");
+ /* see gallery_shortcode() in wp-includes/media.php */
+ ";
+ $size_class = sanitize_html_class( $size );
+ $gallery_div = "
";
+ $output = apply_filters( 'gallery_style', $gallery_style . "\n\t\t" . $gallery_div );
$i = 0;
foreach ( $attachments as $id => $attachment ) {
- $link = isset($attr['link']) && 'file' == $attr['link'] ? wp_get_attachment_link($id, $size, false, false) : wp_get_attachment_link($id, $size, true, false);
+ if ( ! empty( $attr['link'] ) && 'file' === $attr['link'] )
+ $image_output = wp_get_attachment_link( $id, $size, false, false );
+ elseif ( ! empty( $attr['link'] ) && 'none' === $attr['link'] )
+ $image_output = wp_get_attachment_image( $id, $size, false );
+ else
+ $image_output = wp_get_attachment_link( $id, $size, true, false );
+
+ $image_meta = wp_get_attachment_metadata( $id );
+
+ $orientation = '';
+ if ( isset( $image_meta['height'], $image_meta['width'] ) )
+ $orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
$output .= "<{$itemtag} class='gallery-item'>";
$output .= "
- <{$icontag} class='gallery-icon'>
- $link
+ <{$icontag} class='gallery-icon {$orientation}'>
+ $image_output
";
if ( $captiontag && trim($attachment->post_excerpt) ) {
$output .= "
- <{$captiontag} class='gallery-caption'>
+ <{$captiontag} class='wp-caption-text gallery-caption'>
" . wptexturize($attachment->post_excerpt) . "
";
}
@@ -868,6 +814,284 @@ function gallery_shortcode($attr) {
return $output;
}
+/**
+ * Provide a No-JS Flash fallback as a last resort for audio / video
+ *
+ * @since 3.6.0
+ *
+ * @param string $url
+ * @return string Fallback HTML
+ */
+function wp_mediaelement_fallback( $url ) {
+ return apply_filters( 'wp_mediaelement_fallback', sprintf( '
%1$s', esc_url( $url ) ), $url );
+}
+
+/**
+ * Return a filtered list of WP-supported audio formats
+ *
+ * @since 3.6.0
+ * @return array
+ */
+function wp_get_audio_extensions() {
+ return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'wma', 'm4a', 'wav' ) );
+}
+
+/**
+ * The Audio shortcode.
+ *
+ * This implements the functionality of the Audio Shortcode for displaying
+ * WordPress mp3s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @param array $attr Attributes of the shortcode.
+ * @return string HTML content to display audio.
+ */
+function wp_audio_shortcode( $attr ) {
+ $post_id = get_post() ? get_the_ID() : 0;
+
+ static $instances = 0;
+ $instances++;
+
+ $audio = null;
+
+ $default_types = wp_get_audio_extensions();
+ $defaults_atts = array(
+ 'src' => '',
+ 'loop' => '',
+ 'autoplay' => '',
+ 'preload' => 'none'
+ );
+ foreach ( $default_types as $type )
+ $defaults_atts[$type] = '';
+
+ $atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
+ extract( $atts );
+
+ $primary = false;
+ if ( ! empty( $src ) ) {
+ $type = wp_check_filetype( $src, wp_get_mime_types() );
+ if ( ! in_array( $type['ext'], $default_types ) )
+ return sprintf( '
%s', esc_url( $src ), esc_html( $src ) );
+ $primary = true;
+ array_unshift( $default_types, 'src' );
+ } else {
+ foreach ( $default_types as $ext ) {
+ if ( ! empty( $$ext ) ) {
+ $type = wp_check_filetype( $$ext, wp_get_mime_types() );
+ if ( $type['ext'] === $ext )
+ $primary = true;
+ }
+ }
+ }
+
+ if ( ! $primary ) {
+ $audios = get_attached_media( 'audio', $post_id );
+ if ( empty( $audios ) )
+ return;
+
+ $audio = reset( $audios );
+ $src = wp_get_attachment_url( $audio->ID );
+ if ( empty( $src ) )
+ return;
+
+ array_unshift( $default_types, 'src' );
+ }
+
+ $library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
+ if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+ wp_enqueue_style( 'wp-mediaelement' );
+ wp_enqueue_script( 'wp-mediaelement' );
+ }
+
+ $atts = array(
+ 'class' => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ),
+ 'id' => sprintf( 'audio-%d-%d', $post_id, $instances ),
+ 'loop' => $loop,
+ 'autoplay' => $autoplay,
+ 'preload' => $preload,
+ 'style' => 'width: 100%',
+ );
+
+ // These ones should just be omitted altogether if they are blank
+ foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
+ if ( empty( $atts[$a] ) )
+ unset( $atts[$a] );
+ }
+
+ $attr_strings = array();
+ foreach ( $atts as $k => $v ) {
+ $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+ }
+
+ $html = '';
+ if ( 'mediaelement' === $library && 1 === $instances )
+ $html .= "\n";
+ $html .= sprintf( '
';
+
+ return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
+}
+add_shortcode( 'audio', apply_filters( 'wp_audio_shortcode_handler', 'wp_audio_shortcode' ) );
+
+/**
+ * Return a filtered list of WP-supported video formats
+ *
+ * @since 3.6.0
+ * @return array
+ */
+function wp_get_video_extensions() {
+ return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv' ) );
+}
+
+/**
+ * The Video shortcode.
