
int	$level	the indentation level
bool	$endline	whether or not to start new tags on a new line

Return values

string

the xml end tag

rss_full_tag()

rss_full_tag	(		$tag,
			$level = 0,
			$endline = true,
			$content,
			$attributes = null
	)

Return the while xml element, including content.

Parameters

string	$tag	the xml tag name
int	$level	the indentation level
bool	$endline	whether or not to start new tags on a new line
string	$content	the text to go inside the tag
array	$attributes	the attributes of the xml tag

Return values

string

the whole xml element

rss_get_file_full_name()

rss_get_file_full_name	(		$componentname,
			$filename
	)

Retrieve the location and file name of a cached RSS feed.

Parameters

string	$componentname	the name of the component the RSS feed is being created for
string	$filename	the name of the RSS FEED

Return values

string

The full name and path of the RSS file

rss_get_file_name()

rss_get_file_name	(		$instance,
			$sql,
			$params = array()
	)

Construct the file name of the RSS File.

Parameters

stdClass	$instance	the instance of the source of the RSS feed
string	$sql	the SQL used to produce the RSS feed
array	$params	the parameters used in the SQL query

Return values

string

the name of the RSS file

rss_get_link()

rss_get_link	(		$contextid,
			$userid,
			$componentname,
			$id,
			$tooltiptext = ''
	)

Print the link for the RSS feed with the correct RSS icon.

Parameters

stdClass	$contextid	The id of the context under which the URL should be created
int	$userid	The source of the RSS feed (site/course/group/user)
string	$componentname	The name of the component for which the feed exists
string	$id	The name by which to call the RSS File
string	$tooltiptext	The tooltip to be displayed with the link

Return values

string

HTML output for the RSS link

rss_get_token()

rss_get_token

(

$userid

)

Get the RSS Token from a given user id.

Parameters

int

$userid

The user id

Return values

string

the RSS token for the user

rss_get_url()

rss_get_url	(		$contextid,
			$userid,
			$componentname,
			$additionalargs
	)

This function returns the URL for the RSS XML file.

Parameters

int	$contextid	the course id
int	$userid	the current user id
string	$componentname	the name of the current component. For example "forum"
string	$additionalargs	For modules, module instance id

Return values

string

the url of the RSS feed

rss_get_userid_from_token()

rss_get_userid_from_token

(

$token

)

Get the ID of the user from a given RSS Token.

Parameters

string

$token

the RSS token you would like to use to find the user id

Return values

int	The user id

rss_geterrorxmlfile()

rss_geterrorxmlfile

(

$errortype = 'rsserror'

)

This function return an error xml file (string) to be sent when a rss is required (file.php) and something goes wrong.

Parameters

string

$errortype

Type of error to send, default is rsserror

Return values

stdClass

returns a XML Feed with an error message in it

rss_print_link()

rss_print_link	(		$contextid,
			$userid,
			$componentname,
			$id,
			$tooltiptext = ''
	)

Print the link for the RSS feed with the correct RSS icon (Theme based)

Parameters

stdClass	$contextid	The id of the context under which the URL should be created
int	$userid	The source of the RSS feed (site/course/group/user)
string	$componentname	The name of the component for which the feed exists
string	$id	The name by which to call the RSS File
string	$tooltiptext	The tooltip to be displayed with the link

rss_save_file()

rss_save_file	(		$componentname,
			$filename,
			$contents,
			$expandfilename = true
	)

This function saves to file the rss feed specified in the parameters.

Parameters

string	$componentname	the module name ie forum. Used to create a cache directory.
string	$filename	the name of the file to be created ie "rss.xml"
string	$contents	the data to be written to the file
bool	$expandfilename	whether or not the fullname of the RSS file should be used

Return values

bool	whether the save was successful or not

rss_standard_footer()

rss_standard_footer

(

)

This function return all the common footers for every rss feed in the site.

Return values

string

rss_standard_header()

rss_standard_header	(		$title = NULL,
			$link = NULL,
			$description = NULL
	)

This function return all the common headers for every rss feed in the site.

Parameters

string	$title	the title for the RSS Feed
string	$link	the link for the origin of the RSS feed
string	$description	the description of the contents of the RSS feed

Return values

bool|string

the standard header for the RSS feed

rss_start_tag()

rss_start_tag	(		$tag,
			$level = 0,
			$endline = false,
			$attributes = null
	)

Return the xml start tag.

Parameters

string	$tag	the xml tag name
int	$level	the indentation level
bool	$endline	whether or not to start new tags on a new line
array	$attributes	the attributes of the xml tag

Return values

string

the xml start tag