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Source View: wp_get_attachment_thumb_file

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Line Code
3935      $post_id = (int) $post_id;
3936      if ( !$post =& get_post( $post_id ) )
3937           return false;
3938      if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) )
3939           return false;
3940
3941      $file = get_attached_file( $post->ID );
3942
3943      if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) )
3944           return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
3945      return false;
3946 }
3947
3948 /**
3949  * Retrieve URL for an attachment thumbnail.
3950  *
3951  * @since 2.1.0
3952  *
3953  * @param int $post_id Attachment ID