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<?php class A { public static function testFunc($name) { echo "hello " . $name . ' !!'; } } class B { public function testAnotherFunc(callable $funcName) { $funcName('Percy'); } } $b = new B(); $b->testAnotherFunc(array(new A(), 'A::testFunc'));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Callables of the form ["A", "A::testFunc"] are deprecated in /in/sC7uA on line 16 Fatal error: Uncaught Error: Call to undefined method A::A::testFunc() in /in/sC7uA:18 Stack trace: #0 /in/sC7uA(25): B->testAnotherFunc(Array) #1 {main} thrown in /in/sC7uA on line 18
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Call to undefined method A::A::testFunc() in /in/sC7uA:18 Stack trace: #0 /in/sC7uA(25): B->testAnotherFunc(Array) #1 {main} thrown in /in/sC7uA on line 18
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Fatal error: Call to undefined method A::A::testFunc() in /in/sC7uA on line 18
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Catchable fatal error: Argument 1 passed to B::testAnotherFunc() must be an instance of callable, array given, called in /in/sC7uA on line 25 and defined in /in/sC7uA on line 16
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to B::testAnotherFunc() must be an object of class callable, called in /in/sC7uA on line 25 and defined in /in/sC7uA on line 16
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class callable in /in/sC7uA on line 16
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/sC7uA on line 6
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/sC7uA on line 6
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/sC7uA on line 6
Process exited with code 255.

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