3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( strlen( array() ) );
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: strlen() expects parameter 1 to be string, array given in /in/rNj3P on line 1 NULL
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/rNj3P on line 1 int(5)