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<?php class FakeStringIntTuple { private $data = []; public function returnsCallable() { return $this; } public function __call(string $a, int $b) { $this->data[] = [$a, $b]; return $this; } } (new FakeStringIntTuple())('foo', 123); $a = new FakeStringIntTuple(); $a->returnsCallable()('bar', 456); $tuple = (new FakeStringIntTuple()) ('foo', 123) ('bar', 456) ('baz', 789); var_dump($tuple);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: FakeStringIntTuple::__call(): Parameter #2 ($b) must be of type array when declared in /in/BNdql on line 10
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: FakeStringIntTuple::__call(): Parameter #2 ($b) must be of type array when declared in /in/BNdql on line 10
Process exited with code 255.
Output for 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
Fatal error: Uncaught Error: Function name must be a string in /in/BNdql:16 Stack trace: #0 {main} thrown in /in/BNdql on line 16
Process exited with code 255.
Output for 5.6.38
Parse error: syntax error, unexpected '(' in /in/BNdql on line 16
Process exited with code 255.

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