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<?php class TestParentClass { 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 { TestParentClass::method as methodParent; } } (new TestChildClass)->methodParent();
Output for 7.0.0 - 7.1.0alpha1
Fatal error: Class TestParentClass is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/5YQIO on line 20
Process exited with code 255.
Output for hhvm-3.11.0 - 3.12.0
Fatal error: Unknown trait 'TestParentClass' in /in/5YQIO on line 20
Process exited with code 255.
Output for hhvm-3.9.1 - 3.10.0

Process exited with code 153.
Output for 5.4.13 - 5.6.21
Fatal error: Class TestParentClass is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/5YQIO on line 26
Process exited with code 255.
Output for 5.4.11 - 5.4.12
Fatal error: Trait TestParentClass is not used in /in/5YQIO on line 26
Process exited with code 255.
Output for 5.4.0 - 5.4.10
Fatal error: Call to undefined method TestChildClass::methodParent() in /in/5YQIO on line 28
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/5YQIO on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/5YQIO on line 11
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/5YQIO 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/5YQIO 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/5YQIO on line 4
Process exited with code 255.