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Source View: image_downsize

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Source View

This hook occurs 2 times in this file.

Line Code
192       * down-sizing the image, returning that value as output instead.
193       *
194       * @since 2.5.0
195       *
196       * @param bool         $downsize Whether to short-circuit the image downsize. Default false.
197       * @param int          $id       Attachment ID for image.
198       * @param array|string $size     Size of image. Image size or array of width and height values (in that order).
199       *                               Default 'medium'.
200       */
201      if ( $out = apply_filters( 'image_downsize', false, $id, $size ) ) {
202           return $out;
203      }
204
205      $img_url = wp_get_attachment_url($id);
206      $meta = wp_get_attachment_metadata($id);
207      $width = $height = 0;
208      $is_intermediate = false;
209      $img_url_basename = wp_basename($img_url);
210
 
Line Code
3184           unset( $possible_sizes['full'] );
3185
3186           // Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
3187           // First: run the image_downsize filter. If it returns something, we can use its data.
3188           // If the filter does not return something, then image_downsize() is just an expensive
3189           // way to check the image metadata, which we do second.
3190           foreach ( $possible_sizes as $size => $label ) {
3191
3192                /** This filter is documented in wp-includes/media.php */
3193                if ( $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ) ) {
3194                     if ( empty( $downsize[3] ) ) {
3195                          continue;
3196                     }
3197
3198                     $sizes[ $size ] = array(
3199                          'height'      => $downsize[2],
3200                          'width'       => $downsize[1],
3201                          'url'         => $downsize[0],
3202                          'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',