+ *
+ * This implements the functionality of the Video Shortcode for displaying
+ * WordPress mp4s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @param array $attr Attributes of the shortcode.
+ * @return string HTML content to display video.
+ */
+function wp_video_shortcode( $attr ) {
+ global $content_width;
+ $post_id = get_post() ? get_the_ID() : 0;
+
+ static $instances = 0;
+ $instances++;
+
+ $video = null;
+
+ $default_types = wp_get_video_extensions();
+ $defaults_atts = array(
+ 'src' => '',
+ 'poster' => '',
+ 'loop' => '',
+ 'autoplay' => '',
+ 'preload' => 'metadata',
+ 'height' => 360,
+ 'width' => empty( $content_width ) ? 640 : $content_width,
+ );
+
+ foreach ( $default_types as $type )
+ $defaults_atts[$type] = '';
+
+ $atts = shortcode_atts( $defaults_atts, $attr, 'video' );
+ extract( $atts );
+
+ $w = $width;
+ $h = $height;
+ if ( is_admin() && $width > 600 )
+ $w = 600;
+ elseif ( ! is_admin() && $w > $defaults_atts['width'] )
+ $w = $defaults_atts['width'];
+
+ if ( $w < $width )
+ $height = round( ( $h * $w ) / $width );
+
+ $width = $w;
+
+ $primary = false;
+ if ( ! empty( $src ) ) {
+ $type = wp_check_filetype( $src, wp_get_mime_types() );
+ if ( ! in_array( $type['ext'], $default_types ) )
+ return sprintf( '
%s', esc_url( $src ), esc_html( $src ) );
+ $primary = true;
+ array_unshift( $default_types, 'src' );
+ } else {
+ foreach ( $default_types as $ext ) {
+ if ( ! empty( $$ext ) ) {
+ $type = wp_check_filetype( $$ext, wp_get_mime_types() );
+ if ( $type['ext'] === $ext )
+ $primary = true;
+ }
+ }
+ }
+
+ if ( ! $primary ) {
+ $videos = get_attached_media( 'video', $post_id );
+ if ( empty( $videos ) )
+ return;
+
+ $video = reset( $videos );
+ $src = wp_get_attachment_url( $video->ID );
+ if ( empty( $src ) )
+ return;
+
+ array_unshift( $default_types, 'src' );
+ }
+
+ $library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
+ if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+ wp_enqueue_style( 'wp-mediaelement' );
+ wp_enqueue_script( 'wp-mediaelement' );
+ }
+
+ $atts = array(
+ 'class' => apply_filters( 'wp_video_shortcode_class', 'wp-video-shortcode' ),
+ 'id' => sprintf( 'video-%d-%d', $post_id, $instances ),
+ 'width' => absint( $width ),
+ 'height' => absint( $height ),
+ 'poster' => esc_url( $poster ),
+ 'loop' => $loop,
+ 'autoplay' => $autoplay,
+ 'preload' => $preload,
+ );
+
+ // These ones should just be omitted altogether if they are blank
+ foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
+ if ( empty( $atts[$a] ) )
+ unset( $atts[$a] );
+ }
+
+ $attr_strings = array();
+ foreach ( $atts as $k => $v ) {
+ $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+ }
+
+ $html = '';
+ if ( 'mediaelement' === $library && 1 === $instances )
+ $html .= "\n";
+ $html .= sprintf( '
';
+
+ $html = sprintf( '
%s
', $width, $html );
+ return apply_filters( 'wp_video_shortcode', $html, $atts, $video, $post_id, $library );
+}
+add_shortcode( 'video', apply_filters( 'wp_video_shortcode_handler', 'wp_video_shortcode' ) );
+
/**
* Display previous image link that has the same post parent.
*
@@ -899,12 +1123,11 @@ function next_image_link($size = 'thumbnail', $text = false) {
*
* @since 2.5.0
*
- * @param bool $prev Optional. Default is true to display previous link, true for next.
+ * @param bool $prev Optional. Default is true to display previous link, false for next.
*/
function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
- global $post;
- $post = get_post($post);
- $attachments = array_values(get_children( array('post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID') ));
+ $post = get_post();
+ $attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
foreach ( $attachments as $k => $attachment )
if ( $attachment->ID == $post->ID )
@@ -912,8 +1135,14 @@ function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
$k = $prev ? $k - 1 : $k + 1;
- if ( isset($attachments[$k]) )
- echo wp_get_attachment_link($attachments[$k]->ID, $size, true, false, $text);
+ $output = $attachment_id = null;
+ if ( isset( $attachments[ $k ] ) ) {
+ $attachment_id = $attachments[ $k ]->ID;
+ $output = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
+ }
+
+ $adjacent = $prev ? 'previous' : 'next';
+ echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
}
/**
@@ -956,43 +1185,42 @@ function get_attachment_taxonomies($attachment) {
}
/**
- * Check if the installed version of GD supports particular image type
+ * Return all of the taxonomy names that are registered for attachments.
