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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 192 | </tbody></table> |
| 193 | <div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div> |
| 194 | <script type="text/javascript">imageEdit.init(<?php echo $post_id; ?>);</script> |
| 195 | <div class="hidden" id="imgedit-leaving-<?php echo $post_id; ?>"><?php _e("There are unsaved changes that will be lost. 'OK' to continue, 'Cancel' to return to the Image Editor."); ?></div> |
| 196 | </div> |
| 197 | <?php |
| 198 | } |
| 199 | |
| 200 | function wp_stream_image($image, $mime_type, $post_id) { |
| 201 | $image = apply_filters('image_save_pre', $image, $post_id); |
| 202 | |
| 203 | switch ( $mime_type ) { |
| 204 | case 'image/jpeg': |
| 205 | header('Content-Type: image/jpeg'); |
| 206 | return imagejpeg($image, null, 90); |
| 207 | case 'image/png': |
| 208 | header('Content-Type: image/png'); |
| 209 | return imagepng($image); |
| 210 | case 'image/gif': |
| 211 | header('Content-Type: image/gif'); |
| 212 | return imagegif($image); |
| 213 | default: |
| 214 | return false; |
| 215 | } |
| 216 | } |
| 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); |