3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public $c = 0; public function A($c) { print($this->c); print($c); } } class B extends A { public function B($c) { parent::A(++$this->c > 0 ? ++$c : -1); } } $b = new B(2); // 13
based on X3WiZ
Output for 7.0.0 - 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/Pn1J2 on line 2 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; B has a deprecated constructor in /in/Pn1J2 on line 13 13
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0
13
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Pn1J2 on line 21
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Pn1J2 on line 4
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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Pn1J2 on line 4
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/Pn1J2 on line 4
Process exited with code 255.