*
- * @since 2.9.0
+ * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
+ *
+ * @since 3.5.0
+ * @see get_attachment_taxonomies()
+ * @uses get_taxonomies()
*
- * @param $mime_type string
- * @return bool
+ * @param string $output The type of output to return, either taxonomy 'names' or 'objects'. 'names' is the default.
+ * @return array The names of all taxonomy of $object_type.
*/
-function gd_edit_image_support($mime_type) {
- if ( function_exists('imagetypes') ) {
- switch( $mime_type ) {
- case 'image/jpeg':
- return (imagetypes() & IMG_JPG) != 0;
- case 'image/png':
- return (imagetypes() & IMG_PNG) != 0;
- case 'image/gif':
- return (imagetypes() & IMG_GIF) != 0;
- }
- } else {
- switch( $mime_type ) {
- case 'image/jpeg':
- return function_exists('imagecreatefromjpeg');
- case 'image/png':
- return function_exists('imagecreatefrompng');
- case 'image/gif':
- return function_exists('imagecreatefromgif');
+function get_taxonomies_for_attachments( $output = 'names' ) {
+ $taxonomies = array();
+ foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) {
+ foreach ( $taxonomy->object_type as $object_type ) {
+ if ( 'attachment' == $object_type || 0 === strpos( $object_type, 'attachment:' ) ) {
+ if ( 'names' == $output )
+ $taxonomies[] = $taxonomy->name;
+ else
+ $taxonomies[ $taxonomy->name ] = $taxonomy;
+ break;
+ }
}
}
- return false;
+
+ return $taxonomies;
}
/**
* Create new GD image resource with transparency support
+ * @TODO: Deprecate if possible.
*
* @since 2.9.0
*
- * @param $width
- * @param $height
+ * @param int $width Image width
+ * @param int $height Image height
* @return image resource
*/
function wp_imagecreatetruecolor($width, $height) {
@@ -1004,288 +1232,6 @@ function wp_imagecreatetruecolor($width, $height) {
return $img;
}
-/**
- * API for easily embedding rich media such as videos and images into content.
- *
- * @package WordPress
- * @subpackage Embed
- * @since 2.9.0
- */
-class WP_Embed {
- var $handlers = array();
- var $post_ID;
- var $usecache = true;
- var $linkifunknown = true;
-
- /**
- * PHP4 constructor
- */
- function WP_Embed() {
- return $this->__construct();
- }
-
- /**
- * PHP5 constructor
- */
- function __construct() {
- // Hack to get the [embed] shortcode to run before wpautop()
- add_filter( 'the_content', array(&$this, 'run_shortcode'), 8 );
-
- // Shortcode placeholder for strip_shortcodes()
- add_shortcode( 'embed', '__return_false' );
-
- // Attempts to embed all URLs in a post
- if ( get_option('embed_autourls') )
- add_filter( 'the_content', array(&$this, 'autoembed'), 8 );
-
- // After a post is saved, invalidate the oEmbed cache
- add_action( 'save_post', array(&$this, 'delete_oembed_caches') );
-
- // After a post is saved, cache oEmbed items via AJAX
- add_action( 'edit_form_advanced', array(&$this, 'maybe_run_ajax_cache') );
- }
-
- /**
- * Process the [embed] shortcode.
- *
- * Since the [embed] shortcode needs to be run earlier than other shortcodes,
- * this function removes all existing shortcodes, registers the [embed] shortcode,
- * calls {@link do_shortcode()}, and then re-registers the old shortcodes.
- *
- * @uses $shortcode_tags
- * @uses remove_all_shortcodes()
- * @uses add_shortcode()
- * @uses do_shortcode()
- *
- * @param string $content Content to parse
- * @return string Content with shortcode parsed
- */
- function run_shortcode( $content ) {
- global $shortcode_tags;
-
- // Backup current registered shortcodes and clear them all out
- $orig_shortcode_tags = $shortcode_tags;
- remove_all_shortcodes();
-
- add_shortcode( 'embed', array(&$this, 'shortcode') );
-
- // Do the shortcode (only the [embed] one is registered)
- $content = do_shortcode( $content );
-
- // Put the original shortcodes back
- $shortcode_tags = $orig_shortcode_tags;
-
- return $content;
- }
-
- /**
- * If a post/page was saved, then output Javascript to make
- * an AJAX request that will call WP_Embed::cache_oembed().
- */
- function maybe_run_ajax_cache() {
- global $post_ID;
-
- if ( empty($post_ID) || empty($_GET['message']) || 1 != $_GET['message'] )
- return;
-
-?>
-
-handlers[$priority][$id] = array(
- 'regex' => $regex,
- 'callback' => $callback,
- );
- }
-
- /**
- * Unregister a previously registered embed handler. Do not use this function directly, use {@link wp_embed_unregister_handler()} instead.
- *
- * @param string $id The handler ID that should be removed.
- * @param int $priority Optional. The priority of the handler to be removed (default: 10).
- */
- function unregister_handler( $id, $priority = 10 ) {
- if ( isset($this->handlers[$priority][$id]) )
- unset($this->handlers[$priority][$id]);
- }
-
- /**
- * The {@link do_shortcode()} callback function.
- *
- * Attempts to convert a URL into embed HTML. Starts by checking the URL against the regex of the registered embed handlers.
