54 lines
1.4 KiB
PHP
54 lines
1.4 KiB
PHP
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<?php
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namespace W3TC;
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/**
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* W3TC Referrer detection
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*/
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define( 'W3TC_REFERRER_COOKIE_NAME', 'w3tc_referrer' );
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/**
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* Class: Mobile_Referrer
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*/
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class Mobile_Referrer extends Mobile_Base {
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/**
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* PHP5-style constructor
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*/
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public function __construct() {
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parent::__construct( 'referrer.rgroups', 'referrers' );
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}
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/**
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* Returns HTTP referrer value.
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*
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* @return string
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*/
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public function get_http_referrer() {
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$http_referrer = '';
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if ( $this->has_enabled_groups() ) {
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if ( isset( $_COOKIE[ W3TC_REFERRER_COOKIE_NAME ] ) ) {
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$http_referrer = htmlspecialchars( $_COOKIE[ W3TC_REFERRER_COOKIE_NAME ] ); // phpcs:ignore
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} elseif ( isset( $_SERVER['HTTP_REFERER'] ) ) {
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$http_referrer = filter_var( $_SERVER['HTTP_REFERER'], FILTER_SANITIZE_URL ); // phpcs:ignore
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setcookie( W3TC_REFERRER_COOKIE_NAME, $http_referrer, 0, '/' /* not defined yet Util_Environment::network_home_url_uri()*/ );
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}
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} elseif ( isset( $_COOKIE[ W3TC_REFERRER_COOKIE_NAME ] ) ) {
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setcookie( W3TC_REFERRER_COOKIE_NAME, '', 1 );
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}
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return $http_referrer;
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}
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function group_verifier( $group_compare_value ) {
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static $http_referrer = null;
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if ( is_null( $http_referrer ) )
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$http_referrer = $this->get_http_referrer();
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return $http_referrer && preg_match( '~' . $group_compare_value . '~i', $http_referrer );
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}
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function do_get_group() {
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return $this->get_http_referrer();
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}
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}
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