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); $array = array(); foreach ($keywords as $k) { if ($k == '') { continue; } $array[] = $k; } return implode('.', $array); } echo prepareKeywordsForDatabase('ciao, come , , , , va ?!! !!');
Output for 4.4.9, 5.2.4 - 7.1.0
ciao.come.va ?!!.!!
Output for 4.3.0 - 4.4.8, 5.0.0 - 5.2.3
ciao.come.a ?!! !!