3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i=0; $i<9998; $i++) { $array = array(); $array[0] = &$array; unset($array); } $matches = array("foo" => "bar"); $dummy = array("dummy"); $dummy[1] = &$dummy; $matches[1] = &$matches; $matches[2] = $dummy; $ma = $matches; preg_match_all("/(\d)+/", "foo123456bar", $matches); echo "okey";

preferences:
48.44 ms | 402 KiB | 5 Q