3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url='script.php?a=0&page=0'; $url+='asdfad'; $i=2; echo preg_replace('/page=\d+/','page='.$i,$url); ?>
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/n5tRi on line 3 Warning: A non-numeric value encountered in /in/n5tRi on line 3 0
Output for 4.3.0 - 7.0.20
0