- * If none of the regex matches and it's enabled, then the URL will be given to the {@link WP_oEmbed} class.
- *
- * @uses wp_oembed_get()
- * @uses wp_parse_args()
- * @uses wp_embed_defaults()
- * @uses WP_Embed::maybe_make_link()
- * @uses get_option()
- * @uses current_user_can()
- * @uses wp_cache_get()
- * @uses wp_cache_set()
- * @uses get_post_meta()
- * @uses update_post_meta()
- *
- * @param array $attr Shortcode attributes.
- * @param string $url The URL attempting to be embeded.
- * @return string The embed HTML on success, otherwise the original URL.
- */
- function shortcode( $attr, $url = '' ) {
- global $post;
-
- if ( empty($url) )
- return '';
-
- $rawattr = $attr;
- $attr = wp_parse_args( $attr, wp_embed_defaults() );
-
- // Look for known internal handlers
- ksort( $this->handlers );
- foreach ( $this->handlers as $priority => $handlers ) {
- foreach ( $handlers as $id => $handler ) {
- if ( preg_match( $handler['regex'], $url, $matches ) && is_callable( $handler['callback'] ) ) {
- if ( false !== $return = call_user_func( $handler['callback'], $matches, $attr, $url, $rawattr ) )
- return apply_filters( 'embed_handler_html', $return, $url, $attr );
- }
- }
- }
-
- $post_ID = ( !empty($post->ID) ) ? $post->ID : null;
- if ( !empty($this->post_ID) ) // Potentially set by WP_Embed::cache_oembed()
- $post_ID = $this->post_ID;
-
- // Unknown URL format. Let oEmbed have a go.
- if ( $post_ID ) {
-
- // Check for a cached result (stored in the post meta)
- $cachekey = '_oembed_' . md5( $url . serialize( $attr ) );
- if ( $this->usecache ) {
- $cache = get_post_meta( $post_ID, $cachekey, true );
-
- // Failures are cached
- if ( '{{unknown}}' === $cache )
- return $this->maybe_make_link( $url );
-
- if ( !empty($cache) )
- return apply_filters( 'embed_oembed_html', $cache, $url, $attr );
- }
-
- // Use oEmbed to get the HTML
- $attr['discover'] = ( apply_filters('embed_oembed_discover', false) && author_can( $post_ID, 'unfiltered_html' ) );
- $html = wp_oembed_get( $url, $attr );
-
- // Cache the result
- $cache = ( $html ) ? $html : '{{unknown}}';
- update_post_meta( $post_ID, $cachekey, $cache );
-
- // If there was a result, return it
- if ( $html )
- return apply_filters( 'embed_oembed_html', $html, $url, $attr );
- }
-
- // Still unknown
- return $this->maybe_make_link( $url );
- }
-
- /**
- * Delete all oEmbed caches.
- *
- * @param int $post_ID Post ID to delete the caches for.
- */
- function delete_oembed_caches( $post_ID ) {
- $post_metas = get_post_custom_keys( $post_ID );
- if ( empty($post_metas) )
- return;
-
- foreach( $post_metas as $post_meta_key ) {
- if ( '_oembed_' == substr( $post_meta_key, 0, 8 ) )
- delete_post_meta( $post_ID, $post_meta_key );
- }
- }
-
- /**
- * Triggers a caching of all oEmbed results.
- *
- * @param int $post_ID Post ID to do the caching for.
- */
- function cache_oembed( $post_ID ) {
- $post = get_post( $post_ID );
-
- if ( empty($post->ID) || !in_array( $post->post_type, apply_filters( 'embed_cache_oembed_types', array( 'post', 'page' ) ) ) )
- return;
-
- // Trigger a caching
- if ( !empty($post->post_content) ) {
- $this->post_ID = $post->ID;
- $this->usecache = false;
-
- $content = $this->run_shortcode( $post->post_content );
- if ( get_option('embed_autourls') )
- $this->autoembed( $content );
-
- $this->usecache = true;
- }
- }
-
- /**
- * Passes any unlinked URLs that are on their own line to {@link WP_Embed::shortcode()} for potential embedding.
- *
- * @uses WP_Embed::autoembed_callback()
- *
- * @param string $content The content to be searched.
- * @return string Potentially modified $content.
- */
- function autoembed( $content ) {
- return preg_replace_callback( '|^\s*(https?://[^\s"]+)\s*$|im', array(&$this, 'autoembed_callback'), $content );
- }
-
- /**
- * Callback function for {@link WP_Embed::autoembed()}.
- *
- * @uses WP_Embed::shortcode()
- *
- * @param array $match A regex match array.
- * @return string The embed HTML on success, otherwise the original URL.
- */
- function autoembed_callback( $match ) {
- $oldval = $this->linkifunknown;
- $this->linkifunknown = false;
- $return = $this->shortcode( array(), $match[1] );
- $this->linkifunknown = $oldval;
-
- return "\n$return\n";
- }
-
- /**
- * Conditionally makes a hyperlink based on an internal class variable.
- *
- * @param string $url URL to potentially be linked.
- * @return string Linked URL or the original URL.
