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<?php $a = str_split('23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'); var_dump(array_search('0', $a, false)); var_dump(filter_var( false, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION )); var_dump(bcadd('3', ''));

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67.39 ms | 402 KiB | 5 Q