3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('@amazon\.com.*?"@g','cao','<a target="_blank" href="http://www.amazon.com/dp/B005LA53LA/?tag={tag}">');
Output for 4.3.11 - 7.1.7
Warning: preg_replace(): Unknown modifier 'g' in /in/Udihn on line 2
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'g' in /in/Udihn on line 2