3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class DT extends DateTime {} class C { public function __construct(DateTime $foo){} public function f(DateTime $foo){} } class CE extends C { public function __construct(DT $foo){} public function f(DT $foo){} }
Output for 7.0.0 - 7.1.0
Warning: Declaration of CE::f(DT $foo) should be compatible with C::f(DateTime $foo) in /in/V0Etg on line 10
Output for 5.4.0 - 5.6.28
Strict Standards: Declaration of CE::f() should be compatible with C::f(DateTime $foo) in /in/V0Etg on line 10
Output for 5.2.0 - 5.3.29
Strict Standards: Declaration of CE::f() should be compatible with that of C::f() in /in/V0Etg on line 10
Output for 5.0.0 - 5.1.6
Strict Standards: Declaration of CE::f() should be compatible with that of C::f() in /in/V0Etg on line 10 Fatal error: Class 'DateTime' not found in /in/V0Etg on line 2
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/V0Etg 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/V0Etg 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/V0Etg on line 4
Process exited with code 255.