3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'I\'m just so peachy, right now'; $spaced = preg_split('~\h+~', $string); print_r($spaced);
Output for 4.4.9, 5.2.4 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
Array ( [0] => I'm [1] => just [2] => so [3] => peachy, [4] => right [5] => now )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.8, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.3
Array ( [0] => I'm just so peac [1] => y, rig [2] => t now )

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226.25 ms | 403 KiB | 320 Q