3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'a'; $b = 'b'; echo (isset ($a) && isset ($b) && !is_numeric (($a * $b) . '') ) && (($a * $b) != INF) ? 1 : 0; ?>
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/337RW on line 4 Warning: A non-numeric value encountered in /in/337RW on line 4 0
Output for 4.3.0 - 7.0.20
0