+/**
+ * Adds a 'wp-post-image' class to post thumbnails. Internal use only.
+ *
+ * Uses the 'begin_fetch_post_thumbnail_html' and 'end_fetch_post_thumbnail_html' action hooks to
+ * dynamically add/remove itself so as to only filter post thumbnails.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ * @return array Modified array of attributes including the new 'wp-post-image' class.
+ */
+function _wp_post_thumbnail_class_filter( $attr ) {
+ $attr['class'] .= ' wp-post-image';
+ return $attr;
+}
+
+/**
+ * Adds '_wp_post_thumbnail_class_filter' callback to the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ */
+function _wp_post_thumbnail_class_filter_add( $attr ) {
+ add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
+}
+
+/**
+ * Removes the '_wp_post_thumbnail_class_filter' callback from the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
+ *
+ * @ignore
+ * @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ */
+function _wp_post_thumbnail_class_filter_remove( $attr ) {
+ remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
+}
+
+add_shortcode('wp_caption', 'img_caption_shortcode');
+add_shortcode('caption', 'img_caption_shortcode');
+
+/**
+ * Builds the Caption shortcode output.
+ *
+ * Allows a plugin to replace the content that would otherwise be returned. The
+ * filter is 'img_caption_shortcode' and passes an empty string, the attr
+ * parameter and the content parameter values.
+ *
+ * The supported attributes for the shortcode are 'id', 'align', 'width', and
+ * 'caption'.
+ *
+ * @since 2.6.0
+ *
+ * @param array $attr {
+ * Attributes of the caption shortcode.
+ *
+ * @type string $id ID of the div element for the caption.
+ * @type string $align Class name that aligns the caption. Default 'alignnone'. Accepts 'alignleft',
+ * 'aligncenter', alignright', 'alignnone'.
+ * @type int $width The width of the caption, in pixels.
+ * @type string $caption The caption text.
+ * @type string $class Additional class name(s) added to the caption container.
+ * }
+ * @param string $content Shortcode content.
+ * @return string HTML content to display the caption.
+ */
+function img_caption_shortcode( $attr, $content = null ) {
+ // New-style shortcode with the caption inside the shortcode with the link and image tags.
+ if ( ! isset( $attr['caption'] ) ) {
+ if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
+ $content = $matches[1];
+ $attr['caption'] = trim( $matches[2] );
+ }
+ } elseif ( strpos( $attr['caption'], '<' ) !== false ) {
+ $attr['caption'] = wp_kses( $attr['caption'], 'post' );
+ }
+
+ /**
+ * Filter the default caption shortcode output.
+ *
+ * If the filtered output isn't empty, it will be used instead of generating
+ * the default caption template.
+ *
+ * @since 2.6.0
+ *
+ * @see img_caption_shortcode()
+ *
+ * @param string $output The caption output. Default empty.
+ * @param array $attr Attributes of the caption shortcode.
+ * @param string $content The image element, possibly wrapped in a hyperlink.
+ */
+ $output = apply_filters( 'img_caption_shortcode', '', $attr, $content );
+ if ( $output != '' )
+ return $output;
+
+ $atts = shortcode_atts( array(
+ 'id' => '',
+ 'align' => 'alignnone',
+ 'width' => '',
+ 'caption' => '',
+ 'class' => '',
+ ), $attr, 'caption' );
+
+ $atts['width'] = (int) $atts['width'];
+ if ( $atts['width'] < 1 || empty( $atts['caption'] ) )
+ return $content;
+
+ if ( ! empty( $atts['id'] ) )
+ $atts['id'] = 'id="' . esc_attr( sanitize_html_class( $atts['id'] ) ) . '" ';
+
+ $class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
+
+ $html5 = current_theme_supports( 'html5', 'caption' );
+ // HTML5 captions never added the extra 10px to the image width
+ $width = $html5 ? $atts['width'] : ( 10 + $atts['width'] );
+
+ /**
+ * Filter the width of an image's caption.
+ *
+ * By default, the caption is 10 pixels greater than the width of the image,
+ * to prevent post content from running up against a floated image.
+ *
+ * @since 3.7.0
+ *
+ * @see img_caption_shortcode()
+ *
+ * @param int $width Width of the caption in pixels. To remove this inline style,
+ * return zero.
+ * @param array $atts Attributes of the caption shortcode.
+ * @param string $content The image element, possibly wrapped in a hyperlink.
+ */
+ $caption_width = apply_filters( 'img_caption_shortcode_width', $width, $atts, $content );
+
+ $style = '';
+ if ( $caption_width )
+ $style = 'style="width: ' . (int) $caption_width . 'px" ';
+
+ $html = '';
+ if ( $html5 ) {
+ $html = '<figure ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
+ . do_shortcode( $content ) . '<figcaption class="wp-caption-text">' . $atts['caption'] . '</figcaption></figure>';
+ } else {
+ $html = '<div ' . $atts['id'] . $style . 'class="' . esc_attr( $class ) . '">'
+ . do_shortcode( $content ) . '<p class="wp-caption-text">' . $atts['caption'] . '</p></div>';
+ }
+
+ return $html;
+}
+
+add_shortcode('gallery', 'gallery_shortcode');
+
+/**
+ * Builds the Gallery shortcode output.
+ *
+ * This implements the functionality of the Gallery Shortcode for displaying
+ * WordPress images on a post.
+ *
+ * @since 2.5.0
+ *
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ * Attributes of the gallery shortcode.
+ *
+ * @type string $order Order of the images in the gallery. Default 'ASC'. Accepts 'ASC', 'DESC'.
+ * @type string $orderby The field to use when ordering the images. Default 'menu_order ID'.
+ * Accepts any valid SQL ORDERBY statement.
+ * @type int $id Post ID.
+ * @type string $itemtag HTML tag to use for each image in the gallery.
+ * Default 'dl', or 'figure' when the theme registers HTML5 gallery support.
+ * @type string $icontag HTML tag to use for each image's icon.
+ * Default 'dt', or 'div' when the theme registers HTML5 gallery support.
+ * @type string $captiontag HTML tag to use for each image's caption.
+ * Default 'dd', or 'figcaption' when the theme registers HTML5 gallery support.
+ * @type int $columns Number of columns of images to display. Default 3.
+ * @type string|array $size Size of the images to display. Accepts any valid image size, or an array of width
+ * and height values in pixels (in that order). Default 'thumbnail'.
+ * @type string $ids A comma-separated list of IDs of attachments to display. Default empty.
+ * @type string $include A comma-separated list of IDs of attachments to include. Default empty.
+ * @type string $exclude A comma-separated list of IDs of attachments to exclude. Default empty.
+ * @type string $link What to link each image to. Default empty (links to the attachment page).
+ * Accepts 'file', 'none'.
+ * }
+ * @return string HTML content to display gallery.
+ */
+function gallery_shortcode( $attr ) {
+ $post = get_post();
+
+ static $instance = 0;
+ $instance++;
+
+ if ( ! empty( $attr['ids'] ) ) {
+ // 'ids' is explicitly ordered, unless you specify otherwise.
+ if ( empty( $attr['orderby'] ) ) {
+ $attr['orderby'] = 'post__in';
+ }
+ $attr['include'] = $attr['ids'];
+ }
+
+ /**
+ * Filter the default gallery shortcode output.
+ *
+ * If the filtered output isn't empty, it will be used instead of generating
+ * the default gallery template.
+ *
+ * @since 2.5.0
+ * @since 4.2.0 The `$instance` parameter was added.
+ *
+ * @see gallery_shortcode()
+ *
+ * @param string $output The gallery output. Default empty.
+ * @param array $attr Attributes of the gallery shortcode.
+ * @param int $instance Unique numeric ID of this gallery shortcode instance.
