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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 |
|---|---|
| 141 | } else { |
| 142 | |
| 143 | /** |
| 144 | * Fires before the administration menu loads in the admin. |
| 145 | * |
| 146 | * @since 1.5.0 |
| 147 | * |
| 148 | * @param string $context Empty context. |
| 149 | */ |
| 150 | do_action( 'admin_menu', '' ); |
| 151 | } |
| 152 | |
| 153 | /* |
| 154 | * Remove menus that have no accessible submenus and require privileges |
| 155 | * that the user does not have. Run re-parent loop again. |
| 156 | */ |
| 157 | foreach ( $menu as $id => $data ) { |
| 158 | if ( ! current_user_can($data[1]) ) |
| 159 | $_wp_menu_nopriv[$data[2]] = true; |