3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SERVER["REQUEST_METHOD"] = 'GET'; $id = $_SERVER["REQUEST_METHOD"]; if($_SERVER["REQUEST_METHOD"] === "GET") { $id= ''; } ?> <meta property='og:url' content="http://www.example.com/page.php?id=<?php echo $id;?>" />
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<meta property='og:url' content="http://www.example.com/page.php?id=" />

preferences:
165.97 ms | 406 KiB | 315 Q