Net_IPv4::validateNetmask()

Net_IPv4::validateNetmask() -- Validate the syntax of the given netmask.

Synopsis

    require_once 'Net/IPv4.php';

bool validateNetmask ( string $netmask )

Validates the syntax of a dot-quad formatted netmask. Returns true if netmask is valid, false if not.

This function can be called statically.