3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function prepareKeywordsForDatabase($string) { $keywords = explode(',', $string); $keywords = array_map('trim', $keywords); $array = array(); foreach ($keywords as $k) { if ($k == '') { continue; } $k = preg_replace('#[\s]{1,}#', ' ', $k); $array[] = $k; } return implode(', ', $array); } echo prepareKeywordsForDatabase('ciao, come , ti ,va la, vita');
Output for 4.3.0 - 7.1.0
ciao, come, ti, va la, vita