3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (phpversion() != '7.0.0') { die; } $ids = []; for($i=0; $i<100000; $i++) { $userid = bin2hex(random_bytes(6)); $ids[] = hash('sha512', random_bytes(16)); var_dump($ids);die; } $a = array_count_values($ids); asort($a); var_dump( $a[key($a)] );
preferences:
34.32 ms | 402 KiB | 5 Q