3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars = array(11, '11', '11.0', '11e1', '11f1', '11e0', '11f0', '11e2', '11f2', '.11e2', '0.11e2'); $size = count($vars); for($ii = 0; $ii < $size - 1; $ii++) { for($jj = $ii + 1; $jj < $size; $jj++) { if ($vars[$ii] == $vars[$jj]) { echo "$vars[$ii] == $vars[$jj]\n"; var_dump($vars[$ii], $vars[$jj]); echo "---------\n"; } } }

preferences:
30.79 ms | 402 KiB | 5 Q