3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keywords = ['foo', 'baz']; $input = 'foo bar baz qux'; var_dump(array_intersect(preg_split('/\s+/', $input), $keywords));;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(2) { [0]=> string(3) "foo" [2]=> string(3) "baz" }
preferences:
103.16 ms | 1411 KiB | 4 Q