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<?php declare(strict_types=0); function add(int $a, int $b): int { return $a + $b; } var_dump(add("apple", "pear"));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: add(): Argument #1 ($a) must be of type int, string given, called in /in/M9I2o on line 9 and defined in /in/M9I2o:5 Stack trace: #0 /in/M9I2o(9): add('apple', 'pear') #1 {main} thrown in /in/M9I2o 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: add(): Argument #1 ($a) must be of type int, string given, called in /in/M9I2o on line 9 and defined in /in/M9I2o:5 Stack trace: #0 /in/M9I2o(9): add('apple', 'pear') #1 {main} thrown in /in/M9I2o on line 5
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to add() must be of the type int, string given, called in /in/M9I2o on line 9 and defined in /in/M9I2o:5 Stack trace: #0 /in/M9I2o(9): add('apple', 'pear') #1 {main} thrown in /in/M9I2o on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Fatal error: Uncaught TypeError: Argument 1 passed to add() must be of the type integer, string given, called in /in/M9I2o on line 9 and defined in /in/M9I2o:5 Stack trace: #0 /in/M9I2o(9): add('apple', 'pear') #1 {main} thrown in /in/M9I2o on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/M9I2o on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/M9I2o on line 5
Process exited with code 255.

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