3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'I-like-candy-and-foo-bar-sandwiches'; var_export(preg_split('~(?<!foo)-(?!bar)~', $string));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => 'I', 1 => 'like', 2 => 'candy', 3 => 'and', 4 => 'foo-bar', 5 => 'sandwiches', )

preferences:
103.12 ms | 1968 KiB | 4 Q