* @copyright Copyright (c) 2008 - 2014, Justin Tadlock
* @link http://themehybrid.com/hybrid-core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
/**
* Checks if the current post has a mime type of 'audio'.
*
* @since 1.6.0
* @access public
* @param int $post_id
* @return bool
*/
function hybrid_attachment_is_audio( $post_id = 0 ) {
$post_id = empty( $post_id ) ? get_the_ID() : $post_id;
$mime_type = get_post_mime_type( $post_id );
list( $type, $subtype ) = false !== strpos( $mime_type, '/' ) ? explode( '/', $mime_type ) : array( $mime_type, '' );
return 'audio' === $type ? true : false;
}
/**
* Checks if the current post has a mime type of 'video'.
*
* @since 1.6.0
* @access public
* @param int $post_id
* @return bool
*/
function hybrid_attachment_is_video( $post_id = 0 ) {
$post_id = empty( $post_id ) ? get_the_ID() : $post_id;
$mime_type = get_post_mime_type( $post_id );
list( $type, $subtype ) = false !== strpos( $mime_type, '/' ) ? explode( '/', $mime_type ) : array( $mime_type, '' );
return 'video' === $type ? true : false;
}
/**
* Retrieves an attachment ID based on an attachment file URL.
*
* @copyright Pippin Williamson
* @license http://www.gnu.org/licenses/gpl-2.0.html
* @link http://pippinsplugins.com/retrieve-attachment-id-from-image-url/
*
* @since 2.0.0
* @access public
* @param string $url
* @return int
*/
function hybrid_get_attachment_id_from_url( $url ) {
global $wpdb;
$prefix = $wpdb->prefix;
$posts = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM " . $prefix . "posts" . " WHERE guid='%s';", $url ) );
return array_shift( $posts );
}
/**
* Returns a set of image attachment links based on size.
*
* @since 2.0.0
* @access public
* @return string
*/
function hybrid_get_image_size_links() {
/* If not viewing an image attachment page, return. */
if ( !wp_attachment_is_image( get_the_ID() ) )
return;
/* Set up an empty array for the links. */
$links = array();
/* Get the intermediate image sizes and add the full size to the array. */
$sizes = get_intermediate_image_sizes();
$sizes[] = 'full';
/* Loop through each of the image sizes. */
foreach ( $sizes as $size ) {
/* Get the image source, width, height, and whether it's intermediate. */
$image = wp_get_attachment_image_src( get_the_ID(), $size );
/* Add the link to the array if there's an image and if $is_intermediate (4th array value) is true or full size. */
if ( !empty( $image ) && ( true === $image[3] || 'full' == $size ) ) {
/* Translators: Media dimensions - 1 is width and 2 is height. */
$label = sprintf( __( '%1$s × %2$s', 'hybrid-core' ), number_format_i18n( absint( $image[1] ) ), number_format_i18n( absint( $image[2] ) ) );
$links[] = sprintf( '%s', $label );
}
}
/* Join the links in a string and return. */
return join( ' / ', $links );
}
/**
* Gets the "transcript" for an audio attachment. This is typically saved as "unsynchronised_lyric", which is
* the ID3 tag sanitized by WordPress.
*
* @since 2.0.0
* @access public
* @param int $post_id
* @return string
*/
function hybrid_get_audio_transcript( $post_id = 0 ) {
if ( empty( $post_id ) )
$post_id = get_the_ID();
/* Set up some default variables and get the image metadata. */
$lyrics = '';
$meta = wp_get_attachment_metadata( $post_id );
/* Look for the 'unsynchronised_lyric' tag. */
if ( isset( $meta['unsynchronised_lyric'] ) )
$lyrics = $meta['unsynchronised_lyric'];
/* Seen this misspelling of the id3 tag. */
elseif ( isset( $meta['unsychronised_lyric'] ) )
$lyrics = $meta['unsychronised_lyric'];
/* Apply filters for the transcript. */
return apply_filters( 'hybrid_audio_transcript', $lyrics );
}
/**
* Loads the correct function for handling attachments. Checks the attachment mime type to call
* correct function. Image attachments are not loaded with this function. The functionality for them
* should be handled by the theme's attachment or image attachment file.
*
* Ideally, all attachments would be appropriately handled within their templates. However, this could
* lead to messy template files.
*
* @since 0.5.0
* @access public
* @return void
*/
function hybrid_attachment() {
$file = wp_get_attachment_url();
$mime = get_post_mime_type();
$attachment = '';
$mime_type = false !== strpos( $mime, '/' ) ? explode( '/', $mime ) : array( $mime, '' );
/* Loop through each mime type. If a function exists for it, call it. Allow users to filter the display. */
foreach ( $mime_type as $type ) {
if ( function_exists( "hybrid_{$type}_attachment" ) )
$attachment = call_user_func( "hybrid_{$type}_attachment", $mime, $file );
$attachment = apply_filters( "hybrid_{$type}_attachment", $attachment );
}
echo apply_filters( 'hybrid_attachment', $attachment );
}
/**
* Handles application attachments on their attachment pages. Uses the