3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str="www.google.com"; $pattern = '#(www\.|https?://)?[a-z0-9]+\.[a-z0-9]{2,4}\S*#i'; preg_match_all($pattern, $str, $matches, PREG_PATTERN_ORDER); echo $matches;
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/7k91q on line 5 Array
Output for 4.3.0 - 5.3.29
Array