string expandUint32(
string
$_int)
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PHP doesn't support unsigned integers, but many of the RR's return unsigned values (like SOA), so there is the possibility that the value will overrun on 32bit systems, and you'll end up with a negative value.
64bit systems are not affected, as their PHP_IN_MAX value should be 64bit (ie 9223372036854775807)
This function returns a negative integer value, as a string, with the correct unsigned value.
Parameters: