3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = "¿Holá?"; print strlen($x) + "\n"; print $x[0] + "\n"; print substr($x, 1) + "\n"; print htmlentities($x) + "\n";
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/vLXrq on line 4 8 Warning: A non-numeric value encountered in /in/vLXrq on line 5 Warning: A non-numeric value encountered in /in/vLXrq on line 5 0 Warning: A non-numeric value encountered in /in/vLXrq on line 6 Warning: A non-numeric value encountered in /in/vLXrq on line 6 0 Warning: A non-numeric value encountered in /in/vLXrq on line 7 Warning: A non-numeric value encountered in /in/vLXrq on line 7 0
Output for 4.3.0 - 7.0.20
8000