PHP API Reference guide

Functions

Total number of functions: 81. Functions supported are:

libvirt_get_last_error()
libvirt_connect($url, $readonly, $credentials)
libvirt_node_get_info($conn)
libvirt_get_uri($conn)
libvirt_get_hostname($conn)
libvirt_domain_get_counts($conn)
libvirt_domain_get_autostart($res)
libvirt_domain_set_autostart($res, $flags)
libvirt_domain_is_active($res)
libvirt_domain_lookup_by_name($res, $name)
libvirt_domain_lookup_by_uuid($res, $uuid)
libvirt_domain_lookup_by_uuid_string($res, $uuid)
libvirt_domain_lookup_by_id($conn, $id)
libvirt_domain_get_name($res)
libvirt_domain_get_uuid_string($res)
libvirt_domain_get_uuid($res)
libvirt_domain_get_id($res)
libvirt_domain_get_xml_desc($res)
libvirt_domain_get_info($res)
libvirt_domain_create($res)
libvirt_domain_destroy($res)
libvirt_domain_resume($res)
libvirt_domain_shutdown($res)
libvirt_domain_suspend($res)
libvirt_domain_undefine($res)
libvirt_domain_reboot($res)
libvirt_domain_define_xml($conn, $xml)
libvirt_domain_create_xml($conn, $xml)
libvirt_domain_memory_peek($res)
libvirt_domain_memory_stats($res)
libvirt_domain_update_device($res, $xml, $flags)
libvirt_domain_block_stats($res, $path)
libvirt_domain_get_network_info($res, $mac)
libvirt_domain_get_block_info($res, $dev)
libvirt_domain_xml_xpath($res, $xpath)
libvirt_domain_interface_stats($res, $path)
libvirt_domain_get_connect($res)
libvirt_domain_migrate_to_uri($res, $dest_uri, $flags, $dname, $bandwidth)
libvirt_domain_migrate($res, $dest_conn, $flags, $dname, $bandwidth)
libvirt_domain_get_job_info($res)
libvirt_storagepool_lookup_by_name($res, $name)
libvirt_storagepool_list_volumes($res)
libvirt_storagepool_get_info($res)
libvirt_storagevolume_lookup_by_name($res, $name)
libvirt_storagevolume_get_info($res)
libvirt_storagevolume_get_xml_desc($res)
libvirt_storagevolume_create_xml($res, $xml)
libvirt_storagepool_get_uuid_string($res)
libvirt_storagepool_get_name($res)
libvirt_storagepool_lookup_by_uuid_string($res, $uuid)
libvirt_storagepool_get_xml_desc($res)
libvirt_storagepool_define_xml($res, $xml, $flags)
libvirt_storagepool_undefine($res)
libvirt_storagepool_create($res)
libvirt_storagepool_destroy($res)
libvirt_storagepool_is_active($res)
libvirt_storagepool_get_volume_count($res)
libvirt_storagepool_refresh($res, $flags)
libvirt_storagepool_set_autostart($res, $flags)
libvirt_storagepool_get_autostart($res)
libvirt_list_storagepools($res)
libvirt_list_active_storagepools($res)
libvirt_list_inactive_storagepools($res)
libvirt_list_domains($res)
libvirt_list_domain_resources($res)
libvirt_list_active_domain_ids($res)
libvirt_list_active_domains($res)
libvirt_list_inactive_domains($res)
libvirt_list_networks($res, $flags)
libvirt_list_nodedevs($res, $cap)
libvirt_nodedev_get($res, $name)
libvirt_nodedev_capabilities($res)
libvirt_nodedev_get_xml_desc($res)
libvirt_nodedev_get_information($res)
libvirt_network_get($res, $name)
libvirt_network_get_bridge($res)
libvirt_network_get_active($res)
libvirt_network_get_information($res)
libvirt_network_set_active($res)
libvirt_network_get_xml_desc($res)
libvirt_version($type)
libvirt_check_version($major, $minor, $micro, $type)

`libvirt_get_last_error`

libvirt_get_last_error()

This function is used to get the last error coming either from libvirt or the PHP extension itself.

Returns: last error string

`libvirt_connect`

libvirt_connect($url, $readonly, $credentials)

libvirt_connect() is used to connect to the specified libvirt daemon using the specified URL, user can also set the readonly flag and/or set credentials for connection.

`@url [string]`:	URI for connection
`@readonly [bool]`:	flag whether to use read-only connection or not
`@credentials [array]`:	array of connection credentials
`Returns`:	libvirt connection resource

`libvirt_node_get_info`

libvirt_node_get_info($conn)

Function is used to get the information about host node, mainly total memory installed, total CPUs installed and model information are useful.

