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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 |
|---|---|
| 314 | ?> |
| 315 | |
| 316 | <h3><?php _e( 'Menu Settings' ); ?></h3> |
| 317 | <table id="menu" class="form-table"> |
| 318 | <tr valign="top"> |
| 319 | <th scope="row"><?php _e( 'Enable administration menus' ); ?></th> |
| 320 | <td> |
| 321 | <?php |
| 322 | $menu_perms = get_site_option( 'menu_items' ); |
| 323 | $menu_items = apply_filters( 'mu_menu_items', array( 'plugins' => __( 'Plugins' ) ) ); |
| 324 | foreach ( (array) $menu_items as $key => $val ) { |
| 325 | echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[$key] ) ? checked( $menu_perms[$key], '1', false ) : '' ) . " /> " . esc_html( $val ) . "</label><br/>"; |
| 326 | } |
| 327 | ?> |
| 328 | </td> |
| 329 | </tr> |
| 330 | </table> |
| 331 | |
| 332 | <?php do_action( 'wpmu_options' ); // Add more options here ?> |