PHP Manual: Get network interfaces

Description

arrayfalse net_get_interfaces()

Returns an enumeration of network interfaces (adapters) on the local machine.

Parameters

This function has no parameters.

Return Values

Returns an associative array where the key is the name of the interface and the value an associative array of interface attributes, or false on failure.

Each interface associative array contains:

**Interface attributes**
Name	Description
description	Optional string value for description of the interface. Windows only.
mac	Optional string value for MAC address of the interface. Windows only.
mtu	Integer value for Maximum transmission unit (MTU) of the interface. Windows only.
unicast	Array of associative arrays, see Unicast attributes below.
up	Boolean status (on/off) for interface.

**Unicast attributes**
Name	Description
flags	Integer value.
family	Integer value.
address	String value for address in either IPv4 or IPv6.
netmask	String value for netmask in either IPv4 or IPv6.

Errors/Exceptions

Emits an E_WARNING on failure to get interface information.