3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f() { return 10; } class A { const X = 10; } class B extends A { // self and parent are allowed // const int Y = 10 * parent::X; // const int Z = self::Y + 1; private function foo() { return parent::X; } }
Output for 5.0.0 - 7.2.0
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2bBgu on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/2bBgu on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/2bBgu on line 8
Process exited with code 255.