Net_IPv6::getNetmask() – Calculates the network prefix


require_once 'Net/IPv6.php';

string Net_IPv6::getNetmask ( string $ip , int $bits = null )


Calculates the network prefix based on the netmask bits.


  • string $ip - the IP address in Hex format, compressed IPs are allowed

  • int $bits - if the number of netmask bits is not part of the IP, you must provide the mumber of bits

Return value

string - the network prefix


This function can be called statically.

Method available since: Release 1.1.0

Returns the type of an IP address (Previous) Returns a possible existing netmask specification at an IP addresse. (Next)
Last updated: Sat, 16 Feb 2019 — Download Documentation
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