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<?php class A { function __invoke() { return __METHOD__; } function direct() { return $this(); } function indirect() { return function() { return $this(); }; } } $a = new A; echo $a->direct(); $indirect = $a->indirect(); echo $indirect();
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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 - 8.2.19, 8.3.0 - 8.3.7
A::__invokeA::__invoke
Output for 5.3.0 - 5.3.29
A::__invoke Notice: Undefined variable: this in /in/ERUuZ on line 14 Fatal error: Function name must be a string in /in/ERUuZ on line 14
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_FUNCTION in /in/ERUuZ on line 13
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_FUNCTION in /in/ERUuZ on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ERUuZ on line 13
Process exited with code 255.
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241.02 ms | 401 KiB | 342 Q