3v4l.org

run code in 300+ PHP versions simultaneously
<?php function prepareKeywordsForDatabase($string) { $keywords = preg_split('#[\,|\v]#', $string); $keywords = array_map('trim', $keywords); return implode(', ', $keywords); } echo prepareKeywordsForDatabase('ciao, come , va ?!!!!');
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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ciao, come, va ?!!!!
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
ciao, come, , a ?!!!!
preferences:
217.67 ms | 402 KiB | 329 Q