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<?php namespace Name; function Boo() { var_dump('func:', __FUNCTION__, __METHOD__); } trait Constants { public static function traitC () { return var_dump(__CLASS__,__FUNCTION__, __METHOD__); } } class Foo { use Constants; public function method () { return function () { var_dump(__CLASS__,__FUNCTION__, __METHOD__); };} } $stdClass = new \stdClass(); $closure = (new Foo())->method(); $closure(); echo PHP_EOL; echo PHP_EOL; $closure = (new Foo())->traitC(); $closure();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(8) "Name\Foo" string(14) "Name\{closure}" string(14) "Name\{closure}" string(8) "Name\Foo" string(6) "traitC" string(22) "Name\Constants::traitC" Fatal error: Uncaught Error: Value of type null is not callable in /in/WlIHP:22 Stack trace: #0 {main} thrown in /in/WlIHP on line 22
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(8) "Name\Foo" string(14) "Name\{closure}" string(14) "Name\{closure}" string(8) "Name\Foo" string(6) "traitC" string(22) "Name\Constants::traitC" Fatal error: Uncaught Error: Function name must be a string in /in/WlIHP:22 Stack trace: #0 {main} thrown in /in/WlIHP on line 22
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
string(8) "Name\Foo" string(14) "Name\{closure}" string(24) "Name\Foo::Name\{closure}" string(8) "Name\Foo" string(6) "traitC" string(22) "Name\Constants::traitC" Fatal error: Function name must be a string in /in/WlIHP on line 22
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/WlIHP on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/WlIHP on line 2
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/WlIHP on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WlIHP on line 2
Process exited with code 255.

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