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<?php $calc = function ($arg = null, $acc = '') use (&$calc) { return $arg === null ? $acc : function ($arg, $acc = '') use (&$calc) { return $calc($arg, $acc . $arg); }; }; $result = $decurrying(1)(3)(3)(8)(); var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $decurrying in /in/3RPRe on line 9 Fatal error: Uncaught Error: Value of type null is not callable in /in/3RPRe:9 Stack trace: #0 {main} thrown in /in/3RPRe on line 9
Process exited with code 255.

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