3v4l.org

run code in 300+ PHP versions simultaneously
<?php $decurrying = function ($arg = null, $acc = '') use (&$decurrying) { return $arg === null ? $acc : function ($arg, $acc = '') use (&$decurrying) { return $decurrying($arg, $acc . $arg); }; }; $result = $decurrying(1)(3)(3)(8)(); var_dump($result);
Output for 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 0 passed in /in/TvAhd on line 9 and at least 1 expected in /in/TvAhd:4 Stack trace: #0 /in/TvAhd(9): {closure}() #1 {main} thrown in /in/TvAhd on line 4
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 {closure}(), 0 passed in /in/TvAhd on line 9 and at least 1 expected in /in/TvAhd:4 Stack trace: #0 /in/TvAhd(9): {closure}() #1 {main} thrown in /in/TvAhd on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for {closure}(), called in /in/TvAhd on line 9 and defined in /in/TvAhd on line 4 Notice: Undefined variable: arg in /in/TvAhd on line 5 Notice: Undefined variable: arg in /in/TvAhd on line 5 string(0) ""

preferences:
159.03 ms | 402 KiB | 188 Q