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[HttpFoundation] Add new parameters to IpUtils::anonymize() #20138

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Aug 26, 2024
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[HttpFoundation] Add new parameters to IpUtils::anonymize() #20138

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17 changes: 17 additions & 0 deletions components/http_foundation.rst
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Expand Up @@ -362,6 +362,23 @@ analysis purposes. Use the ``anonymize()`` method from the
$anonymousIpv6 = IpUtils::anonymize($ipv6);
// $anonymousIpv6 = '2a01:198:603:10::'

If you need even more anonymization, you can use the second and third parameters
of the ``anonymize()`` method to specify the number of bytes that should be
anonymized depending on the IP address format::

$ipv4 = '123.234.235.236';
$anonymousIpv4 = IpUtils::anonymize($ipv4, v4Bytes: 3);
// $anonymousIpv4 = '123.0.0.0'

$ipv6 = '2a01:198:603:10:396e:4789:8e99:890f';
$anonymousIpv6 = IpUtils::anonymize($ipv6, v6Bytes: 10);
// $anonymousIpv6 = '2a01:198:603::'

.. versionadded:: 7.2

The ``v4Bytes`` and ``v6Bytes`` parameters of the ``anonymize()`` method
were introduced in Symfony 7.2.

Check If an IP Belongs to a CIDR Subnet
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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