3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "michael@test.com dave@cheese.mansions milkman@serverdouche.co.uk"; $email = preg_split("/[-0-9a-zA-Z.+_]+@[-0-9a-zA-Z.+_]+\.[a-zA-Z]+/", $input); var_dump($email);
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 - 5.6.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(4) { [0]=> string(0) "" [1]=> string(5) " " [2]=> string(4) " " [3]=> string(0) "" }
preferences:
222.25 ms | 406 KiB | 348 Q