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<?php namespace Test; class Foo { public function bar(callable $a) { $a(); } public function hello() { echo 'World' . PHP_EOL; } public function test($a) { echo 'Hello' . PHP_EOL; } } $foo = new Foo(); echo is_callable(array($foo, 'hello')); $foo->bar(array($foo, 'hello'));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 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
1World
Output for 5.3.0 - 5.3.29
1 Catchable fatal error: Argument 1 passed to Test\Foo::bar() must be an instance of Test\callable, array given, called in /in/jm7G7 on line 20 and defined in /in/jm7G7 on line 6
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/jm7G7 on line 3
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/jm7G7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jm7G7 on line 3
Process exited with code 255.
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