3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = '12345'; $x = 0; for ($i = 0; $i < 10000; $i++){ $x = (preg_match('#^[0-9]+$#', $value)); } var_dump($x);
Output for 4.3.0 - 7.1.0
int(1)