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<?php class Foo { public function bar(string $arg) { return $arg; } } $foo = new Foo(); try { var_dump($foo->bar('0b10100111001')); } catch (Error $e) { echo '!!!' . $e->getMessage() . '!!!'; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.1.20 - 7.1.25, 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
string(13) "0b10100111001"
Output for 7.1.10

Process exited with code 137.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to Foo::bar() must be an instance of string, string given, called in /in/qgq0C on line 13 and defined in /in/qgq0C on line 5
Process exited with code 255.
preferences:
164.93 ms | 402 KiB | 198 Q