3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(-1); $foo = '123abc'; var_dump(date('d', $foo));
Output for 5.1.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/i5cQF on line 5 string(2) "01"
Output for 4.3.0 - 5.0.5
string(2) "01"