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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public function hello($arg = "HAI") { echo $arg; } } class B extends A { public function hello() { parent::hello("HI"); } } class C extends B { public function hello() { parent::hello("HEY"); } } $c = new C(); $c->hello(); ?>
Output for 7.0.0 - 7.1.0
Warning: Declaration of B::hello() should be compatible with A::hello($arg = 'HAI') in /in/gQpa0 on line 17 HI
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of B::hello() should be compatible with A::hello($arg = 'HAI') in /in/gQpa0 on line 17 HI
Output for 5.0.0 - 5.3.29
Strict Standards: Declaration of B::hello() should be compatible with that of A::hello() in /in/gQpa0 on line 17 HI
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/gQpa0 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 T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/gQpa0 on line 5
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/gQpa0 on line 5
Process exited with code 255.