3v4l.org

run code in 300+ PHP versions simultaneously
<?php class hello { static function world($value) { return $value * 2; } } $test = [1, 2, 3]; $result = array_map('hello->world', $test); var_dump($result);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "hello->world" not found or invalid function name in /in/gvgrJ:9 Stack trace: #0 /in/gvgrJ(9): array_map('hello->world', Array) #1 {main} thrown in /in/gvgrJ on line 9
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "hello->world" not found or invalid function name in /in/gvgrJ:9 Stack trace: #0 /in/gvgrJ(9): array_map('hello->world', Array) #1 {main} thrown in /in/gvgrJ on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback, function "hello->world" not found or invalid function name in /in/gvgrJ:9 Stack trace: #0 /in/gvgrJ(9): array_map('hello->world', Array) #1 {main} thrown in /in/gvgrJ on line 9
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_map() expects parameter 1 to be a valid callback, function 'hello->world' not found or invalid function name in /in/gvgrJ on line 9 NULL
preferences:
236.37 ms | 403 KiB | 291 Q