3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $pattern = '/((?<!\w)#\w+)/i'; $subject = <<<EOT Blablalb #toto zdjsdf #ho_yeah EOT; $result = []; preg_match_all('/((?<!\w)#\w+)/i', $subject, $result); var_dump($result);
Output for 5.4.0 - 7.3.1
array(2) { [0]=> array(2) { [0]=> string(5) "#toto" [1]=> string(8) "#ho_yeah" } [1]=> array(2) { [0]=> string(5) "#toto" [1]=> string(8) "#ho_yeah" } }
Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/mXk6f on line 8
Process exited with code 255.
Output for 4.4.2, 5.1.2
Parse error: syntax error, unexpected '[' in /in/mXk6f on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/mXk6f on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mXk6f on line 8
Process exited with code 255.