Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: wp_get_attachment_thumb_url

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
2744      $sized = image_downsize( $post_id, 'thumbnail' );
2745      if ( $sized )
2746           return $sized[0];
2747
2748      if ( !$thumb = wp_get_attachment_thumb_file( $post->ID ) )
2749           return false;
2750
2751      $url = str_replace(basename($url), basename($thumb), $url);
2752
2753      return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
2754 }
2755
2756 /**
2757  * Check if the attachment is an image.
2758  *
2759  * @since 2.1.0
2760  *
2761  * @param int $post_id Attachment ID
2762  * @return bool