`@conn [resource]`:	resource for connection
`Returns`:	array of node information

`libvirt_get_uri`

libvirt_get_uri($conn)

Function is used to get the connection URI. This is useful to check the hypervisor type of host machine when using "null" uri to libvirt_connect().

`@conn [resource]`:	resource for connection
`Returns`:	connection URI string

`libvirt_get_hostname`

libvirt_get_hostname($conn)

Function is used to get the hostname of the guest associated with the connection.

`@conn [resource]`:	resource for connection
`Returns`:	hostname of the host node

`libvirt_domain_get_counts`

libvirt_domain_get_counts($conn)

Function is getting domain counts for all, active and inactive domains.

`@conn [resource]`:	libvirt connection resource from libvirt_connect()
`Returns`:	array of total, active and inactive (but defined) domain counts

`libvirt_domain_get_autostart`

libvirt_domain_get_autostart($res)

Function is getting the autostart value for the domain.

`@res [resource]`:	libvirt domain resource
`Returns`:	autostart value or -1

`libvirt_domain_set_autostart`

libvirt_domain_set_autostart($res, $flags)

Function is setting the autostart value for the domain.

`@res [resource]`:	libvirt domain resource
`@flags [int]`:	flag to enable/disable autostart
`Returns`:	TRUE on success, FALSE on error

`libvirt_domain_is_active`

libvirt_domain_is_active($res)

Function is getting information whether domain identified by resource is active or not.

`@res [resource]`:	libvirt domain resource
`Returns`:	virDomainIsActive() result on the domain

`libvirt_domain_lookup_by_name`

libvirt_domain_lookup_by_name($res, $name)

Function is used to lookup for domain by it's name.

`@res [resource]`:	libvirt connection resource from libvirt_connect()
`@name [string]`:	domain name to look for
`Returns`:	libvirt domain resource

`libvirt_domain_lookup_by_uuid`

libvirt_domain_lookup_by_uuid($res, $uuid)

Function is used to lookup for domain by it's UUID in the binary format.

`@res [resource]`:	libvirt connection resource from libvirt_connect()
`@uuid [string]`:	binary defined UUID to look for
`Returns`:	libvirt domain resource

`libvirt_domain_lookup_by_uuid_string`

libvirt_domain_lookup_by_uuid_string($res, $uuid)

Function is used to get the domain by it's UUID that's accepted in string format.

`@res [resource]`:	libvirt connection resource from libvirt_connect()
`@uuid [string]`:	domain UUID [in string format] to look for
`Returns`:	libvirt domain resource

`libvirt_domain_lookup_by_id`

libvirt_domain_lookup_by_id($conn, $id)

Function is used to get domain by it's ID, applicable only to running guests.

`@conn [resource]`:	libvirt connection resource from libvirt_connect()
`@id [string]`:	domain id to look for
`Returns`:	libvirt domain resource

`libvirt_domain_get_name`

libvirt_domain_get_name($res)

Function is used to get domain name from it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain name string

`libvirt_domain_get_uuid_string`

libvirt_domain_get_uuid_string($res)

Function is used to get the domain's UUID in string format.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain UUID string

`libvirt_domain_get_uuid`

libvirt_domain_get_uuid($res)

Function is used to get the domain's UUID in binary format.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain UUID in binary format

`libvirt_domain_get_id`

libvirt_domain_get_id($res)

Function is used to get the domain's ID, applicable to running guests.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	running domain ID or -1 if not running

`libvirt_domain_get_xml_desc`

libvirt_domain_get_xml_desc($res)

Function is used to get the domain's XML description.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain XML description string

`libvirt_domain_get_info`

libvirt_domain_get_info($res)

Function is used to get the domain's information.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain information array

`libvirt_domain_create`

libvirt_domain_create($res)

Function is used to create the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain creation (startup)

`libvirt_domain_destroy`

libvirt_domain_destroy($res)

Function is used to destroy the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain destroy

`libvirt_domain_resume`

libvirt_domain_resume($res)

Function is used to resume the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain resume

`libvirt_domain_shutdown`

libvirt_domain_shutdown($res)

Function is used to shutdown the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain shutdown

`libvirt_domain_suspend`

libvirt_domain_suspend($res)

Function is used to suspend the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain suspend

`libvirt_domain_undefine`

libvirt_domain_undefine($res)

Function is used to undefine the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain undefine

`libvirt_domain_reboot`

libvirt_domain_reboot($res)

Function is used to reboot the domain identified by it's resource.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	result of domain reboot

`libvirt_domain_define_xml`

libvirt_domain_define_xml($conn, $xml)

Function is used to define the domain from XML string.

