3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B { public function method() { echo "BBB"; } } class A { public function method() { echo "I'not suppose to"; } } class TestParentClass extends A { public function method() { print_r('Parent method'); print "\n"; } } trait TestTrait { public function method() { print_r('Trait method'); print "\n"; } } class TestChildClass extends TestParentClass { use TestTrait { B::method as mth; /* TestTrait::method as methodAlias; TestParentClass::method insteadof TestTrait; */ } } (new TestChildClass)->mth(); (new TestChildClass)->method(); (new TestChildClass)->method(); (new TestChildClass)->methodAlias();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Class B is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/MRS8G on line 36
Process exited with code 255.
Output for 5.4.13 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Class B is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/MRS8G on line 46
Process exited with code 255.
Output for 5.4.11 - 5.4.12
Fatal error: Trait B is not used in /in/MRS8G on line 46
Process exited with code 255.
Output for 5.4.0 - 5.4.10
Fatal error: Call to undefined method TestChildClass::mth() in /in/MRS8G on line 48
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/MRS8G on line 27
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/MRS8G on line 27
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/MRS8G on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/MRS8G 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/MRS8G on line 4
Process exited with code 255.
preferences:
227.44 ms | 401 KiB | 344 Q