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run code in 300+ PHP versions simultaneously
<?php $calc = function ($arg = null, $acc = '') use (&$calc) { return $arg === null ? $acc : function ($n = null) use (&$calc, $arg, $acc) { var_dump($arg); return $calc($n, $acc . $arg); }; }; $result = $calc(1)(3)(3)(8)(); var_dump($result);
Output for 7.0.0 - 7.0.20, 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
int(1) int(3) int(3) int(8) string(4) "1338"
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 int(1) int(3) int(3) int(8) string(4) "1338"
preferences:
135.96 ms | 402 KiB | 187 Q