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<?php $arr = [1, 2, 3, 4, 5]; $sum = array_reduce($arr, function ($carry, $item) { var_dump($item, $carry); }); echo $sum;
Output for git.master, git.master_jit, rfc.property-hooks
int(1) NULL int(2) NULL int(3) NULL int(4) NULL int(5) NULL

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