3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = " 1 , 2,3 "; var_dump(explode(",", $val)); var_dump(preg_split("/\s*,\s*/", $val));
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, 5.5.24 - 5.5.35, 5.6.8 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(3) { [0]=> string(3) " 1 " [1]=> string(2) " 2" [2]=> string(2) "3 " } array(3) { [0]=> string(2) " 1" [1]=> string(1) "2" [2]=> string(2) "3 " }

preferences:
219.77 ms | 406 KiB | 338 Q