+ */
+ $output = apply_filters( 'post_gallery', '', $attr, $instance );
+ if ( $output != '' ) {
+ return $output;
+ }
+
+ $html5 = current_theme_supports( 'html5', 'gallery' );
+ $atts = shortcode_atts( array(
+ 'order' => 'ASC',
+ 'orderby' => 'menu_order ID',
+ 'id' => $post ? $post->ID : 0,
+ 'itemtag' => $html5 ? 'figure' : 'dl',
+ 'icontag' => $html5 ? 'div' : 'dt',
+ 'captiontag' => $html5 ? 'figcaption' : 'dd',
+ 'columns' => 3,
+ 'size' => 'thumbnail',
+ 'include' => '',
+ 'exclude' => '',
+ 'link' => ''
+ ), $attr, 'gallery' );
+
+ $id = intval( $atts['id'] );
+
+ if ( ! empty( $atts['include'] ) ) {
+ $_attachments = get_posts( array( 'include' => $atts['include'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+
+ $attachments = array();
+ foreach ( $_attachments as $key => $val ) {
+ $attachments[$val->ID] = $_attachments[$key];
+ }
+ } elseif ( ! empty( $atts['exclude'] ) ) {
+ $attachments = get_children( array( 'post_parent' => $id, 'exclude' => $atts['exclude'], 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+ } else {
+ $attachments = get_children( array( 'post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => $atts['order'], 'orderby' => $atts['orderby'] ) );
+ }
+
+ if ( empty( $attachments ) ) {
+ return '';
+ }
+
+ if ( is_feed() ) {
+ $output = "\n";
+ foreach ( $attachments as $att_id => $attachment ) {
+ $output .= wp_get_attachment_link( $att_id, $atts['size'], true ) . "\n";
+ }
+ return $output;
+ }
+
+ $itemtag = tag_escape( $atts['itemtag'] );
+ $captiontag = tag_escape( $atts['captiontag'] );
+ $icontag = tag_escape( $atts['icontag'] );
+ $valid_tags = wp_kses_allowed_html( 'post' );
+ if ( ! isset( $valid_tags[ $itemtag ] ) ) {
+ $itemtag = 'dl';
+ }
+ if ( ! isset( $valid_tags[ $captiontag ] ) ) {
+ $captiontag = 'dd';
+ }
+ if ( ! isset( $valid_tags[ $icontag ] ) ) {
+ $icontag = 'dt';
+ }
+
+ $columns = intval( $atts['columns'] );
+ $itemwidth = $columns > 0 ? floor(100/$columns) : 100;
+ $float = is_rtl() ? 'right' : 'left';
+
+ $selector = "gallery-{$instance}";
+
+ $gallery_style = '';
+
+ /**
+ * Filter whether to print default gallery styles.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $print Whether to print default gallery styles.
+ * Defaults to false if the theme supports HTML5 galleries.
+ * Otherwise, defaults to true.
+ */
+ if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
+ $gallery_style = "
+ <style type='text/css'>
+ #{$selector} {
+ margin: auto;
+ }
+ #{$selector} .gallery-item {
+ float: {$float};
+ margin-top: 10px;
+ text-align: center;
+ width: {$itemwidth}%;
+ }
+ #{$selector} img {
+ border: 2px solid #cfcfcf;
+ }
+ #{$selector} .gallery-caption {
+ margin-left: 0;
+ }
+ /* see gallery_shortcode() in wp-includes/media.php */
+ </style>\n\t\t";
+ }
+
+ $size_class = sanitize_html_class( $atts['size'] );
+ $gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
+
+ /**
+ * Filter the default gallery shortcode CSS styles.
+ *
+ * @since 2.5.0
+ *
+ * @param string $gallery_style Default CSS styles and opening HTML div container
+ * for the gallery shortcode output.
+ */
+ $output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );
+
+ $i = 0;
+ foreach ( $attachments as $id => $attachment ) {
+
+ $attr = ( trim( $attachment->post_excerpt ) ) ? array( 'aria-describedby' => "$selector-$id" ) : '';
+ if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) {
+ $image_output = wp_get_attachment_link( $id, $atts['size'], false, false, false, $attr );
+ } elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
+ $image_output = wp_get_attachment_image( $id, $atts['size'], false, $attr );
+ } else {
+ $image_output = wp_get_attachment_link( $id, $atts['size'], true, false, false, $attr );
+ }
+ $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 {$orientation}'>
+ $image_output
+ </{$icontag}>";
+ if ( $captiontag && trim($attachment->post_excerpt) ) {
+ $output .= "
+ <{$captiontag} class='wp-caption-text gallery-caption' id='$selector-$id'>
+ " . wptexturize($attachment->post_excerpt) . "
+ </{$captiontag}>";
+ }
+ $output .= "</{$itemtag}>";
+ if ( ! $html5 && $columns > 0 && ++$i % $columns == 0 ) {
+ $output .= '<br style="clear: both" />';
+ }
+ }
+
+ if ( ! $html5 && $columns > 0 && $i % $columns !== 0 ) {
+ $output .= "
+ <br style='clear: both' />";
+ }
+
+ $output .= "
+ </div>\n";
+
+ return $output;
+}
+
+/**
+ * Outputs the templates used by playlists.
+ *
+ * @since 3.9.0
+ */
+function wp_underscore_playlist_templates() {
+?>
+<script type="text/html" id="tmpl-wp-playlist-current-item">
+ <# if ( data.image ) { #>
+ <img src="{{ data.thumb.src }}" alt="" />
+ <# } #>
+ <div class="wp-playlist-caption">
+ <span class="wp-playlist-item-meta wp-playlist-item-title"><?php
+ /* translators: playlist item title */
+ printf( _x( '“%s”', 'playlist item title' ), '{{ data.title }}' );
+ ?></span>
+ <# if ( data.meta.album ) { #><span class="wp-playlist-item-meta wp-playlist-item-album">{{ data.meta.album }}</span><# } #>
+ <# if ( data.meta.artist ) { #><span class="wp-playlist-item-meta wp-playlist-item-artist">{{ data.meta.artist }}</span><# } #>
+ </div>
+</script>
+<script type="text/html" id="tmpl-wp-playlist-item">
+ <div class="wp-playlist-item">
+ <a class="wp-playlist-caption" href="{{ data.src }}">
+ {{ data.index ? ( data.index + '. ' ) : '' }}
+ <# if ( data.caption ) { #>
+ {{ data.caption }}
+ <# } else { #>
+ <span class="wp-playlist-item-title"><?php
+ /* translators: playlist item title */
+ printf( _x( '“%s”', 'playlist item title' ), '{{{ data.title }}}' );
+ ?></span>
+ <# if ( data.artists && data.meta.artist ) { #>
+ <span class="wp-playlist-item-artist"> — {{ data.meta.artist }}</span>
+ <# } #>
+ <# } #>
+ </a>
+ <# if ( data.meta.length_formatted ) { #>
+ <div class="wp-playlist-item-length">{{ data.meta.length_formatted }}</div>
+ <# } #>
+ </div>
+</script>
+<?php
+}
+
+/**
+ * Outputs and enqueue default scripts and styles for playlists.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Type of playlist. Accepts 'audio' or 'video'.
+ */
+function wp_playlist_scripts( $type ) {
+ wp_enqueue_style( 'wp-mediaelement' );
+ wp_enqueue_script( 'wp-playlist' );
+?>
+<!--[if lt IE 9]><script>document.createElement('<?php echo esc_js( $type ) ?>');</script><![endif]-->
+<?php
+ add_action( 'wp_footer', 'wp_underscore_playlist_templates', 0 );
+ add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );
+}
+
+/**
+ * Builds the Playlist shortcode output.
+ *
+ * This implements the functionality of the playlist shortcode for displaying
+ * a collection of WordPress audio or video files in a post.
+ *
+ * @since 3.9.0
+ *
+ * @global int $content_width
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ * Array of default playlist attributes.
+ *
+ * @type string $type Type of playlist to display. Accepts 'audio' or 'video'. Default 'audio'.
+ * @type string $order Designates ascending or descending order of items in the playlist.
+ * Accepts 'ASC', 'DESC'. Default 'ASC'.
+ * @type string $orderby Any column, or columns, to sort the playlist. If $ids are
+ * passed, this defaults to the order of the $ids array ('post__in').
+ * Otherwise default is 'menu_order ID'.
+ * @type int $id If an explicit $ids array is not present, this parameter
+ * will determine which attachments are used for the playlist.
+ * Default is the current post ID.
+ * @type array $ids Create a playlist out of these explicit attachment IDs. If empty,
+ * a playlist will be created from all $type attachments of $id.
+ * Default empty.
+ * @type array $exclude List of specific attachment IDs to exclude from the playlist. Default empty.
+ * @type string $style Playlist style to use. Accepts 'light' or 'dark'. Default 'light'.
+ * @type bool $tracklist Whether to show or hide the playlist. Default true.
+ * @type bool $tracknumbers Whether to show or hide the numbers next to entries in the playlist. Default true.
+ * @type bool $images Show or hide the video or audio thumbnail (Featured Image/post
+ * thumbnail). Default true.
+ * @type bool $artists Whether to show or hide artist name in the playlist. Default true.
+ * }
+ *
+ * @return string Playlist output. Empty string if the passed type is unsupported.
