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;

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54.69 ms | 402 KiB | 5 Q