3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SERVER['HTTP_REFERER'] = 'http://example.com/foo/bar?baz=1'; // if (in_array(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST), [ // 'example.com', 'www.example.com', // 'domain1.com', 'www.domain1.com', // 'domain2.com', 'www.domain2.com' ])) { echo 'In referer'; } else { echo 'Not in referer'; }
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
In referer
preferences:
150.92 ms | 407 KiB | 5 Q