- */
- function maybe_make_link( $url ) {
- $output = ( $this->linkifunknown ) ? '
' . esc_html($url) . '' : $url;
- return apply_filters( 'embed_maybe_make_link', $output, $url );
- }
-}
-$wp_embed = new WP_Embed();
-
/**
* Register an embed handler. This function should probably only be used for sites that do not support oEmbed.
*
@@ -1311,31 +1257,27 @@ function wp_embed_unregister_handler( $id, $priority = 10 ) {
/**
* Create default array of embed parameters.
*
+ * The width defaults to the content width as specified by the theme. If the
+ * theme does not specify a content width, then 500px is used.
+ *
+ * The default height is 1.5 times the width, or 1000px, whichever is smaller.
+ *
+ * The 'embed_defaults' filter can be used to adjust either of these values.
+ *
* @since 2.9.0
*
* @return array Default embed parameters.
*/
function wp_embed_defaults() {
- if ( !empty($GLOBALS['content_width']) )
- $theme_width = (int) $GLOBALS['content_width'];
-
- $width = get_option('embed_size_w');
+ if ( ! empty( $GLOBALS['content_width'] ) )
+ $width = (int) $GLOBALS['content_width'];
- if ( empty($width) && !empty($theme_width) )
- $width = $theme_width;
-
- if ( empty($width) )
+ if ( empty( $width ) )
$width = 500;
- $height = get_option('embed_size_h');
-
- if ( empty($height) )
- $height = 700;
+ $height = min( ceil( $width * 1.5 ), 1000 );
- return apply_filters( 'embed_defaults', array(
- 'width' => $width,
- 'height' => $height,
- ) );
+ return apply_filters( 'embed_defaults', compact( 'width', 'height' ) );
}
/**
@@ -1368,9 +1310,9 @@ function wp_expand_dimensions( $example_width, $example_height, $max_width, $max
* @uses _wp_oembed_get_object()
* @uses WP_oEmbed::get_html()
*
- * @param string $url The URL that should be embeded.
- * @param array $args Addtional arguments and parameters.
- * @return string The original URL on failure or the embed HTML on success.
+ * @param string $url The URL that should be embedded.
+ * @param array $args Additional arguments and parameters.
+ * @return bool|string False on failure or the embed HTML on success.
*/
function wp_oembed_get( $url, $args = '' ) {
require_once( ABSPATH . WPINC . '/class-oembed.php' );
@@ -1395,3 +1337,693 @@ function wp_oembed_add_provider( $format, $provider, $regex = false ) {
$oembed = _wp_oembed_get_object();
$oembed->providers[$format] = array( $provider, $regex );
}
+
+/**
+ * Removes an oEmbed provider.
+ *
+ * @since 3.5.0
+ * @see WP_oEmbed
+ *
+ * @uses _wp_oembed_get_object()
+ *
+ * @param string $format The URL format for the oEmbed provider to remove.
+ */
+function wp_oembed_remove_provider( $format ) {
+ require_once( ABSPATH . WPINC . '/class-oembed.php' );
+
+ $oembed = _wp_oembed_get_object();
+
+ if ( isset( $oembed->providers[ $format ] ) ) {
+ unset( $oembed->providers[ $format ] );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Determines if default embed handlers should be loaded.
+ *
+ * Checks to make sure that the embeds library hasn't already been loaded. If
+ * it hasn't, then it will load the embeds library.
+ *
+ * @since 2.9.0
+ */
+function wp_maybe_load_embeds() {
+ if ( ! apply_filters( 'load_default_embeds', true ) )
+ return;
+ wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );
+ wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );
+ wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
+}
+
+/**
+ * The Google Video embed handler callback. Google Video does not support oEmbed.
+ *
+ * @see WP_Embed::register_handler()
+ * @see WP_Embed::shortcode()
+ *
+ * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
+ * @param array $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
+ // If the user supplied a fixed width AND height, use it
+ if ( !empty($rawattr['width']) && !empty($rawattr['height']) ) {
+ $width = (int) $rawattr['width'];
+ $height = (int) $rawattr['height'];
+ } else {
+ list( $width, $height ) = wp_expand_dimensions( 425, 344, $attr['width'], $attr['height'] );
+ }
+
+ return apply_filters( 'embed_googlevideo', '
', $matches, $attr, $url, $rawattr );
+}
+
+/**
+ * Audio embed handler callback.
+ *
+ * @since 3.6.0
+ *
+ * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
+ * @param array $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
+ $audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );
+ return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
+}
+
+/**
+ * Video embed handler callback.
+ *
+ * @since 3.6.0
+ *
+ * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
+ * @param array $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array $rawattr The original unmodified attributes.
+ * @return string The embed HTML.
+ */
+function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
+ $dimensions = '';
+ if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
+ $dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
+ $dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
+ }
+ $video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );
+ return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
+}
+
+/**
+ * Converts a shorthand byte value to an integer byte value.
+ *
+ * @since 2.3.0
+ *
+ * @param string $size A shorthand byte value.
+ * @return int An integer byte value.
