3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function prepareKeywordsForDatabase($string) { $keywords = preg_split('#[\,|\v]#', $string); $keywords = array_map('trim', $keywords); for ($i = 0; $i < count($keywords); ++$i) { if ($keywords[$i] == '') { unset($keywords[$i]); } } return implode('.', $keywords); } echo prepareKeywordsForDatabase('ciao, come , , , , va ?!! !!');
Output for 4.4.9, 5.2.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
ciao.come..va ?!!..!!
Output for 4.3.0 - 4.4.8, 5.0.0 - 5.2.3
ciao.come..a ?!! !!