laipower/wp-content/plugins/w3-total-cache/Mobile_UserAgent.php

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<?php
/**
* File: Mobile_UserAgent.php
*
* W3TC Mobile detection.
*
* @package W3TC
* @subpackage QA
*/
namespace W3TC;
/**
* Class Mobile_UserAgent
*/
class Mobile_UserAgent extends Mobile_Base {
/**
* PHP5-style constructor
*/
public function __construct() {
parent::__construct( 'mobile.rgroups', 'agents' );
}
/**
* Group verifier.
*
* @param string $group_compare_value Group comparison value.
* @return int|false
*/
public function group_verifier( $group_compare_value ) {
return preg_match(
'~' . $group_compare_value . '~i',
isset( $_SERVER['HTTP_USER_AGENT'] ) ?
htmlspecialchars( $_SERVER['HTTP_USER_AGENT'] ) : '' // phpcs:ignore
);
}
}