3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'a'; $b = 'b'; echo sqrt(2); echo (isset ($a) && isset ($b) && !is_numeric (($a * $b) . '') ) && (($a * $b) != INF) ? 1 : 0; ?>
Output for 7.1.0
1.4142135623731 Warning: A non-numeric value encountered in /in/3NpqF on line 5 Warning: A non-numeric value encountered in /in/3NpqF on line 5 0
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
1.41421356237310