`@conn [resource]`:	libvirt connection resource
`@xml [string]`:	XML string to define guest from
`Returns`:	newly defined domain resource

`libvirt_domain_create_xml`

libvirt_domain_create_xml($conn, $xml)

Function is used to create the domain identified by it's resource.

`@conn [resource]`:	libvirt connection resource
`@xml [string]`:	XML string to create guest from
`Returns`:	newly started/created domain resource

`libvirt_domain_memory_peek`

libvirt_domain_memory_peek($res)

Function is used to get the domain's memory peek value.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain memory peek

`libvirt_domain_memory_stats`

libvirt_domain_memory_stats($res)

Function is used to get the domain's memory stats.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	domain memory stats array

`libvirt_domain_update_device`

libvirt_domain_update_device($res, $xml, $flags)

Function is used to update the domain's devices from the XML string.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@xml [string]`:	XML string for the update
`@flags [int]`:	Flags to update the device (VIR_DOMAIN_DEVICE_MODIFY_CURRENT, VIR_DOMAIN_DEVICE_MODIFY_LIVE, VIR_DOMAIN_DEVICE_MODIFY_CONFIG, VIR_DOMAIN_DEVICE_MODIFY_FORCE)
`Returns`:	0 on success, -1 on failure

`libvirt_domain_block_stats`

libvirt_domain_block_stats($res, $path)

Function is used to get the domain's block stats.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@path [string]`:	device path to get statistics about
`Returns`:	domain block stats array

`libvirt_domain_get_network_info`

libvirt_domain_get_network_info($res, $mac)

Function is used to get the domain's network information.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@mac [string]`:	mac address of the network device
`Returns`:	domain network info array

`libvirt_domain_get_block_info`

libvirt_domain_get_block_info($res, $dev)

Function is used to get the domain's block device information.

`res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@dev [string]`:	device to get block information about
`Returns`:	domain block device information array

`libvirt_domain_xml_xpath`

libvirt_domain_xml_xpath($res, $xpath)

Function is used to get the result of xPath expression that's run against the domain.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@xpath [string]`:	xPath expression to parse against the domain
`Returns`:	result of the expression

`libvirt_domain_interface_stats`

libvirt_domain_interface_stats($res, $path)

Function is used to get the domain's interface stats.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@path [string]`:	path to interface device
`Returns`:	interface stats array

`libvirt_domain_get_connect`

libvirt_domain_get_connect($res)

Function is used to get the domain's connection resource. This function should *not* be used!.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	libvirt connection resource

`libvirt_domain_migrate_to_uri`

libvirt_domain_migrate_to_uri($res, $dest_uri, $flags, $dname, $bandwidth)

Function is used migrate domain to another libvirt daemon specified by it's URI.

`res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@dest_uri [string]`:	destination URI to migrate to
`@flags [int]`:	migration flags
`@dname [string]`:	domain name to rename domain to on destination side
`@bandwidth [int]`:	migration bandwidth in Mbps
`Returns`:	migration result as boolean

`libvirt_domain_migrate`

libvirt_domain_migrate($res, $dest_conn, $flags, $dname, $bandwidth)

Function is used migrate domain to another domain.

`res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`@dest_conn [string]`:	destination host connection object
`@flags [int]`:	migration flags
`@dname [string]`:	domain name to rename domain to on destination side
`@bandwidth [int]`:	migration bandwidth in Mbps
`Returns`:	migration result as boolean

`libvirt_domain_get_job_info`

libvirt_domain_get_job_info($res)

Function is used get job information for the domain.

`@res [resource]`:	libvirt domain resource, e.g. from libvirt_domain_get_by_*()
`Returns`:	job information array

`libvirt_storagepool_lookup_by_name`

libvirt_storagepool_lookup_by_name($res, $name)

Function is used to lookup for storage pool by it's name.

`@res [resource]`:	libvirt connection resource
`@name [string]`:	storage pool name
`Returns`:	libvirt storagepool resource

`libvirt_storagepool_list_volumes`

libvirt_storagepool_list_volumes($res)

Function is used to list volumes in the specified storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	list of storage volume names in the storage pool

`libvirt_storagepool_get_info`

libvirt_storagepool_get_info($res)

Function is used to get information about the storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	storage pool information array

`libvirt_storagevolume_lookup_by_name`

libvirt_storagevolume_lookup_by_name($res, $name)

Function is used to lookup for storage volume by it's name.