+ */
+function wp_convert_hr_to_bytes( $size ) {
+ $size = strtolower( $size );
+ $bytes = (int) $size;
+ if ( strpos( $size, 'k' ) !== false )
+ $bytes = intval( $size ) * 1024;
+ elseif ( strpos( $size, 'm' ) !== false )
+ $bytes = intval($size) * 1024 * 1024;
+ elseif ( strpos( $size, 'g' ) !== false )
+ $bytes = intval( $size ) * 1024 * 1024 * 1024;
+ return $bytes;
+}
+
+/**
+ * Determine the maximum upload size allowed in php.ini.
+ *
+ * @since 2.5.0
+ *
+ * @return int Allowed upload size.
+ */
+function wp_max_upload_size() {
+ $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
+ $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );
+ $bytes = apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
+ return $bytes;
+}
+
+/**
+ * Returns a WP_Image_Editor instance and loads file into it.
+ *
+ * @since 3.5.0
+ * @access public
+ *
+ * @param string $path Path to file to load
+ * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
+ * @return WP_Image_Editor|WP_Error
+ */
+function wp_get_image_editor( $path, $args = array() ) {
+ $args['path'] = $path;
+
+ if ( ! isset( $args['mime_type'] ) ) {
+ $file_info = wp_check_filetype( $args['path'] );
+
+ // If $file_info['type'] is false, then we let the editor attempt to
+ // figure out the file type, rather than forcing a failure based on extension.
+ if ( isset( $file_info ) && $file_info['type'] )
+ $args['mime_type'] = $file_info['type'];
+ }
+
+ $implementation = _wp_image_editor_choose( $args );
+
+ if ( $implementation ) {
+ $editor = new $implementation( $path );
+ $loaded = $editor->load();
+
+ if ( is_wp_error( $loaded ) )
+ return $loaded;
+
+ return $editor;
+ }
+
+ return new WP_Error( 'image_no_editor', __('No editor could be selected.') );
+}
+
+/**
+ * Tests whether there is an editor that supports a given mime type or methods.
+ *
+ * @since 3.5.0
+ * @access public
+ *
+ * @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
+ * @return boolean true if an eligible editor is found; false otherwise
+ */
+function wp_image_editor_supports( $args = array() ) {
+ return (bool) _wp_image_editor_choose( $args );
+}
+
+/**
+ * Tests which editors are capable of supporting the request.
+ *
+ * @since 3.5.0
+ * @access private
+ *
+ * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
+ * @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.
+ */
+function _wp_image_editor_choose( $args = array() ) {
+ require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
+ require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
+ require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
+
+ $implementations = apply_filters( 'wp_image_editors',
+ array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
+
+ foreach ( $implementations as $implementation ) {
+ if ( ! call_user_func( array( $implementation, 'test' ), $args ) )
+ continue;
+
+ if ( isset( $args['mime_type'] ) &&
+ ! call_user_func(
+ array( $implementation, 'supports_mime_type' ),
+ $args['mime_type'] ) ) {
+ continue;
+ }
+
+ if ( isset( $args['methods'] ) &&
+ array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
+ continue;
+ }
+
+ return $implementation;
+ }
+
+ return false;
+}
+
+/**
+ * Prints default plupload arguments.
+ *
+ * @since 3.4.0
+ */
+function wp_plupload_default_settings() {
+ global $wp_scripts;
+
+ $data = $wp_scripts->get_data( 'wp-plupload', 'data' );
+ if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
+ return;
+
+ $max_upload_size = wp_max_upload_size();
+
+ $defaults = array(
+ 'runtimes' => 'html5,silverlight,flash,html4',
+ 'file_data_name' => 'async-upload', // key passed to $_FILE.
+ 'multiple_queues' => true,
+ 'max_file_size' => $max_upload_size . 'b',
+ 'url' => admin_url( 'async-upload.php', 'relative' ),
+ 'flash_swf_url' => includes_url( 'js/plupload/plupload.flash.swf' ),
+ 'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
+ 'filters' => array( array( 'title' => __( 'Allowed Files' ), 'extensions' => '*') ),
+ 'multipart' => true,
+ 'urlstream_upload' => true,
+ );
+
+ // Multi-file uploading doesn't currently work in iOS Safari,
+ // single-file allows the built-in camera to be used as source for images
+ if ( wp_is_mobile() )
+ $defaults['multi_selection'] = false;
+
+ $defaults = apply_filters( 'plupload_default_settings', $defaults );
+
+ $params = array(
+ 'action' => 'upload-attachment',
+ );
+
+ $params = apply_filters( 'plupload_default_params', $params );
+ $params['_wpnonce'] = wp_create_nonce( 'media-form' );
+ $defaults['multipart_params'] = $params;
+
+ $settings = array(
+ 'defaults' => $defaults,
+ 'browser' => array(
+ 'mobile' => wp_is_mobile(),
+ 'supported' => _device_can_upload(),
+ ),
+ 'limitExceeded' => is_multisite() && ! is_upload_space_available()
+ );
+
+ $script = 'var _wpPluploadSettings = ' . json_encode( $settings ) . ';';
+
+ if ( $data )
+ $script = "$data\n$script";
+
+ $wp_scripts->add_data( 'wp-plupload', 'data', $script );
+}
+add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
+
+/**
+ * Prepares an attachment post object for JS, where it is expected
+ * to be JSON-encoded and fit into an Attachment model.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $attachment Attachment ID or object.
+ * @return array Array of attachment details.
