3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ null, "22-115", "AAAAAAAAA", "22-001", "22-221", "22-004", "22-023", "22-002", ]; $max = max(filter_var_array($array, FILTER_SANITIZE_NUMBER_INT)); echo $max; //22-221
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
22-221
preferences:
90.81 ms | 1249 KiB | 4 Q