+ */
+function wp_playlist_shortcode( $attr ) {
+ global $content_width;
+ $post = get_post();
+
+ static $instance = 0;
+ $instance++;
+
+ if ( ! empty( $attr['ids'] ) ) {
+ // 'ids' is explicitly ordered, unless you specify otherwise.
+ if ( empty( $attr['orderby'] ) ) {
+ $attr['orderby'] = 'post__in';
+ }
+ $attr['include'] = $attr['ids'];
+ }
+
+ /**
+ * Filter the playlist output.
+ *
+ * Passing a non-empty value to the filter will short-circuit generation
+ * of the default playlist output, returning the passed value instead.
+ *
+ * @since 3.9.0
+ * @since 4.2.0 The `$instance` parameter was added.
+ *
+ * @param string $output Playlist output. Default empty.
+ * @param array $attr An array of shortcode attributes.
+ * @param int $instance Unique numeric ID of this playlist shortcode instance.
+ */
+ $output = apply_filters( 'post_playlist', '', $attr, $instance );
+ if ( $output != '' ) {
+ return $output;
+ }
+
+ $atts = shortcode_atts( array(
+ 'type' => 'audio',
+ 'order' => 'ASC',
+ 'orderby' => 'menu_order ID',
+ 'id' => $post ? $post->ID : 0,
+ 'include' => '',
+ 'exclude' => '',
+ 'style' => 'light',
+ 'tracklist' => true,
+ 'tracknumbers' => true,
+ 'images' => true,
+ 'artists' => true
+ ), $attr, 'playlist' );
+
+ $id = intval( $atts['id'] );
+
+ if ( $atts['type'] !== 'audio' ) {
+ $atts['type'] = 'video';
+ }
+
+ $args = array(
+ 'post_status' => 'inherit',
+ 'post_type' => 'attachment',
+ 'post_mime_type' => $atts['type'],
+ 'order' => $atts['order'],
+ 'orderby' => $atts['orderby']
+ );
+
+ if ( ! empty( $atts['include'] ) ) {
+ $args['include'] = $atts['include'];
+ $_attachments = get_posts( $args );
+
+ $attachments = array();
+ foreach ( $_attachments as $key => $val ) {
+ $attachments[$val->ID] = $_attachments[$key];
+ }
+ } elseif ( ! empty( $atts['exclude'] ) ) {
+ $args['post_parent'] = $id;
+ $args['exclude'] = $atts['exclude'];
+ $attachments = get_children( $args );
+ } else {
+ $args['post_parent'] = $id;
+ $attachments = get_children( $args );
+ }
+
+ if ( empty( $attachments ) ) {
+ return '';
+ }
+
+ if ( is_feed() ) {
+ $output = "\n";
+ foreach ( $attachments as $att_id => $attachment ) {
+ $output .= wp_get_attachment_link( $att_id ) . "\n";
+ }
+ return $output;
+ }
+
+ $outer = 22; // default padding and border of wrapper
+
+ $default_width = 640;
+ $default_height = 360;
+
+ $theme_width = empty( $content_width ) ? $default_width : ( $content_width - $outer );
+ $theme_height = empty( $content_width ) ? $default_height : round( ( $default_height * $theme_width ) / $default_width );
+
+ $data = array(
+ 'type' => $atts['type'],
+ // don't pass strings to JSON, will be truthy in JS
+ 'tracklist' => wp_validate_boolean( $atts['tracklist'] ),
+ 'tracknumbers' => wp_validate_boolean( $atts['tracknumbers'] ),
+ 'images' => wp_validate_boolean( $atts['images'] ),
+ 'artists' => wp_validate_boolean( $atts['artists'] ),
+ );
+
+ $tracks = array();
+ foreach ( $attachments as $attachment ) {
+ $url = wp_get_attachment_url( $attachment->ID );
+ $ftype = wp_check_filetype( $url, wp_get_mime_types() );
+ $track = array(
+ 'src' => $url,
+ 'type' => $ftype['type'],
+ 'title' => $attachment->post_title,
+ 'caption' => $attachment->post_excerpt,
+ 'description' => $attachment->post_content
+ );
+
+ $track['meta'] = array();
+ $meta = wp_get_attachment_metadata( $attachment->ID );
+ if ( ! empty( $meta ) ) {
+
+ foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
+ if ( ! empty( $meta[ $key ] ) ) {
+ $track['meta'][ $key ] = $meta[ $key ];
+ }
+ }
+
+ if ( 'video' === $atts['type'] ) {
+ if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
+ $width = $meta['width'];
+ $height = $meta['height'];
+ $theme_height = round( ( $height * $theme_width ) / $width );
+ } else {
+ $width = $default_width;
+ $height = $default_height;
+ }
+
+ $track['dimensions'] = array(
+ 'original' => compact( 'width', 'height' ),
+ 'resized' => array(
+ 'width' => $theme_width,
+ 'height' => $theme_height
+ )
+ );
+ }
+ }
+
+ if ( $atts['images'] ) {
+ $thumb_id = get_post_thumbnail_id( $attachment->ID );
+ if ( ! empty( $thumb_id ) ) {
+ list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'full' );
+ $track['image'] = compact( 'src', 'width', 'height' );
+ list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'thumbnail' );
+ $track['thumb'] = compact( 'src', 'width', 'height' );
+ } else {
+ $src = wp_mime_type_icon( $attachment->ID );
+ $width = 48;
+ $height = 64;
+ $track['image'] = compact( 'src', 'width', 'height' );
+ $track['thumb'] = compact( 'src', 'width', 'height' );
+ }
+ }
+
+ $tracks[] = $track;
+ }
+ $data['tracks'] = $tracks;
+
+ $safe_type = esc_attr( $atts['type'] );
+ $safe_style = esc_attr( $atts['style'] );
+
+ ob_start();
+
+ if ( 1 === $instance ) {
+ /**
+ * Print and enqueue playlist scripts, styles, and JavaScript templates.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Type of playlist. Possible values are 'audio' or 'video'.
+ * @param string $style The 'theme' for the playlist. Core provides 'light' and 'dark'.
+ */
+ do_action( 'wp_playlist_scripts', $atts['type'], $atts['style'] );
+ } ?>
+<div class="wp-playlist wp-<?php echo $safe_type ?>-playlist wp-playlist-<?php echo $safe_style ?>">
+ <?php if ( 'audio' === $atts['type'] ): ?>
+ <div class="wp-playlist-current-item"></div>
+ <?php endif ?>
+ <<?php echo $safe_type ?> controls="controls" preload="none" width="<?php
+ echo (int) $theme_width;
+ ?>"<?php if ( 'video' === $safe_type ):
+ echo ' height="', (int) $theme_height, '"';
+ else:
+ echo ' style="visibility: hidden"';
+ endif; ?>></<?php echo $safe_type ?>>
+ <div class="wp-playlist-next"></div>
+ <div class="wp-playlist-prev"></div>
+ <noscript>
+ <ol><?php
+ foreach ( $attachments as $att_id => $attachment ) {
+ printf( '<li>%s</li>', wp_get_attachment_link( $att_id ) );
+ }
+ ?></ol>
+ </noscript>
+ <script type="application/json" class="wp-playlist-script"><?php echo wp_json_encode( $data ) ?></script>
+</div>
+ <?php
+ return ob_get_clean();
+}
+add_shortcode( 'playlist', 'wp_playlist_shortcode' );
+
+/**
+ * Provides a No-JS Flash fallback as a last resort for audio / video.
+ *
+ * @since 3.6.0
+ *
+ * @param string $url The media element URL.
+ * @return string Fallback HTML.
+ */
+function wp_mediaelement_fallback( $url ) {
+ /**
+ * Filter the Mediaelement fallback output for no-JS.
+ *
+ * @since 3.6.0
+ *
+ * @param string $output Fallback output for no-JS.
+ * @param string $url Media file URL.
+ */
+ return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );
+}
+
+/**
+ * Returns a filtered list of WP-supported audio formats.
+ *
+ * @since 3.6.0
+ *
+ * @return array Supported audio formats.
+ */
+function wp_get_audio_extensions() {
+ /**
+ * Filter the list of supported audio formats.
+ *
+ * @since 3.6.0
+ *
+ * @param array $extensions An array of support audio formats. Defaults are
+ * 'mp3', 'ogg', 'wma', 'm4a', 'wav'.
+ */
+ return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'wma', 'm4a', 'wav' ) );
+}
+
+/**
+ * Returns useful keys to use to lookup data from an attachment's stored metadata.
+ *
+ * @since 3.9.0
+ *
+ * @param WP_Post $attachment The current attachment, provided for context.
+ * @param string $context Optional. The context. Accepts 'edit', 'display'. Default 'display'.
