3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ( "1" => array("fruit","salad","vegetable"), "2" => array("beef","meat","sausage"), "3" => array("chocolate","cake","bread"), "4" => array("sausage","cake","bread"), ); $expl = explode(' ', "I love big sausage"); $array = array_filter($array, function($x) use ($expl) { return count(array_intersect($expl, $x)) > 0; }); var_dump(array_keys($array));
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(2) { [0]=> int(2) [1]=> int(4) }
preferences:
133.71 ms | 408 KiB | 5 Q