`@res [resource]`:	libvirt storagepool resource
`@name [string]`:	name of the storage volume to look for
`Returns`:	libvirt storagevolume resource

`libvirt_storagevolume_get_info`

libvirt_storagevolume_get_info($res)

Function is used to get the storage volume information.

`@res [resource]`:	libvirt storagevolume resource
`Returns`:	storage volume information

`libvirt_storagevolume_get_xml_desc`

libvirt_storagevolume_get_xml_desc($res)

Function is used to get the storage volume XML description.

`@res [resource]`:	libvirt storagevolume resource
`Returns`:	storagevolume XML description

`libvirt_storagevolume_create_xml`

libvirt_storagevolume_create_xml($res, $xml)

Function is used to create the new storage pool and return the handle to new storage pool.

`@res [resource]`:	libvirt storagepool resource
`@xml [string]`:	XML string to create the storage volume in the storage pool
`Returns`:	libvirt storagevolume resource

`libvirt_storagepool_get_uuid_string`

libvirt_storagepool_get_uuid_string($res)

Function is used to get storage pool by UUID string.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	storagepool UUID string

`libvirt_storagepool_get_name`

libvirt_storagepool_get_name($res)

Function is used to get storage pool name from the storage pool resource.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	storagepool name string

`libvirt_storagepool_lookup_by_uuid_string`

libvirt_storagepool_lookup_by_uuid_string($res, $uuid)

Function is used to lookup for storage pool identified by UUID string.

`@res [resource]`:	libvirt connection resource
`@uuid [string]`:	UUID string to look for storagepool
`Returns`:	libvirt storagepool resource

`libvirt_storagepool_get_xml_desc`

libvirt_storagepool_get_xml_desc($res)

Function is used to get the XML description for the storage pool identified by res.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	XML description

`libvirt_storagepool_define_xml`

libvirt_storagepool_define_xml($res, $xml, $flags)

Function is used to define the storage pool from XML string and return it's resource.

`@res [resource]`:	libvirt connection resource
`@xml [string]`:	XML string definition of storagepool
`@flags [int]`:	flags to define XML
`Returns`:	libvirt storagepool resource

`libvirt_storagepool_undefine`

libvirt_storagepool_undefine($res)

Function is used to undefine the storage pool identified by it's resource.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	TRUE if success, FALSE on error

`libvirt_storagepool_create`

libvirt_storagepool_create($res)

Function is used to create/start the storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	TRUE if success, FALSE on error

`libvirt_storagepool_destroy`

libvirt_storagepool_destroy($res)

Function is used to destory the storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	TRUE if success, FALSE on error

`libvirt_storagepool_is_active`

libvirt_storagepool_is_active($res)

Function is used to get information whether storage pool is active or not.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	result of virStoragePoolIsActive

`libvirt_storagepool_get_volume_count`

libvirt_storagepool_get_volume_count($res)

Function is used to get storage volume count in the storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	number of volumes in the pool

`libvirt_storagepool_refresh`

libvirt_storagepool_refresh($res, $flags)

Function is used to refresh the storage pool information.

`@res [resource]`:	libvirt storagepool resource
`@flags [int]`:	refresh flags
`Returns`:	TRUE if success, FALSE on error

`libvirt_storagepool_set_autostart`

libvirt_storagepool_set_autostart($res, $flags)

Function is used to set autostart of the storage pool.

`@res [resource]`:	libvirt storagepool resource
`@flags [int]`:	flags to set autostart
`Returns`:	result on setting storagepool autostart value

`libvirt_storagepool_get_autostart`

libvirt_storagepool_get_autostart($res)

Function is used to get autostart of the storage pool.

`@res [resource]`:	libvirt storagepool resource
`Returns`:	autostart value for storagepool

`libvirt_list_storagepools`

libvirt_list_storagepools($res)

Function is used to list storage pools on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt storagepool names array for the connection

`libvirt_list_active_storagepools`

libvirt_list_active_storagepools($res)

Function is used to list active storage pools on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt storagepool names array for the connection

`libvirt_list_inactive_storagepools`

libvirt_list_inactive_storagepools($res)

Function is used to list inactive storage pools on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt storagepool names array for the connection

`libvirt_list_domains`

libvirt_list_domains($res)

Function is used to list domains on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt domain names array for the connection

`libvirt_list_domain_resources`

libvirt_list_domain_resources($res)

Function is used to list domain resources on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt domain resources array for the connection

`libvirt_list_active_domain_ids`

libvirt_list_active_domain_ids($res)

Function is used to list active domain IDs on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt active domain ids array for the connection

`libvirt_list_active_domains`

libvirt_list_active_domains($res)

Function is used to list active domain names on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt active domain names array for the connection

`libvirt_list_inactive_domains`

libvirt_list_inactive_domains($res)

Function is used to list inactive domain names on the connection.

