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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 |
|---|---|
| 155 | <input name="referredby" type="hidden" id="referredby" value="<?php echo $sendto; ?>" /> |
| 156 | </p> |
| 157 | |
| 158 | <?php do_action('edit_page_form'); ?> |
| 159 | |
| 160 | <?php |
| 161 | if (current_user_can('upload_files')) { |
| 162 | $uploading_iframe_ID = (0 == $post_ID ? $temp_ID : $post_ID); |
| 163 | $uploading_iframe_src = wp_nonce_url("upload.php?style=inline&tab=upload&post_id=$uploading_iframe_ID", 'inlineuploading'); |
| 164 | $uploading_iframe_src = apply_filters('uploading_iframe_src', $uploading_iframe_src); |
| 165 | if ( false != $uploading_iframe_src ) |
| 166 | echo '<iframe id="uploading" frameborder="0" src="' . $uploading_iframe_src . '">' . __('This feature requires iframe support.') . '</iframe>'; |
| 167 | } |
| 168 | ?> |
| 169 | |
| 170 | <div id="advancedstuff" class="dbx-group"> |
| 171 | |
| 172 | <fieldset id="postcustom" class="dbx-box"> |
| 173 | <h3 class="dbx-handle"><?php _e('Custom Fields') ?></h3> |