Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: attachment_max_dims

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
420      if ( !$post = & get_post($id) )
421           return false;
422
423      if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
424           return false;
425
426      list($src, $src_file) = $src;
427
428      // Do we need to constrain the image?
429      if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
430
431           $imagesize = getimagesize($src_file);
432
433           if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
434                $actual_aspect = $imagesize[0] / $imagesize[1];
435                $desired_aspect = $max_dims[0] / $max_dims[1];
436
437                if ( $actual_aspect >= $desired_aspect ) {
438                     $height = $actual_aspect * $max_dims[0];