`@res [resource]`:	libvirt connection resource
`Returns`:	libvirt inactive domain names array for the connection

`libvirt_list_networks`

libvirt_list_networks($res, $flags)

Function is used to list networks on the connection.

`@res [resource]`:	libvirt connection resource
`@flags [int]`:	flags whether to list active, inactive or all networks (VIR_NETWORKS_{ACTIVE\|INACTIVE\|ALL} constants)
`Returns`:	libvirt network names array for the connection

`libvirt_list_nodedevs`

libvirt_list_nodedevs($res, $cap)

Function is used to list node devices on the connection.

`@res [resource]`:	libvirt connection resource
`@cap [string]`:	optional capability string
`Returns`:	libvirt nodedev names array for the connection

`libvirt_nodedev_get`

libvirt_nodedev_get($res, $name)

Function is used to get the node device by it's name.

`@res [resource]`:	libvirt connection resource
`@name [string]`:	name of the nodedev to get resource
`Returns`:	libvirt nodedev resource

`libvirt_nodedev_capabilities`

libvirt_nodedev_capabilities($res)

Function is used to list node devices by capabilities.

`@res [resource]`:	libvirt nodedev resource
`Returns`:	nodedev capabilities array

`libvirt_nodedev_get_xml_desc`

libvirt_nodedev_get_xml_desc($res)

Function is used to get the node device's XML description.

`@res [resource]`:	libvirt nodedev resource
`Returns`:	nodedev XML description

`libvirt_nodedev_get_information`

libvirt_nodedev_get_information($res)

Function is used to get the node device's information.

`@res [resource]`:	libvirt nodedev resource
`Returns`:	nodedev information array

`libvirt_network_get`

libvirt_network_get($res, $name)

Function is used to get the network resource from name.

`@res [resource]`:	libvirt connection resource
`@name [string]`:	network name string
`Returns`:	libvirt network resource

`libvirt_network_get_bridge`

libvirt_network_get_bridge($res)

Function is used to get the bridge associated with the network.

`@res [resource]`:	libvirt network resource
`Returns`:	bridge name string

`libvirt_network_get_active`

libvirt_network_get_active($res)

Function is used to get the activity state of the network.

`@res [resource]`:	libvirt network resource
`Returns`:	1 when active, 0 when inactive, FALSE on error

`libvirt_network_get_information`

libvirt_network_get_information($res)

Function is used to get the network information.

`@res [resource]`:	libvirt network resource
`Returns`:	network information array

`libvirt_network_set_active`

libvirt_network_set_active($res)

Function is used to set the activity state of the network.

`@res [resource]`:	libvirt network resource
`Returns`:	TRUE if success, FALSE on error

`libvirt_network_get_xml_desc`

libvirt_network_get_xml_desc($res)

Function is used to get the XML description for the network.

`@res [resource]`:	libvirt network resource
`Returns`:	network XML string

`libvirt_version`

libvirt_version($type)

Function is used to get libvirt, driver and libvirt-php version numbers. Can be used for information purposes, for version checking please use libvirt_check_version() defined below.

`@type [string]`:	optional type string to identify driver to look at
`Returns`:	libvirt, type (driver) and connector (libvirt-php) version numbers array

`libvirt_check_version`

libvirt_check_version($major, $minor, $micro, $type)

Function is used to check major, minor and micro (also sometimes called release) versions of libvirt-php or libvirt itself. This could useful when you want your application to support only versions of libvirt or libvirt-php higher than some version specified..

`@major [int]`:	major version number to check for
`@minor [int]`:	minor version number to check for
`@micro [int]`:	micro (also release) version number to check for
`@type [int]`:	type of checking, VIR_VERSION_BINDING to check against libvirt-php binding or VIR_VERSION_LIBVIRT to check against libvirt version
`Returns`:	TRUE if version is equal or higher than required, FALSE if not, FALSE with error [for libvirt_get_last_error()] on unsupported version type check