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<?php $a = array(1, 2 ,3); array_walk($a, function(&$i, $k, $pos) { $i++; }); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 2 passed and exactly 3 expected in /in/DuPLH:6 Stack trace: #0 [internal function]: {closure}(1, 0) #1 /in/DuPLH(6): array_walk(Array, Object(Closure)) #2 {main} thrown in /in/DuPLH on line 6
Process exited with code 255.

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