3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Hello fri3nd, you're looking good today! What a Great day this is! How fancy and cool!"; var_export(preg_split('/(?:\S+\K +){3}/', $str));
Output for 8.0.1 - 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 ( 0 => 'Hello fri3nd, you\'re', 1 => 'looking good today!', 2 => 'What a Great', 3 => 'day this is!', 4 => 'How fancy and', 5 => 'cool!', )

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