3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "example.com"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $time_start = microtime(true); curl_exec($ch); $time_end = microtime(true); curl_close($ch); $exec_time = $time_end - $time_start; echo 'time: ' . $exec_time . 'secs'; ?>

preferences:
32.35 ms | 402 KiB | 5 Q