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";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
okey
preferences:
255.53 ms | 406 KiB | 460 Q