3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { function bar() { $baz = array(); echo $baz['self::xx']; echo $baz[self::xx]; } } $foo = new foo; $foo->bar();
Output for 7.0.0 - 7.1.0
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Uncaught Error: Undefined class constant 'xx' in /in/aNDX2:6 Stack trace: #0 /in/aNDX2(11): foo->bar() #1 {main} thrown in /in/aNDX2 on line 6
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Couldn't find constant foo::xx in /in/aNDX2 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Undefined class constant 'xx' in /in/aNDX2 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Undefined class constant 'xx' in /in/aNDX2 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ']', expecting '(' in /in/aNDX2 on line 6
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/aNDX2 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/aNDX2 on line 6
Process exited with code 255.