3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(str_word_count(' one, two, three- four! five: six; ', 1));
Output for 5.1.2 - 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 - 7.1.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => one [1] => two [2] => three- [3] => four [4] => five [5] => six )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Array ( [0] => one [1] => two [2] => three [3] => four [4] => five [5] => six )

preferences:
217.95 ms | 402 KiB | 307 Q