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<?php function myfunc($iter, $item) { $item = str_replace($iter[0],$iter[1],$item); return $item; } $a = array([',',''],['\n',"\n"]); $str = '1,2,3\n,4,5,6,\n,7,8,9'; var_dump(array_reduce($a, "myfunc", $str));

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47.94 ms | 402 KiB | 5 Q