+ * @return array Key/value pairs of field keys to labels.
+ */
+function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
+ $fields = array(
+ 'artist' => __( 'Artist' ),
+ 'album' => __( 'Album' ),
+ );
+
+ if ( 'display' === $context ) {
+ $fields['genre'] = __( 'Genre' );
+ $fields['year'] = __( 'Year' );
+ $fields['length_formatted'] = _x( 'Length', 'video or audio' );
+ } elseif ( 'js' === $context ) {
+ $fields['bitrate'] = __( 'Bitrate' );
+ $fields['bitrate_mode'] = __( 'Bitrate Mode' );
+ }
+
+ /**
+ * Filter the editable list of keys to look up data from an attachment's metadata.
+ *
+ * @since 3.9.0
+ *
+ * @param array $fields Key/value pairs of field keys to labels.
+ * @param WP_Post $attachment Attachment object.
+ * @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
+ */
+ return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
+}
+/**
+ * Builds the Audio shortcode output.
+ *
+ * This implements the functionality of the Audio Shortcode for displaying
+ * WordPress mp3s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ * Attributes of the audio shortcode.
+ *
+ * @type string $src URL to the source of the audio file. Default empty.
+ * @type string $loop The 'loop' attribute for the `<audio>` element. Default empty.
+ * @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
+ * @type string $preload The 'preload' attribute for the `<audio>` element. Default 'none'.
+ * @type string $class The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
+ * @type string $style The 'style' attribute for the `<audio>` element. Default 'width: 100%; visibility: hidden;'.
+ * }
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display audio.
+ */
+function wp_audio_shortcode( $attr, $content = '' ) {
+ $post_id = get_post() ? get_the_ID() : 0;
+
+ static $instance = 0;
+ $instance++;
+
+ /**
+ * Filter the default audio shortcode output.
+ *
+ * If the filtered output isn't empty, it will be used instead of generating the default audio template.
+ *
+ * @since 3.6.0
+ *
+ * @param string $html Empty variable to be replaced with shortcode markup.
+ * @param array $attr Attributes of the shortcode. @see wp_audio_shortcode()
+ * @param string $content Shortcode content.
+ * @param int $instance Unique numeric ID of this audio shortcode instance.
+ */
+ $override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instance );
+ if ( '' !== $override ) {
+ return $override;
+ }
+
+ $audio = null;
+
+ $default_types = wp_get_audio_extensions();
+ $defaults_atts = array(
+ 'src' => '',
+ 'loop' => '',
+ 'autoplay' => '',
+ 'preload' => 'none',
+ 'class' => 'wp-audio-shortcode',
+ 'style' => 'width: 100%; visibility: hidden;'
+ );
+ foreach ( $default_types as $type ) {
+ $defaults_atts[$type] = '';
+ }
+
+ $atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
+
+ $primary = false;
+ if ( ! empty( $atts['src'] ) ) {
+ $type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
+ if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
+ return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
+ }
+ $primary = true;
+ array_unshift( $default_types, 'src' );
+ } else {
+ foreach ( $default_types as $ext ) {
+ if ( ! empty( $atts[ $ext ] ) ) {
+ $type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
+ if ( strtolower( $type['ext'] ) === $ext ) {
+ $primary = true;
+ }
+ }
+ }
+ }
+
+ if ( ! $primary ) {
+ $audios = get_attached_media( 'audio', $post_id );
+ if ( empty( $audios ) ) {
+ return;
+ }
+
+ $audio = reset( $audios );
+ $atts['src'] = wp_get_attachment_url( $audio->ID );
+ if ( empty( $atts['src'] ) ) {
+ return;
+ }
+
+ array_unshift( $default_types, 'src' );
+ }
+
+ /**
+ * Filter the media library used for the audio shortcode.
+ *
+ * @since 3.6.0
+ *
+ * @param string $library Media library used for the audio shortcode.
+ */
+ $library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
+ if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+ wp_enqueue_style( 'wp-mediaelement' );
+ wp_enqueue_script( 'wp-mediaelement' );
+ }
+
+ /**
+ * Filter the class attribute for the audio shortcode output container.
+ *
+ * @since 3.6.0
+ *
+ * @param string $class CSS class or list of space-separated classes.
+ */
+ $atts['class'] = apply_filters( 'wp_audio_shortcode_class', $atts['class'] );
+
+ $html_atts = array(
+ 'class' => $atts['class'],
+ 'id' => sprintf( 'audio-%d-%d', $post_id, $instance ),
+ 'loop' => wp_validate_boolean( $atts['loop'] ),
+ 'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
+ 'preload' => $atts['preload'],
+ 'style' => $atts['style'],
+ );
+
+ // These ones should just be omitted altogether if they are blank
+ foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
+ if ( empty( $html_atts[$a] ) ) {
+ unset( $html_atts[$a] );
+ }
+ }
+
+ $attr_strings = array();
+ foreach ( $html_atts as $k => $v ) {
+ $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+ }
+
+ $html = '';
+ if ( 'mediaelement' === $library && 1 === $instance ) {
+ $html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
+ }
+ $html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
+
+ $fileurl = '';
+ $source = '<source type="%s" src="%s" />';
+ foreach ( $default_types as $fallback ) {
+ if ( ! empty( $atts[ $fallback ] ) ) {
+ if ( empty( $fileurl ) ) {
+ $fileurl = $atts[ $fallback ];
+ }
+ $type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
+ $url = add_query_arg( '_', $instance, $atts[ $fallback ] );
+ $html .= sprintf( $source, $type['type'], esc_url( $url ) );
+ }
+ }
+
+ if ( 'mediaelement' === $library ) {
+ $html .= wp_mediaelement_fallback( $fileurl );
+ }
+ $html .= '</audio>';
+
+ /**
+ * Filter the audio shortcode output.
+ *
+ * @since 3.6.0
+ *
+ * @param string $html Audio shortcode HTML output.
+ * @param array $atts Array of audio shortcode attributes.
+ * @param string $audio Audio file.
+ * @param int $post_id Post ID.
+ * @param string $library Media library used for the audio shortcode.
+ */
+ return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
+}
+add_shortcode( 'audio', 'wp_audio_shortcode' );
+
+/**
+ * Returns a filtered list of WP-supported video formats.
+ *
+ * @since 3.6.0
+ *
+ * @return array List of supported video formats.
+ */
+function wp_get_video_extensions() {
+ /**
+ * Filter the list of supported video formats.
+ *
+ * @since 3.6.0
+ *
+ * @param array $extensions An array of support video formats. Defaults are
+ * 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv'.
+ */
+ return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'wmv', 'flv' ) );
+}
+
+/**
+ * Builds the Video shortcode output.
+ *
+ * This implements the functionality of the Video Shortcode for displaying
+ * WordPress mp4s in a post.
+ *
+ * @since 3.6.0
+ *
+ * @global int $content_width
+ * @staticvar int $instance
+ *
+ * @param array $attr {
+ * Attributes of the shortcode.
+ *
+ * @type string $src URL to the source of the video file. Default empty.
+ * @type int $height Height of the video embed in pixels. Default 360.
+ * @type int $width Width of the video embed in pixels. Default $content_width or 640.
+ * @type string $poster The 'poster' attribute for the `<video>` element. Default empty.
+ * @type string $loop The 'loop' attribute for the `<video>` element. Default empty.
+ * @type string $autoplay The 'autoplay' attribute for the `<video>` element. Default empty.
+ * @type string $preload The 'preload' attribute for the `<video>` element.
+ * Default 'metadata'.
+ * @type string $class The 'class' attribute for the `<video>` element.
+ * Default 'wp-video-shortcode'.
+ * }
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display video.
+ */
+function wp_video_shortcode( $attr, $content = '' ) {
+ global $content_width;
+ $post_id = get_post() ? get_the_ID() : 0;
+
+ static $instance = 0;
+ $instance++;
+
+ /**
+ * Filter the default video shortcode output.
+ *
+ * If the filtered output isn't empty, it will be used instead of generating
+ * the default video template.
+ *
+ * @since 3.6.0
+ *
+ * @see wp_video_shortcode()
+ *
+ * @param string $html Empty variable to be replaced with shortcode markup.
+ * @param array $attr Attributes of the video shortcode.
+ * @param string $content Video shortcode content.
+ * @param int $instance Unique numeric ID of this video shortcode instance.
