How Can I Determine a Local IP Address Using PHP?

Determining Local IP Address in PHP

PHP offers the capability to retrieve a system's local IP address, providing developers with a means to identify the IP of the machine hosting the script. This functionality is particularly useful for scenarios where local network communication or resource access is necessary.

Methods for Retrieving Local IP Address

PHP provides several methods for obtaining the local IP address:

Command Line Interface (CLI)

The CLI offers two approaches depending on the PHP version:

• PHP < 5.3.0: Using getHostByName(php_uname('n')) returns the local IP address.
• PHP >= 5.3.0: Combining getHostByName(getHostName()) successfully retrieves the local IP address.

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