3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start_time = microtime(true); function shutdown($start_time) { $time_diff = round(1000 * (microtime(true)-$start_time)); echo $time_diff . "ms<br/>"; } register_shutdown_function('shutdown', $start_time); register_shutdown_function('shutdown', $start_time); register_shutdown_function('shutdown', $start_time); register_shutdown_function('shutdown', $start_time); register_shutdown_function('shutdown', $start_time);
Output for 7.3.1
0ms<br/>26ms<br/>26ms<br/>26ms<br/>26ms<br/>
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, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.2, 7.2.4 - 7.2.6, 7.2.8 - 7.2.9, 7.2.11, 7.2.13, 7.3.0
0ms<br/>0ms<br/>0ms<br/>0ms<br/>0ms<br/>
Output for 7.2.7, 7.2.12
0ms<br/>9ms<br/>9ms<br/>9ms<br/>9ms<br/>
Output for 7.2.10
0ms<br/>29ms<br/>29ms<br/>29ms<br/>29ms<br/>
Output for 7.2.3
0ms<br/>45ms<br/>45ms<br/>45ms<br/>45ms<br/>

preferences:
156.01 ms | 401 KiB | 191 Q