描述:
判断当前顶部工具栏admin_bar是否显示
用法:
<?php is_admin_bar_showing(); ?>
参数:
None
示例:
<?php
if ( is_admin_bar_showing() ) {
// do something
}
?>
源文件:
/**
* Determine whether the admin bar should be showing.
*
* @since 3.1.0
*
* @global WP_Admin_Bar $wp_admin_bar
* @global string $pagenow
*
* @return bool Whether the admin bar should be showing.
*/
function is_admin_bar_showing() {
global $show_admin_bar, $pagenow;
// For all these types of requests, we never want an admin bar.
if ( defined('XMLRPC_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
return false;
// Integrated into the admin.
if ( is_admin() )
return true;
if ( ! isset( $show_admin_bar ) ) {
if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
$show_admin_bar = false;
} else {
$show_admin_bar = _get_admin_bar_pref();
}
}
/**
* Filter whether to show the admin bar.
*
* Returning false to this hook is the recommended way to hide the admin bar.
* The user's display preference is used for logged in users.
*
* @since 3.1.0
*
* @param bool $show_admin_bar Whether the admin bar should be shown. Default false.
*/
$show_admin_bar = apply_filters( 'show_admin_bar', $show_admin_bar );
return $show_admin_bar;
}