+ */
+function wp_prepare_attachment_for_js( $attachment ) {
+ if ( ! $attachment = get_post( $attachment ) )
+ return;
+
+ if ( 'attachment' != $attachment->post_type )
+ return;
+
+ $meta = wp_get_attachment_metadata( $attachment->ID );
+ if ( false !== strpos( $attachment->post_mime_type, '/' ) )
+ list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+ else
+ list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
+
+ $attachment_url = wp_get_attachment_url( $attachment->ID );
+
+ $response = array(
+ 'id' => $attachment->ID,
+ 'title' => $attachment->post_title,
+ 'filename' => wp_basename( $attachment->guid ),
+ 'url' => $attachment_url,
+ 'link' => get_attachment_link( $attachment->ID ),
+ 'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
+ 'author' => $attachment->post_author,
+ 'description' => $attachment->post_content,
+ 'caption' => $attachment->post_excerpt,
+ 'name' => $attachment->post_name,
+ 'status' => $attachment->post_status,
+ 'uploadedTo' => $attachment->post_parent,
+ 'date' => strtotime( $attachment->post_date_gmt ) * 1000,
+ 'modified' => strtotime( $attachment->post_modified_gmt ) * 1000,
+ 'menuOrder' => $attachment->menu_order,
+ 'mime' => $attachment->post_mime_type,
+ 'type' => $type,
+ 'subtype' => $subtype,
+ 'icon' => wp_mime_type_icon( $attachment->ID ),
+ 'dateFormatted' => mysql2date( get_option('date_format'), $attachment->post_date ),
+ 'nonces' => array(
+ 'update' => false,
+ 'delete' => false,
+ ),
+ 'editLink' => false,
+ );
+
+ if ( current_user_can( 'edit_post', $attachment->ID ) ) {
+ $response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
+ $response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' );
+ }
+
+ if ( current_user_can( 'delete_post', $attachment->ID ) )
+ $response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
+
+ if ( $meta && 'image' === $type ) {
+ $sizes = array();
+ $possible_sizes = apply_filters( 'image_size_names_choose', array(
+ 'thumbnail' => __('Thumbnail'),
+ 'medium' => __('Medium'),
+ 'large' => __('Large'),
+ 'full' => __('Full Size'),
+ ) );
+ unset( $possible_sizes['full'] );
+
+ // Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
+ // First: run the image_downsize filter. If it returns something, we can use its data.
+ // If the filter does not return something, then image_downsize() is just an expensive
+ // way to check the image metadata, which we do second.
+ foreach ( $possible_sizes as $size => $label ) {
+ if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
+ if ( ! $downsize[3] )
+ continue;
+ $sizes[ $size ] = array(
+ 'height' => $downsize[2],
+ 'width' => $downsize[1],
+ 'url' => $downsize[0],
+ 'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
+ );
+ } elseif ( isset( $meta['sizes'][ $size ] ) ) {
+ if ( ! isset( $base_url ) )
+ $base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
+
+ // Nothing from the filter, so consult image metadata if we have it.
+ $size_meta = $meta['sizes'][ $size ];
+
+ // We have the actual image size, but might need to further constrain it if content_width is narrower.
+ // Thumbnail, medium, and full sizes are also checked against the site's height/width options.
+ list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );
+
+ $sizes[ $size ] = array(
+ 'height' => $height,
+ 'width' => $width,
+ 'url' => $base_url . $size_meta['file'],
+ 'orientation' => $height > $width ? 'portrait' : 'landscape',
+ );
+ }
+ }
+
+ $sizes['full'] = array( 'url' => $attachment_url );
+
+ if ( isset( $meta['height'], $meta['width'] ) ) {
+ $sizes['full']['height'] = $meta['height'];
+ $sizes['full']['width'] = $meta['width'];
+ $sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
+ }
+
+ $response = array_merge( $response, array( 'sizes' => $sizes ), $sizes['full'] );
+ } elseif ( $meta && 'video' === $type ) {
+ if ( isset( $meta['width'] ) )
+ $response['width'] = (int) $meta['width'];
+ if ( isset( $meta['height'] ) )
+ $response['height'] = (int) $meta['height'];
+ }
+
+ if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
+ if ( isset( $meta['length_formatted'] ) )
+ $response['fileLength'] = $meta['length_formatted'];
+ }
+
+ if ( function_exists('get_compat_media_markup') )
+ $response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
+
+ return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
+}
+
+/**
+ * Enqueues all scripts, styles, settings, and templates necessary to use
+ * all media JS APIs.
+ *
+ * @since 3.5.0
+ */
+function wp_enqueue_media( $args = array() ) {
+
+ // Enqueue me just once per page, please.
+ if ( did_action( 'wp_enqueue_media' ) )
+ return;
+
+ $defaults = array(
+ 'post' => null,
+ );
+ $args = wp_parse_args( $args, $defaults );
+
+ // We're going to pass the old thickbox media tabs to `media_upload_tabs`
+ // to ensure plugins will work. We will then unset those tabs.