+ */
+ $override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instance );
+ if ( '' !== $override ) {
+ return $override;
+ }
+
+ $video = null;
+
+ $default_types = wp_get_video_extensions();
+ $defaults_atts = array(
+ 'src' => '',
+ 'poster' => '',
+ 'loop' => '',
+ 'autoplay' => '',
+ 'preload' => 'metadata',
+ 'width' => 640,
+ 'height' => 360,
+ 'class' => 'wp-video-shortcode',
+ );
+
+ foreach ( $default_types as $type ) {
+ $defaults_atts[$type] = '';
+ }
+
+ $atts = shortcode_atts( $defaults_atts, $attr, 'video' );
+
+ if ( is_admin() ) {
+ // shrink the video so it isn't huge in the admin
+ if ( $atts['width'] > $defaults_atts['width'] ) {
+ $atts['height'] = round( ( $atts['height'] * $defaults_atts['width'] ) / $atts['width'] );
+ $atts['width'] = $defaults_atts['width'];
+ }
+ } else {
+ // if the video is bigger than the theme
+ if ( ! empty( $content_width ) && $atts['width'] > $content_width ) {
+ $atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] );
+ $atts['width'] = $content_width;
+ }
+ }
+
+ $is_vimeo = $is_youtube = false;
+ $yt_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
+ $vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';
+
+ $primary = false;
+ if ( ! empty( $atts['src'] ) ) {
+ $is_vimeo = ( preg_match( $vimeo_pattern, $atts['src'] ) );
+ $is_youtube = ( preg_match( $yt_pattern, $atts['src'] ) );
+ if ( ! $is_youtube && ! $is_vimeo ) {
+ $type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
+ if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
+ return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
+ }
+ }
+
+ if ( $is_vimeo ) {
+ wp_enqueue_script( 'froogaloop' );
+ }
+
+ $primary = true;
+ array_unshift( $default_types, 'src' );
+ } else {
+ foreach ( $default_types as $ext ) {
+ if ( ! empty( $atts[ $ext ] ) ) {
+ $type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
+ if ( strtolower( $type['ext'] ) === $ext ) {
+ $primary = true;
+ }
+ }
+ }
+ }
+
+ if ( ! $primary ) {
+ $videos = get_attached_media( 'video', $post_id );
+ if ( empty( $videos ) ) {
+ return;
+ }
+
+ $video = reset( $videos );
+ $atts['src'] = wp_get_attachment_url( $video->ID );
+ if ( empty( $atts['src'] ) ) {
+ return;
+ }
+
+ array_unshift( $default_types, 'src' );
+ }
+
+ /**
+ * Filter the media library used for the video shortcode.
+ *
+ * @since 3.6.0
+ *
+ * @param string $library Media library used for the video shortcode.
+ */
+ $library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
+ if ( 'mediaelement' === $library && did_action( 'init' ) ) {
+ wp_enqueue_style( 'wp-mediaelement' );
+ wp_enqueue_script( 'wp-mediaelement' );
+ }
+
+ /**
+ * Filter the class attribute for the video shortcode output container.
+ *
+ * @since 3.6.0
+ *
+ * @param string $class CSS class or list of space-separated classes.
+ */
+ $atts['class'] = apply_filters( 'wp_video_shortcode_class', $atts['class'] );
+
+ $html_atts = array(
+ 'class' => $atts['class'],
+ 'id' => sprintf( 'video-%d-%d', $post_id, $instance ),
+ 'width' => absint( $atts['width'] ),
+ 'height' => absint( $atts['height'] ),
+ 'poster' => esc_url( $atts['poster'] ),
+ 'loop' => wp_validate_boolean( $atts['loop'] ),
+ 'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
+ 'preload' => $atts['preload'],
+ );
+
+ // These ones should just be omitted altogether if they are blank
+ foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
+ if ( empty( $html_atts[$a] ) ) {
+ unset( $html_atts[$a] );
+ }
+ }
+
+ $attr_strings = array();
+ foreach ( $html_atts as $k => $v ) {
+ $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
+ }
+
+ $html = '';
+ if ( 'mediaelement' === $library && 1 === $instance ) {
+ $html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
+ }
+ $html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
+
+ $fileurl = '';
+ $source = '<source type="%s" src="%s" />';
+ foreach ( $default_types as $fallback ) {
+ if ( ! empty( $atts[ $fallback ] ) ) {
+ if ( empty( $fileurl ) ) {
+ $fileurl = $atts[ $fallback ];
+ }
+ if ( 'src' === $fallback && $is_youtube ) {
+ $type = array( 'type' => 'video/youtube' );
+ } elseif ( 'src' === $fallback && $is_vimeo ) {
+ $type = array( 'type' => 'video/vimeo' );
+ } else {
+ $type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
+ }
+ $url = add_query_arg( '_', $instance, $atts[ $fallback ] );
+ $html .= sprintf( $source, $type['type'], esc_url( $url ) );
+ }
+ }
+
+ if ( ! empty( $content ) ) {
+ if ( false !== strpos( $content, "\n" ) ) {
+ $content = str_replace( array( "\r\n", "\n", "\t" ), '', $content );
+ }
+ $html .= trim( $content );
+ }
+
+ if ( 'mediaelement' === $library ) {
+ $html .= wp_mediaelement_fallback( $fileurl );
+ }
+ $html .= '</video>';
+
+ $width_rule = '';
+ if ( ! empty( $atts['width'] ) ) {
+ $width_rule = sprintf( 'width: %dpx; ', $atts['width'] );
+ }
+ $output = sprintf( '<div style="%s" class="wp-video">%s</div>', $width_rule, $html );
+
+ /**
+ * Filter the output of the video shortcode.
+ *
+ * @since 3.6.0
+ *
+ * @param string $output Video shortcode HTML output.
+ * @param array $atts Array of video shortcode attributes.
+ * @param string $video Video file.
+ * @param int $post_id Post ID.
+ * @param string $library Media library used for the video shortcode.
+ */
+ return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library );
+}
+add_shortcode( 'video', 'wp_video_shortcode' );
+
+/**
+ * Displays previous image link that has the same post parent.
+ *
+ * @since 2.5.0
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
+ * height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
+ * default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string $text Optional. Link text. Default false.
+ */
+function previous_image_link( $size = 'thumbnail', $text = false ) {
+ adjacent_image_link(true, $size, $text);
+}
+
+/**
+ * Displays next image link that has the same post parent.
+ *
+ * @since 2.5.0
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
+ * height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
+ * default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string $text Optional. Link text. Default false.
+ */
+function next_image_link( $size = 'thumbnail', $text = false ) {
+ adjacent_image_link(false, $size, $text);
+}
+
+/**
+ * Displays next or previous image link that has the same post parent.
+ *
+ * Retrieves the current attachment object from the $post global.
+ *
+ * @since 2.5.0
+ *
+ * @param bool $prev Optional. Whether to display the next (false) or previous (true) link. Default true.
+ * @param string|array $size Optional. Image size. Accepts any valid image size, or an array of width and height
+ * values in pixels (in that order). Default 'thumbnail'.
+ * @param bool $text Optional. Link text. Default false.
+ */
+function adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) {
+ $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 ) {
+ break;
+ }
+ }
+
+ $output = '';
+ $attachment_id = 0;
+
+ if ( $attachments ) {
+ $k = $prev ? $k - 1 : $k + 1;
+
+ if ( isset( $attachments[ $k ] ) ) {
+ $attachment_id = $attachments[ $k ]->ID;
+ $output = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
+ }
+ }
+
+ $adjacent = $prev ? 'previous' : 'next';
+
+ /**
+ * Filter the adjacent image link.
+ *
+ * The dynamic portion of the hook name, `$adjacent`, refers to the type of adjacency,
+ * either 'next', or 'previous'.
+ *
+ * @since 3.5.0
+ *
+ * @param string $output Adjacent image HTML markup.
+ * @param int $attachment_id Attachment ID
+ * @param string $size Image size.
+ * @param string $text Link text.
+ */
+ echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
+}
+
+/**
+ * Retrieves taxonomies attached to given the attachment.
+ *
+ * @since 2.5.0
+ *
+ * @param int|array|object $attachment Attachment ID, data array, or data object.
+ * @return array Empty array on failure. List of taxonomies on success.
