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<?php function test(string $test) : string { var_dump($test); return (string)$test; } test();
Output for 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function test(), 0 passed in /in/te4Zo on line 8 and exactly 1 expected in /in/te4Zo:3 Stack trace: #0 /in/te4Zo(8): test() #1 {main} thrown in /in/te4Zo on line 3
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 ArgumentCountError: Too few arguments to function test(), 0 passed in /in/te4Zo on line 8 and exactly 1 expected in /in/te4Zo:3 Stack trace: #0 /in/te4Zo(8): test() #1 {main} thrown in /in/te4Zo on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught TypeError: Argument 1 passed to test() must be of the type string, none given, called in /in/te4Zo on line 8 and defined in /in/te4Zo:3 Stack trace: #0 /in/te4Zo(8): test() #1 {main} thrown in /in/te4Zo on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/te4Zo on line 3
Process exited with code 255.

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