3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo substr( sha1( $_user->login_name ), 5, 17 );
based on QpDTA
Output for 5.0.4 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: _user in /in/XqQYJ on line 2 Notice: Trying to get property of non-object in /in/XqQYJ on line 2 3ee5e6b4b0d3255bf
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: _user in /in/XqQYJ on line 2 Notice: Cannot access property on non-object in /in/XqQYJ on line 2 3ee5e6b4b0d3255bf
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: _user in /in/XqQYJ on line 2 Notice: Trying to get property of non-object in /in/XqQYJ on line 2 3ee5e6b4b0d3255bf
Output for 4.3.0 - 4.4.9
Notice: Undefined variable: _user in /in/XqQYJ on line 2 3ee5e6b4b0d3255bf