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Inline documentation for hooks in wp-includes/class-oembed.php. 

Props swissspidy, kpdesign.
Fixes #25527.

Built from https://develop.svn.wordpress.org/trunk@25723


git-svn-id: http://core.svn.wordpress.org/trunk@25636 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2013-10-07 23:57:10 +00:00
parent b5a5df8a40
commit 0dd024dd70
1 changed files with 54 additions and 8 deletions
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62
wp-includes/class-oembed.php
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@ -26,10 +26,7 @@ class WP_oEmbed {
* @uses apply_filters() Filters a list of pre-defined oEmbed providers. * @uses apply_filters() Filters a list of pre-defined oEmbed providers.
*/ */
function __construct() { function __construct() {
// List out some popular sites that support oEmbed. $providers = array(
// The WP_Embed class disables discovery for non-unfiltered_html users, so only providers in this array will be used for them.
// Add to this list using the wp_oembed_add_provider() function (see its PHPDoc for details).
$this->providers = apply_filters( 'oembed_providers', array(
'#https?://(www\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ), '#https?://(www\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ),
'http://youtu.be/*' => array( 'http://www.youtube.com/oembed', false ), 'http://youtu.be/*' => array( 'http://www.youtube.com/oembed', false ),
'http://blip.tv/*' => array( 'http://blip.tv/oembed/', false ), 'http://blip.tv/*' => array( 'http://blip.tv/oembed/', false ),
@ -56,7 +53,20 @@ class WP_oEmbed {
'#https?://(www\.)?rdio\.com/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ), '#https?://(www\.)?rdio\.com/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ),
'#https?://rd\.io/x/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ), '#https?://rd\.io/x/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ),
'#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ), '#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ),
) ); );
/**
* Filter the list of oEmbed providers.
*
* Discovery is disabled for users lacking the unfiltered_html capability.
* Only providers in this array will be used for those users.
*
* @see wp_oembed_add_provider()
*
* @since 2.9.0
*
* @param array $providers An array of popular oEmbed providers.
*/
$this->providers = apply_filters( 'oembed_providers', $providers );
// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop(). // Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().
add_filter( 'oembed_dataparse', array($this, '_strip_newlines'), 10, 3 ); add_filter( 'oembed_dataparse', array($this, '_strip_newlines'), 10, 3 );
@ -100,6 +110,15 @@ class WP_oEmbed {
if ( !$provider || false === $data = $this->fetch( $provider, $url, $args ) ) if ( !$provider || false === $data = $this->fetch( $provider, $url, $args ) )
return false; return false;
/**
* Filter the HTML returned by the oEmbed provider.
*
* @since 2.9.0
*
* @param string $data The returned oEmbed HTML.
* @param string $url URL of the content to be embedded.
* @param array $args Optional arguments, usually passed from a shortcode.
*/
return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args );
} }
@ -115,11 +134,19 @@ class WP_oEmbed {
// Fetch URL content // Fetch URL content
if ( $html = wp_remote_retrieve_body( wp_safe_remote_get( $url ) ) ) { if ( $html = wp_remote_retrieve_body( wp_safe_remote_get( $url ) ) ) {
// <link> types that contain oEmbed provider URLs /**
* Filter the link types that contain oEmbed provider URLs.
*
* @since 2.9.0
*
* @param array $format Array of oEmbed link types. Accepts 'application/json+oembed',
* 'text/xml+oembed', and 'application/xml+oembed' (incorrect,
* used by at least Vimeo).
*/
$linktypes = apply_filters( 'oembed_linktypes', array( $linktypes = apply_filters( 'oembed_linktypes', array(
'application/json+oembed' => 'json', 'application/json+oembed' => 'json',
'text/xml+oembed' => 'xml', 'text/xml+oembed' => 'xml',
'application/xml+oembed' => 'xml', // Incorrect, but used by at least Vimeo 'application/xml+oembed' => 'xml',
) ); ) );
// Strip <body> // Strip <body>
@ -173,6 +200,15 @@ class WP_oEmbed {
$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider ); $provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
$provider = add_query_arg( 'url', urlencode($url), $provider ); $provider = add_query_arg( 'url', urlencode($url), $provider );
/**
* Filter the oEmbed URL to be fetched.
*
* @since 2.9.0
*
* @param string $provider URL of the oEmbed provider.
* @param string $url URL of the content to be embedded.
* @param array $args Optional arguments, usually passed from a shortcode.
*/
$provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args ); $provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args );
foreach( array( 'json', 'xml' ) as $format ) { foreach( array( 'json', 'xml' ) as $format ) {
@ -309,7 +345,17 @@ class WP_oEmbed {
$return = false; $return = false;
} }
// You can use this filter to add support for custom data types or to filter the result /**
* Filter the returned oEmbed HTML.
*
* Use this filter to add support for custom data types, or to filter the result.
*
* @since 2.9.0
*
* @param string $return The returned oEmbed HTML.
* @param object $data A data object result from an oEmbed provider.
* @param string $url The URL of the content to be embedded.
*/
return apply_filters( 'oembed_dataparse', $return, $data, $url ); return apply_filters( 'oembed_dataparse', $return, $data, $url );
} }