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run code in 300+ PHP versions simultaneously
<?php class X { } function a(\object $x) { var_dump($x); } a(new X()); //a("123");
Output for 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
Fatal error: Type declaration 'object' must be unqualified in /in/Z1lKZ on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33
Fatal error: Scalar type declaration 'object' must be unqualified in /in/Z1lKZ on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Fatal error: Uncaught TypeError: Argument 1 passed to a() must be an instance of object, instance of X given, called in /in/Z1lKZ on line 10 and defined in /in/Z1lKZ:6 Stack trace: #0 /in/Z1lKZ(10): a(Object(X)) #1 {main} thrown in /in/Z1lKZ on line 6
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to a() must be an instance of object, instance of X given, called in /in/Z1lKZ on line 10 and defined in /in/Z1lKZ on line 6
Process exited with code 255.

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