3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array(); for($i = 0; $i < 8000; $i++) { $data[] = "あ"; } echo "point1:".memory_get_usage()."\n"; while(list($key, $value) = each($data)) {} echo "point2:".memory_get_usage()."\n";

preferences:
36.5 ms | 402 KiB | 5 Q