+ */
+function get_attachment_taxonomies( $attachment ) {
+ if ( is_int( $attachment ) ) {
+ $attachment = get_post( $attachment );
+ } elseif ( is_array( $attachment ) ) {
+ $attachment = (object) $attachment;
+ }
+ if ( ! is_object($attachment) )
+ return array();
+
+ $file = get_attached_file( $attachment->ID );
+ $filename = basename( $file );
+
+ $objects = array('attachment');
+
+ if ( false !== strpos($filename, '.') )
+ $objects[] = 'attachment:' . substr($filename, strrpos($filename, '.') + 1);
+ if ( !empty($attachment->post_mime_type) ) {
+ $objects[] = 'attachment:' . $attachment->post_mime_type;
+ if ( false !== strpos($attachment->post_mime_type, '/') )
+ foreach ( explode('/', $attachment->post_mime_type) as $token )
+ if ( !empty($token) )
+ $objects[] = "attachment:$token";
+ }
+
+ $taxonomies = array();
+ foreach ( $objects as $object )
+ if ( $taxes = get_object_taxonomies($object) )
+ $taxonomies = array_merge($taxonomies, $taxes);
+
+ return array_unique($taxonomies);
+}
+
+/**
+ * Retrieves all of the taxonomy names that are registered for attachments.
+ *
+ * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
+ *
+ * @since 3.5.0
+ *
+ * @see get_taxonomies()
+ *
+ * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'.
+ * Default 'names'.
+ * @return array The names of all taxonomy of $object_type.
+ */
+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 $taxonomies;
+}
+
+/**
+ * Create new GD image resource with transparency support
+ *
+ * @todo: Deprecate if possible.
+ *
+ * @since 2.9.0
+ *
+ * @param int $width Image width in pixels.
+ * @param int $height Image height in pixels..
+ * @return resource The GD image resource.
+ */
+function wp_imagecreatetruecolor($width, $height) {
+ $img = imagecreatetruecolor($width, $height);
+ if ( is_resource($img) && function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
+ imagealphablending($img, false);
+ imagesavealpha($img, true);
+ }
+ return $img;
+}
+
+/**
+ * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
+ *
+ * @since 2.9.0
+ *
+ * @see wp_constrain_dimensions()
+ *
+ * @param int $example_width The width of an example embed.
+ * @param int $example_height The height of an example embed.
+ * @param int $max_width The maximum allowed width.
+ * @param int $max_height The maximum allowed height.
+ * @return array The maximum possible width and height based on the example ratio.
+ */
+function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
+ $example_width = (int) $example_width;
+ $example_height = (int) $example_height;
+ $max_width = (int) $max_width;
+ $max_height = (int) $max_height;
+
+ return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
+}
+
+/**
+ * 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 ) * KB_IN_BYTES;
+ elseif ( strpos( $size, 'm' ) !== false )
+ $bytes = intval($size) * MB_IN_BYTES;
+ elseif ( strpos( $size, 'g' ) !== false )
+ $bytes = intval( $size ) * GB_IN_BYTES;
+ return $bytes;
+}
+
+/**
+ * Determines 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' ) );
+
+ /**
+ * Filter the maximum upload size allowed in php.ini.
+ *
+ * @since 2.5.0
+ *
+ * @param int $size Max upload size limit in bytes.
+ * @param int $u_bytes Maximum upload filesize in bytes.
+ * @param int $p_bytes Maximum size of POST data in bytes.
+ */
+ return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
+}
+
+/**
+ * Returns a WP_Image_Editor instance and loads file into it.
+ *
+ * @since 3.5.0
+ *
+ * @param string $path Path to the file to load.
+ * @param array $args Optional. Additional arguments for retrieving the image editor.
+ * Default empty array.
+ * @return WP_Image_Editor|WP_Error The WP_Image_Editor object if successful, an WP_Error
+ * object otherwise.
+ */
+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
+ *
+ * @param string|array $args Optional. Array of arguments to retrieve the image editor supports.
+ * Default empty array.
+ * @return bool 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.
+ *
+ * @ignore
+ * @since 3.5.0
+ *
+ * @param array $args Optional. Array of arguments for choosing a capable editor. Default empty array.
+ * @return string|false 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';
+
+ /**
+ * Filter the list of image editing library classes.
+ *
+ * @since 3.5.0
+ *
+ * @param array $image_editors List of available image editors. Defaults are
+ * 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
+ */
+ $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() {
+ $wp_scripts = 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,flash,silverlight,html4',
+ 'file_data_name' => 'async-upload', // key passed to $_FILE.
+ '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(
+ 'max_file_size' => $max_upload_size . 'b',
+ ),
+ );
+
+ // Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
+ // when enabled. See #29602.
+ if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
+ strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
+
+ $defaults['multi_selection'] = false;
+ }
+
+ /**
+ * Filter the Plupload default settings.
+ *
+ * @since 3.4.0
+ *
+ * @param array $defaults Default Plupload settings array.
+ */
+ $defaults = apply_filters( 'plupload_default_settings', $defaults );
+
+ $params = array(
+ 'action' => 'upload-attachment',
+ );
+
+ /**
+ * Filter the Plupload default parameters.
+ *
+ * @since 3.4.0
+ *
+ * @param array $params Default Plupload parameters array.
+ */
+ $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 = ' . wp_json_encode( $settings ) . ';';
+
+ if ( $data )
+ $script = "$data\n$script";
+
+ $wp_scripts->add_data( 'wp-plupload', 'data', $script );
+}
+
+/**
+ * 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|void 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( get_attached_file( $attachment->ID ) ),
+ '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( __( 'F j, Y' ), $attachment->post_date ),
+ 'nonces' => array(
+ 'update' => false,
+ 'delete' => false,
+ 'edit' => false
+ ),
+ 'editLink' => false,
+ 'meta' => false,
+ );
+
+ $author = new WP_User( $attachment->post_author );
+ $response['authorName'] = $author->display_name;
+
+ if ( $attachment->post_parent ) {
+ $post_parent = get_post( $attachment->post_parent );
+ } else {
+ $post_parent = false;
+ }
+
+ if ( $post_parent ) {
+ $parent_type = get_post_type_object( $post_parent->post_type );
+ if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {
+ $response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );
+ }
+ $response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
+ }
+
+ $attached_file = get_attached_file( $attachment->ID );
+
+ if ( isset( $meta['filesize'] ) ) {
+ $bytes = $meta['filesize'];
+ } elseif ( file_exists( $attached_file ) ) {
+ $bytes = filesize( $attached_file );
+ } else {
+ $bytes = '';
+ }
+
+ if ( $bytes ) {
+ $response['filesizeInBytes'] = $bytes;
+ $response['filesizeHumanReadable'] = size_format( $bytes );
+ }
+
+ if ( current_user_can( 'edit_post', $attachment->ID ) ) {
+ $response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
+ $response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $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();
+
+ /** This filter is documented in wp-admin/includes/media.php */
+ $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 ) {
+
+ /** This filter is documented in wp-includes/media.php */
+ 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'];
+
+ $response['meta'] = array();
+ foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
+ $response['meta'][ $key ] = false;
+
+ if ( ! empty( $meta[ $key ] ) ) {
+ $response['meta'][ $key ] = $meta[ $key ];
+ }
+ }
+
+ $id = get_post_thumbnail_id( $attachment->ID );
+ if ( ! empty( $id ) ) {
+ list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
+ $response['image'] = compact( 'src', 'width', 'height' );
+ list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
+ $response['thumb'] = compact( 'src', 'width', 'height' );
+ } else {
+ $src = wp_mime_type_icon( $attachment->ID );
+ $width = 48;
+ $height = 64;
+ $response['image'] = compact( 'src', 'width', 'height' );
+ $response['thumb'] = compact( 'src', 'width', 'height' );
+ }
+ }
+
+ if ( function_exists('get_compat_media_markup') )
+ $response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
+
+ /**
+ * Filter the attachment data prepared for JavaScript.
+ *
+ * @since 3.5.0
+ *
+ * @param array $response Array of prepared attachment data.
+ * @param int|object $attachment Attachment ID or object.
+ * @param array $meta Array of attachment meta data.
+ */
+ 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
+ *
+ * @global int $content_width
+ * @global wpdb $wpdb
+ * @global WP_Locale $wp_locale
+ *
+ * @param array $args {
+ * Arguments for enqueuing media scripts.
+ *
+ * @type int|WP_Post A post object or ID.
+ * }
+ */
+function wp_enqueue_media( $args = array() ) {
+ // Enqueue me just once per page, please.
