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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.
| Line | Code |
|---|---|
| 190 | <input name="referredby" type="hidden" id="referredby" value="<?php echo $sendto; ?>" /> |
| 191 | </p> |
| 192 | |
| 193 | <?php do_action('edit_page_form'); ?> |
| 194 | |
| 195 | <?php |
| 196 | if (current_user_can('upload_files')) { |
| 197 | $uploading_iframe_ID = (0 == $post_ID ? $temp_ID : $post_ID); |
| 198 | $uploading_iframe_src = wp_nonce_url("inline-uploading.php?action=view&post=$uploading_iframe_ID", 'inlineuploading'); |
| 199 | $uploading_iframe_src = apply_filters('uploading_iframe_src', $uploading_iframe_src); |
| 200 | if ( false != $uploading_iframe_src ) |
| 201 | echo '<iframe id="uploading" frameborder="0" src="' . $uploading_iframe_src . '">' . __('This feature requires iframe support.') . '</iframe>'; |
| 202 | } |
| 203 | ?> |
| 204 | |
| 205 | <div id="advancedstuff" class="dbx-group"> |
| 206 | |
| 207 | <fieldset id="postcustom" class="dbx-box"> |
| 208 | <h3 class="dbx-handle"><?php _e('Custom Fields') ?></h3> |