3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_filter_strlen($a, $l) { $a = preg_replace('/^.{0,3}$/u', '', $a); $a = array_filter($a, 'strlen'); return $a; } print_r(array_filter_strlen(array('привет', 'mir', 'i', 'cyberforum'), 3));
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 - 5.6.28, 7.0.0 - 7.0.20, 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
Array ( [0] => привет [3] => cyberforum )
preferences:
244.14 ms | 406 KiB | 398 Q