将输入转换为32位无符号整数,若溢出,则只保留低32位
function uint32val($var) { if (is_string($var)) { if (PHP_INT_MAX > 2147483647) { $var = intval($var); } else { $var = floatval($var); } } if (!is_int($var)) { $var = intval($var); } if ((0 > $var) || ($var > 4294967295)) { $var &= 4294967295; if (0 > $var) { $var = sprintf('%u', $var); } } return $var; }
以上就是将输入转换为32位无符号整数,若溢出,则只保留低32位的内容,更多相关内容请关注PHP中文网(www.php.cn)!

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