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Source View: jpeg_quality

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Understanding Source Code

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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
217
218 function wp_save_image_file($filename, $image, $mime_type, $post_id) {
219      $image = apply_filters('image_save_pre', $image, $post_id);
220      $saved = apply_filters('wp_save_image_file', null, $filename, $image, $mime_type, $post_id);
221      if ( null !== $saved )
222           return $saved;
223
224      switch ( $mime_type ) {
225           case 'image/jpeg':
226                return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) );
227           case 'image/png':
228                return imagepng($image, $filename);
229           case 'image/gif':
230                return imagegif($image, $filename);
231           default:
232                return false;
233      }
234 }
235