+ if ( did_action( 'wp_enqueue_media' ) )
+ return;
+
+ global $content_width, $wpdb, $wp_locale;
+
+ $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' => '',
+ );
+
+ /** This filter is documented in wp-admin/includes/media.php */
+ $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
+ );
+
+ $exts = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
+ $mimes = get_allowed_mime_types();
+ $ext_mimes = array();
+ foreach ( $exts as $ext ) {
+ foreach ( $mimes as $ext_preg => $mime_match ) {
+ if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
+ $ext_mimes[ $ext ] = $mime_match;
+ break;
+ }
+ }
+ }
+
+ $has_audio = $wpdb->get_var( "
+ SELECT ID
+ FROM $wpdb->posts
+ WHERE post_type = 'attachment'
+ AND post_mime_type LIKE 'audio%'
+ LIMIT 1
+ " );
+ $has_video = $wpdb->get_var( "
+ SELECT ID
+ FROM $wpdb->posts
+ WHERE post_type = 'attachment'
+ AND post_mime_type LIKE 'video%'
+ LIMIT 1
+ " );
+ $months = $wpdb->get_results( $wpdb->prepare( "
+ SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
+ FROM $wpdb->posts
+ WHERE post_type = %s
+ ORDER BY post_date DESC
+ ", 'attachment' ) );
+ foreach ( $months as $month_year ) {
+ $month_year->text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month_year->month ), $month_year->year );
+ }
+
+ $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 ),
+ /** This filter is documented in wp-admin/includes/media.php */
+ 'captions' => ! apply_filters( 'disable_captions', '' ),
+ 'nonce' => array(
+ 'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
+ ),
+ 'post' => array(
+ 'id' => 0,
+ ),
+ 'defaultProps' => $props,
+ 'attachmentCounts' => array(
+ 'audio' => ( $has_audio ) ? 1 : 0,
+ 'video' => ( $has_video ) ? 1 : 0
+ ),
+ 'embedExts' => $exts,
+ 'embedMimes' => $ext_mimes,
+ 'contentWidth' => $content_width,
+ 'months' => $months,
+ 'mediaTrash' => MEDIA_TRASH ? 1 : 0
+ );
+
+ $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 ),
+ );
+
+ $thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
+ if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
+ if ( wp_attachment_is( 'audio', $post ) ) {
+ $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+ } elseif ( wp_attachment_is( 'video', $post ) ) {
+ $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+ }
+ }
+
+ if ( $thumbnail_support ) {
+ $featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true );
+ $settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
+ }
+ }
+
+ if ( $post ) {
+ $post_type_object = get_post_type_object( $post->post_type );
+ } else {
+ $post_type_object = get_post_type_object( 'post' );
+ }
+
+ $strings = array(
+ // Generic
+ 'url' => __( 'URL' ),
+ 'addMedia' => __( 'Add Media' ),
+ 'search' => __( 'Search' ),
+ 'select' => __( 'Select' ),
+ 'cancel' => __( 'Cancel' ),
+ 'update' => __( 'Update' ),
+ 'replace' => __( 'Replace' ),
+ 'remove' => __( 'Remove' ),
+ 'back' => __( 'Back' ),
+ /* 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 media files.' ),
+
+ // Upload
+ 'uploadFilesTitle' => __( 'Upload Files' ),
+ 'uploadImagesTitle' => __( 'Upload Images' ),
+
+ // Library
+ 'mediaLibraryTitle' => __( 'Media Library' ),
+ 'insertMediaTitle' => __( 'Insert Media' ),
+ 'createNewGallery' => __( 'Create a new gallery' ),
+ 'createNewPlaylist' => __( 'Create a new playlist' ),
+ 'createNewVideoPlaylist' => __( 'Create a new video playlist' ),
+ 'returnToLibrary' => __( '← Return to library' ),
+ 'allMediaItems' => __( 'All media items' ),
+ 'allDates' => __( 'All dates' ),
+ 'noItemsFound' => __( 'No items found.' ),
+ 'insertIntoPost' => $post_type_object->labels->insert_into_item,
+ 'unattached' => __( 'Unattached' ),
+ 'trash' => _x( 'Trash', 'noun' ),
+ 'uploadedToThisPost' => $post_type_object->labels->uploaded_to_this_item,
+ 'warnDelete' => __( "You are about to permanently delete this item.\n 'Cancel' to stop, 'OK' to delete." ),
+ 'warnBulkDelete' => __( "You are about to permanently delete these items.\n 'Cancel' to stop, 'OK' to delete." ),
+ 'warnBulkTrash' => __( "You are about to trash these items.\n 'Cancel' to stop, 'OK' to delete." ),
+ 'bulkSelect' => __( 'Bulk Select' ),
+ 'cancelSelection' => __( 'Cancel Selection' ),
+ 'trashSelected' => __( 'Trash Selected' ),
+ 'untrashSelected' => __( 'Untrash Selected' ),
+ 'deleteSelected' => __( 'Delete Selected' ),
+ 'deletePermanently' => __( 'Delete Permanently' ),
+ 'apply' => __( 'Apply' ),
+ 'filterByDate' => __( 'Filter by date' ),
+ 'filterByType' => __( 'Filter by type' ),
+ 'searchMediaLabel' => __( 'Search Media' ),
+ 'noMedia' => __( 'No media files found.' ),
+
+ // Library Details
+ 'attachmentDetails' => __( 'Attachment Details' ),
+
+ // From URL
+ 'insertFromUrlTitle' => __( 'Insert from URL' ),
+
+ // Featured Images
+ 'setFeaturedImageTitle' => $post_type_object->labels->featured_image,
+ 'setFeaturedImage' => $post_type_object->labels->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' ),
+
+ // Edit Image
+ 'imageDetailsTitle' => __( 'Image Details' ),
+ 'imageReplaceTitle' => __( 'Replace Image' ),
+ 'imageDetailsCancel' => __( 'Cancel Edit' ),
+ 'editImage' => __( 'Edit Image' ),
+
+ // Crop Image
+ 'chooseImage' => __( 'Choose Image' ),
+ 'selectAndCrop' => __( 'Select and Crop' ),
+ 'skipCropping' => __( 'Skip Cropping' ),
+ 'cropImage' => __( 'Crop Image' ),
+ 'cropYourImage' => __( 'Crop your image' ),
+ 'cropping' => __( 'Cropping…' ),
+ 'suggestedDimensions' => __( 'Suggested image dimensions:' ),
+ 'cropError' => __( 'There has been an error cropping your image.' ),
+
+ // Edit Audio
+ 'audioDetailsTitle' => __( 'Audio Details' ),
+ 'audioReplaceTitle' => __( 'Replace Audio' ),
+ 'audioAddSourceTitle' => __( 'Add Audio Source' ),
+ 'audioDetailsCancel' => __( 'Cancel Edit' ),
+
+ // Edit Video
+ 'videoDetailsTitle' => __( 'Video Details' ),
+ 'videoReplaceTitle' => __( 'Replace Video' ),
+ 'videoAddSourceTitle' => __( 'Add Video Source' ),
+ 'videoDetailsCancel' => __( 'Cancel Edit' ),
+ 'videoSelectPosterImageTitle' => __( 'Select Poster Image' ),
+ 'videoAddTrackTitle' => __( 'Add Subtitles' ),
+
+ // Playlist
+ 'playlistDragInfo' => __( 'Drag and drop to reorder tracks.' ),
+ 'createPlaylistTitle' => __( 'Create Audio Playlist' ),
+ 'editPlaylistTitle' => __( 'Edit Audio Playlist' ),
+ 'cancelPlaylistTitle' => __( '← Cancel Audio Playlist' ),
+ 'insertPlaylist' => __( 'Insert audio playlist' ),
+ 'updatePlaylist' => __( 'Update audio playlist' ),
+ 'addToPlaylist' => __( 'Add to audio playlist' ),
+ 'addToPlaylistTitle' => __( 'Add to Audio Playlist' ),
+
+ // Video Playlist
+ 'videoPlaylistDragInfo' => __( 'Drag and drop to reorder videos.' ),
+ 'createVideoPlaylistTitle' => __( 'Create Video Playlist' ),
+ 'editVideoPlaylistTitle' => __( 'Edit Video Playlist' ),
+ 'cancelVideoPlaylistTitle' => __( '← Cancel Video Playlist' ),
+ 'insertVideoPlaylist' => __( 'Insert video playlist' ),
+ 'updateVideoPlaylist' => __( 'Update video playlist' ),
+ 'addToVideoPlaylist' => __( 'Add to video playlist' ),
+ 'addToVideoPlaylistTitle' => __( 'Add to Video Playlist' ),
+ );
+
+ /**
+ * Filter the media view settings.
+ *
+ * @since 3.5.0
+ *
+ * @param array $settings List of media view settings.
+ * @param WP_Post $post Post object.
+ */
+ $settings = apply_filters( 'media_view_settings', $settings, $post );
+
+ /**
+ * Filter the media view strings.
+ *
+ * @since 3.5.0
+ *
+ * @param array $strings List of media view strings.
