3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); for($i=0;$i<=1000;$i++) { $a[$i] = rand(10,1000); } $foo = 0; for($i=0;$i<10000;$i++){ if (array_key_exists(rand(0,1000), $a)) { $foo++; } } echo $foo;
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
10000
preferences:
182.6 ms | 404 KiB | 235 Q