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<?php declare(strict_types=1); function f(array|string $var_name, array|string ...$var_names): void { var_dump($var_name, ...$var_names); } f(true, 42);
Output for 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught TypeError: f(): Argument #1 ($var_name) must be of type array|string, true given, called in /in/K3cmC on line 10 and defined in /in/K3cmC:5 Stack trace: #0 /in/K3cmC(10): f(true, 42) #1 {main} thrown in /in/K3cmC on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: f(): Argument #1 ($var_name) must be of type array|string, true given, called in /in/K3cmC on line 10 and defined in /in/K3cmC:5 Stack trace: #0 /in/K3cmC(10): f(true, 42) #1 {main} thrown in /in/K3cmC on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.3, 8.1.23 - 8.1.33, 8.2.10 - 8.2.29
Fatal error: Uncaught TypeError: f(): Argument #1 ($var_name) must be of type array|string, bool given, called in /in/K3cmC on line 10 and defined in /in/K3cmC:5 Stack trace: #0 /in/K3cmC(10): f(true, 42) #1 {main} thrown in /in/K3cmC on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.28, 7.4.0 - 7.4.16
Parse error: syntax error, unexpected '|', expecting variable (T_VARIABLE) in /in/K3cmC on line 5
Process exited with code 255.

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