3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Hello how are you<br>Foo bar hello'; $array = preg_split( '/(?=\s)|(<br>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE); var_dump( $array);
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 - 5.5.36, 5.6.0 - 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(8) { [0]=> string(5) "Hello" [1]=> string(4) " how" [2]=> string(4) " are" [3]=> string(4) " you" [4]=> string(4) "<br>" [5]=> string(3) "Foo" [6]=> string(4) " bar" [7]=> string(6) " hello" }

preferences:
287.19 ms | 406 KiB | 371 Q