Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: jpeg_quality

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
250
251           $image = apply_filters('image_save_pre', $image, $post_id);
252           $saved = apply_filters('wp_save_image_file', null, $filename, $image, $mime_type, $post_id);
253
254           if ( null !== $saved )
255                return $saved;
256
257           switch ( $mime_type ) {
258                case 'image/jpeg':
259                     return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) );
260                case 'image/png':
261                     return imagepng( $image, $filename );
262                case 'image/gif':
263                     return imagegif( $image, $filename );
264                default:
265                     return false;
266           }
267      }
268 }