3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); for($i = 0;$i < 1000; $i++) { $val1 = (1 === "1"); } echo strtotime(true) - $time; echo "\n"; $time = time(); for($j = 0;$j < 1000; $j++) { $val2 = (1 == "1"); } echo strtotime(true) - $time;
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
-1369116984 -1369116984
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
-26184 -26184

preferences:
202.64 ms | 402 KiB | 247 Q