3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php system("while read LINE;do echo $LINE; done < /etc/passwd");
Output for 5.4.42 - 7.2.0
Notice: Undefined variable: LINE in /in/EmXlM on line 3
Output for 5.0.4 - 5.4.41
Notice: Undefined variable: LINE in /in/EmXlM on line 3
Output for 4.3.1 - 5.0.3
Notice: Undefined variable: LINE in /in/EmXlM on line 3
Output for 4.3.0
Notice: Undefined variable: LINE in /in/EmXlM on line 3