3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 5; $b = "5 jestem zmienna"; $c = "jestem zmienna 5"; echo $a + $b + $c;
Output for 7.1.0 - 7.3.0rc4
Notice: A non well formed numeric value encountered in /in/1XH0f on line 7 Warning: A non-numeric value encountered in /in/1XH0f on line 7 10
Output for 5.3.20 - 7.0.20
10