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<?php declare(strict_types=1); $intId = function (int $a) { return $a; }; var_dump(array_map($intId, ['1'])); var_dump($intId('1'));
Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(1) { [0]=> int(1) } Fatal error: Uncaught TypeError: {closure:/in/sYLE3:5}(): Argument #1 ($a) must be of type int, string given, called in /in/sYLE3 on line 8 and defined in /in/sYLE3:5 Stack trace: #0 /in/sYLE3(8): {closure:/in/sYLE3:5}('1') #1 {main} thrown in /in/sYLE3 on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30
array(1) { [0]=> int(1) } Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($a) must be of type int, string given, called in /in/sYLE3 on line 8 and defined in /in/sYLE3:5 Stack trace: #0 /in/sYLE3(8): {closure}('1') #1 {main} thrown in /in/sYLE3 on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(1) { [0]=> int(1) } Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($a) must be of type int, string given, called in /in/sYLE3 on line 8 and defined in /in/sYLE3:5 Stack trace: #0 /in/sYLE3(8): {closure}('1') #1 {main} thrown in /in/sYLE3 on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(1) { [0]=> int(1) } Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must be of the type int, string given, called in /in/sYLE3 on line 8 and defined in /in/sYLE3:5 Stack trace: #0 /in/sYLE3(8): {closure}('1') #1 {main} thrown in /in/sYLE3 on line 5
Process exited with code 255.

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