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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 |
|---|---|
| 406 | * Adding options for specific menus here hinges on the appropriate checks and capabilities |
| 407 | * being in place in the site dashboard on the other side. For instance, when the single |
| 408 | * default option, 'plugins' is enabled, site administrators are granted access to the Plugins |
| 409 | * screen in their individual sites' dashboards. |
| 410 | * |
| 411 | * @since MU (3.0.0) |
| 412 | * |
| 413 | * @param array $admin_menus The menu items available. |
| 414 | */ |
| 415 | $menu_items = apply_filters( 'mu_menu_items', array( 'plugins' => __( 'Plugins' ) ) ); |
| 416 | $fieldset_end = ''; |
| 417 | if ( count( (array) $menu_items ) > 1 ) { |
| 418 | echo '<fieldset><legend class="screen-reader-text">' . __( 'Enable menus' ) . '</legend>'; |
| 419 | $fieldset_end = '</fieldset>'; |
| 420 | } |
| 421 | foreach ( (array) $menu_items as $key => $val ) { |
| 422 | 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/>"; |
| 423 | } |
| 424 | echo $fieldset_end; |