3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { function bar() { $x = array(); echo self::xx; } } $a = new foo; $a->bar();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Undefined class constant 'xx' in /in/YiAB1:5 Stack trace: #0 /in/YiAB1(10): foo->bar() #1 {main} thrown in /in/YiAB1 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Undefined class constant 'xx' in /in/YiAB1 on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ';', expecting '(' in /in/YiAB1 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected ';', expecting '(' in /in/YiAB1 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/YiAB1 on line 5
Process exited with code 255.