How to Get the Local IP Address in PHP?

How to Obtain Local IP Address in PHP

Question:

Can PHP be used to retrieve the local IP address of a system (e.g., 192.*...)? This address should be the local network card address, not the external IP address.

Answer:

Using the Command Line Interface (CLI)

PHP Versions Prior to 5.3.0

<code class="php">$localIP = getHostByName(php_uname('n'));</code>

PHP Versions 5.3.0 and Later

<code class="php">$localIP = getHostByName(getHostName());</code>

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