+ $tabs = array(
+ // handler action suffix => tab label
+ 'type' => '',
+ 'type_url' => '',
+ 'gallery' => '',
+ 'library' => '',
+ );
+
+ $tabs = apply_filters( 'media_upload_tabs', $tabs );
+ unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );
+
+ $props = array(
+ 'link' => get_option( 'image_default_link_type' ), // db default is 'file'
+ 'align' => get_option( 'image_default_align' ), // empty default
+ 'size' => get_option( 'image_default_size' ), // empty default
+ );
+
+ $settings = array(
+ 'tabs' => $tabs,
+ 'tabUrl' => add_query_arg( array( 'chromeless' => true ), admin_url('media-upload.php') ),
+ 'mimeTypes' => wp_list_pluck( get_post_mime_types(), 0 ),
+ 'captions' => ! apply_filters( 'disable_captions', '' ),
+ 'nonce' => array(
+ 'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
+ ),
+ 'post' => array(
+ 'id' => 0,
+ ),
+ 'defaultProps' => $props,
+ 'embedExts' => array_merge( wp_get_audio_extensions(), wp_get_video_extensions() ),
+ );
+
+ $post = null;
+ if ( isset( $args['post'] ) ) {
+ $post = get_post( $args['post'] );
+ $settings['post'] = array(
+ 'id' => $post->ID,
+ 'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
+ );
+
+ if ( current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' ) ) {
+ $featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+ $settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
+ }
+ }
+
+ $hier = $post && is_post_type_hierarchical( $post->post_type );
+
+ $strings = array(
+ // Generic
+ 'url' => __( 'URL' ),
+ 'addMedia' => __( 'Add Media' ),
+ 'search' => __( 'Search' ),
+ 'select' => __( 'Select' ),
+ 'cancel' => __( 'Cancel' ),
+ /* translators: This is a would-be plural string used in the media manager.
+ If there is not a word you can use in your language to avoid issues with the
+ lack of plural support here, turn it into "selected: %d" then translate it.
+ */
+ 'selected' => __( '%d selected' ),
+ 'dragInfo' => __( 'Drag and drop to reorder images.' ),
+
+ // Upload
+ 'uploadFilesTitle' => __( 'Upload Files' ),
+ 'uploadImagesTitle' => __( 'Upload Images' ),
+
+ // Library
+ 'mediaLibraryTitle' => __( 'Media Library' ),
+ 'insertMediaTitle' => __( 'Insert Media' ),
+ 'createNewGallery' => __( 'Create a new gallery' ),
+ 'returnToLibrary' => __( '← Return to library' ),
+ 'allMediaItems' => __( 'All media items' ),
+ 'noItemsFound' => __( 'No items found.' ),
+ 'insertIntoPost' => $hier ? __( 'Insert into page' ) : __( 'Insert into post' ),
+ 'uploadedToThisPost' => $hier ? __( 'Uploaded to this page' ) : __( 'Uploaded to this post' ),
+ 'warnDelete' => __( "You are about to permanently delete this item.\n 'Cancel' to stop, 'OK' to delete." ),
+
+ // From URL
+ 'insertFromUrlTitle' => __( 'Insert from URL' ),
+
+ // Featured Images
+ 'setFeaturedImageTitle' => __( 'Set Featured Image' ),
+ 'setFeaturedImage' => __( 'Set featured image' ),
+
+ // Gallery
+ 'createGalleryTitle' => __( 'Create Gallery' ),
+ 'editGalleryTitle' => __( 'Edit Gallery' ),
+ 'cancelGalleryTitle' => __( '← Cancel Gallery' ),
+ 'insertGallery' => __( 'Insert gallery' ),
+ 'updateGallery' => __( 'Update gallery' ),
+ 'addToGallery' => __( 'Add to gallery' ),
+ 'addToGalleryTitle' => __( 'Add to Gallery' ),
+ 'reverseOrder' => __( 'Reverse order' ),
+ );
+
+ $settings = apply_filters( 'media_view_settings', $settings, $post );
+ $strings = apply_filters( 'media_view_strings', $strings, $post );
+
+ $strings['settings'] = $settings;
+
+ wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
+
+ wp_enqueue_script( 'media-editor' );
+ wp_enqueue_style( 'media-views' );
+ wp_plupload_default_settings();
+
+ require_once ABSPATH . WPINC . '/media-template.php';
+ add_action( 'admin_footer', 'wp_print_media_templates' );
+ add_action( 'wp_footer', 'wp_print_media_templates' );
+
+ do_action( 'wp_enqueue_media' );
+}
+
+/**
+ * Retrieve media attached to the passed post
+ *
+ * @since 3.6.0
+ *
+ * @param string $type (Mime) type of media desired
+ * @param mixed $post Post ID or object
+ * @return array Found attachments
+ */
+function get_attached_media( $type, $post = 0 ) {
+ if ( ! $post = get_post( $post ) )
+ return array();
+
+ $args = array(
+ 'post_parent' => $post->ID,
+ 'post_type' => 'attachment',
+ 'post_mime_type' => $type,
+ 'posts_per_page' => -1,
+ 'orderby' => 'menu_order',
+ 'order' => 'ASC',
+ );
+
+ $args = apply_filters( 'get_attached_media_args', $args, $type, $post );
+
+ $children = get_children( $args );
+
+ return (array) apply_filters( 'get_attached_media', $children, $type, $post );
+}
+
+/**
+ * Check the content blob for an