SimplePie_Net_IPv6::split_v6_v4() – Splits an IPv6 address into the IPv6 and IPv4 representation parts

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Description

Splits an IPv6 address into the IPv6 and IPv4 representation parts

RFC 4291 allows you to represent the last two parts of an IPv6 address using the standard IPv4 representation Example: 0:0:0:0:0:0:13.1.68.3

  • 0:0:0:0:0:FFFF:129.144.52.38

Usage

$array = SimplePie_Net_IPv6::split_v6_v4( $ip );

Parameters

$ip
( string ) required – An IPv6 address

Returns

array [0] contains the IPv6 represented part, and [1] the IPv4 represented part

Source

File name: wordpress/wp-includes/SimplePie/Net/IPv6.php
Lines:

1 to 12 of 12
  private static function split_v6_v4($ip)
  {
    if (strpos($ip, '.') !== false)
    {
      $pos = strrpos($ip, ':');
      $ipv6_part = substr($ip, 0, $pos);
      $ipv4_part = substr($ip, $pos + 1);
      return array($ipv6_part, $ipv4_part);
    }

    return array($ip, '');
  }
 

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