+ * @param WP_Post $post Post object.
+ */
+ $strings = apply_filters( 'media_view_strings', $strings, $post );
+
+ $strings['settings'] = $settings;
+
+ // Ensure we enqueue media-editor first, that way media-views is
+ // registered internally before we try to localize it. see #24724.
+ wp_enqueue_script( 'media-editor' );
+ wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
+
+ wp_enqueue_script( 'media-audiovideo' );
+ wp_enqueue_style( 'media-views' );
+ if ( is_admin() ) {
+ wp_enqueue_script( 'mce-view' );
+ wp_enqueue_script( 'image-edit' );
+ }
+ wp_enqueue_style( 'imgareaselect' );
+ 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' );
+ add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );
+
+ /**
+ * Fires at the conclusion of wp_enqueue_media().
+ *
+ * @since 3.5.0
+ */
+ do_action( 'wp_enqueue_media' );
+}
+
+/**
+ * Retrieves media attached to the passed post.
+ *
+ * @since 3.6.0
+ *
+ * @param string $type Mime type.
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @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',
+ );
+
+ /**
+ * Filter arguments used to retrieve media attached to the given post.
+ *
+ * @since 3.6.0
+ *
+ * @param array $args Post query arguments.
+ * @param string $type Mime type of the desired media.
+ * @param mixed $post Post ID or object.
+ */
+ $args = apply_filters( 'get_attached_media_args', $args, $type, $post );
+
+ $children = get_children( $args );
+
+ /**
+ * Filter the list of media attached to the given post.
+ *
+ * @since 3.6.0
+ *
+ * @param array $children Associative array of media attached to the given post.
+ * @param string $type Mime type of the media desired.
+ * @param mixed $post Post ID or object.
+ */
+ return (array) apply_filters( 'get_attached_media', $children, $type, $post );
+}
+
+/**
+ * Check the content blob for an audio, video, object, embed, or iframe tags.
+ *
+ * @since 3.6.0
+ *
+ * @param string $content A string which might contain media data.
+ * @param array $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.
+ * @return array A list of found HTML media embeds.
+ */
+function get_media_embedded_in_content( $content, $types = null ) {
+ $html = array();
+
+ /**
+ * Filter the embedded media types that are allowed to be returned from the content blob.
+ *
+ * @since 4.2.0
+ *
+ * @param array $allowed_media_types An array of allowed media types. Default media types are
+ * 'audio', 'video', 'object', 'embed', and 'iframe'.
+ */
+ $allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) );
+
+ if ( ! empty( $types ) ) {
+ if ( ! is_array( $types ) ) {
+ $types = array( $types );
+ }
+
+ $allowed_media_types = array_intersect( $allowed_media_types, $types );
+ }
+
+ $tags = implode( '|', $allowed_media_types );
+
+ if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
+ foreach ( $matches[0] as $match ) {
+ $html[] = $match;
+ }
+ }
+
+ return $html;
+}
+
+/**
+ * Retrieves galleries from the passed post's content.
+ *
+ * @since 3.6.0
+ *
+ * @param int|WP_Post $post Post ID or object.
+ * @param bool $html Optional. Whether to return HTML or data in the array. Default true.
+ * @return array A list of arrays, each containing gallery data and srcs parsed
+ * from the expanded shortcode.
+ */
+function get_post_galleries( $post, $html = true ) {
+ if ( ! $post = get_post( $post ) )
+ return array();
+
+ if ( ! has_shortcode( $post->post_content, 'gallery' ) )
+ return array();
+
+ $galleries = array();
+ if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
+ foreach ( $matches as $shortcode ) {
+ if ( 'gallery' === $shortcode[2] ) {
+ $srcs = array();
+
+ $gallery = do_shortcode_tag( $shortcode );
+ if ( $html ) {
+ $galleries[] = $gallery;
+ } else {
+ preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
+ if ( ! empty( $src ) ) {
+ foreach ( $src as $s )
+ $srcs[] = $s[2];
+ }
+
+ $data = shortcode_parse_atts( $shortcode[3] );
+ $data['src'] = array_values( array_unique( $srcs ) );
+ $galleries[] = $data;
+ }
+ }
+ }
+ }
+
+ /**
+ * Filter the list of all found galleries in the given post.
+ *
+ * @since 3.6.0
+ *
+ * @param array $galleries Associative array of all found post galleries.
+ * @param WP_Post $post Post object.
+ */
+ return apply_filters( 'get_post_galleries', $galleries, $post );
+}
+
+/**
+ * Check a specified post's content for gallery and, if present, return the first
+ *
+ * @since 3.6.0
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @param bool $html Optional. Whether to return HTML or data. Default is true.
+ * @return string|array Gallery data and srcs parsed from the expanded shortcode.
+ */
+function get_post_gallery( $post = 0, $html = true ) {
+ $galleries = get_post_galleries( $post, $html );
+ $gallery = reset( $galleries );
+
+ /**
+ * Filter the first-found post gallery.
+ *
+ * @since 3.6.0
+ *
+ * @param array $gallery The first-found post gallery.
+ * @param int|WP_Post $post Post ID or object.
+ * @param array $galleries Associative array of all found post galleries.
+ */
+ return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
+}
+
+/**
+ * Retrieve the image srcs from galleries from a post's content, if present
+ *
+ * @since 3.6.0
+ *
+ * @see get_post_galleries()
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return array A list of lists, each containing image srcs parsed.
+ * from an expanded shortcode
+ */
+function get_post_galleries_images( $post = 0 ) {
+ $galleries = get_post_galleries( $post, false );
+ return wp_list_pluck( $galleries, 'src' );
+}
+
+/**
+ * Checks a post's content for galleries and return the image srcs for the first found gallery
+ *
+ * @since 3.6.0
+ *
+ * @see get_post_gallery()
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
+ * @return array A list of a gallery's image srcs in order.
+ */
+function get_post_gallery_images( $post = 0 ) {
+ $gallery = get_post_gallery( $post, false );
+ return empty( $gallery['src'] ) ? array() : $gallery['src'];
+}
+
+/**
+ * Maybe attempts to generate attachment metadata, if missing.
+ *
+ * @since 3.9.0
+ *
+ * @param WP_Post $attachment Attachment object.
+ */
+function wp_maybe_generate_attachment_metadata( $attachment ) {
+ if ( empty( $attachment ) || ( empty( $attachment->ID ) || ! $attachment_id = (int) $attachment->ID ) ) {
+ return;
+ }
+
+ $file = get_attached_file( $attachment_id );
+ $meta = wp_get_attachment_metadata( $attachment_id );
+ if ( empty( $meta ) && file_exists( $file ) ) {
+ $_meta = get_post_meta( $attachment_id );
+ $regeneration_lock = 'wp_generating_att_' . $attachment_id;
+ if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $regeneration_lock ) ) {
+ set_transient( $regeneration_lock, $file );
+ wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
+ delete_transient( $regeneration_lock );
+ }
+ }
+}
+
+/**
+ * Tries to convert an attachment URL into a post ID.
+ *
+ * @since 4.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $url The URL to resolve.
+ * @return int The found post ID, or 0 on failure.
+ */
+function attachment_url_to_postid( $url ) {
+ global $wpdb;
+
+ $dir = wp_get_upload_dir();
+ $path = $url;
+
+ $site_url = parse_url( $dir['url'] );
+ $image_path = parse_url( $path );
+
+ //force the protocols to match if needed
+ if ( isset( $image_path['scheme'] ) && ( $image_path['scheme'] !== $site_url['scheme'] ) ) {
+ $path = str_replace( $image_path['scheme'], $site_url['scheme'], $path );
+ }
+
+ if ( 0 === strpos( $path, $dir['baseurl'] . '/' ) ) {
+ $path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
+ }
+
+ $sql = $wpdb->prepare(
+ "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
+ $path
+ );
+ $post_id = $wpdb->get_var( $sql );
+
+ /**
+ * Filter an attachment id found by URL.
+ *
+ * @since 4.2.0
+ *
+ * @param int|null $post_id The post_id (if any) found by the function.
+ * @param string $url The URL being looked up.
+ */
+ return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
+}
+
+/**
+ * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
+ *
+ * @since 4.0.0
+ *
+ * @global string $wp_version
+ *
+ * @return array The relevant CSS file URLs.
+ */
+function wpview_media_sandbox_styles() {
+ $version = 'ver=' . $GLOBALS['wp_version'];
+ $mediaelement = includes_url( "js/mediaelement/mediaelementplayer.min.css?$version" );
+ $wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" );
+
+ return array( $mediaelement, $wpmediaelement );
+}