Installation
Interger ranges between libvirt and PHP
Libvirt
PHP Manual

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`VIR_DOMAIN_XML_SECURE` (integer)
`VIR_DOMAIN_XML_INACTIVE` (integer)
`VIR_DOMAIN_NOSTATE` (integer)
`VIR_DOMAIN_RUNNING` (integer)
`VIR_DOMAIN_BLOCKED` (integer)
`VIR_DOMAIN_PAUSED` (integer)
`VIR_DOMAIN_SHUTDOWN` (integer)
`VIR_DOMAIN_SHUTOFF` (integer)
`VIR_DOMAIN_CRASHED` (integer)
`VIR_MEMORY_VIRTUAL` (integer)
`VIR_CRED_USERNAME` (integer)
`VIR_CRED_AUTHNAME` (integer)
`VIR_CRED_LANGUAGE` (integer)
`VIR_CRED_CNONCE` (integer)
`VIR_CRED_PASSPHRASE` (integer)
`VIR_CRED_ECHOPROMPT` (integer)
`VIR_CRED_NOECHOPROMP` (integer)
`VIR_CRED_REALM` (integer)
`VIR_CRED_EXTERNAL` (integer)
`VIR_DOMAIN_JOB_NONE` (integer)
`VIR_DOMAIN_JOB_BOUNDED` (integer)
`VIR_DOMAIN_JOB_UNBOUNDED` (integer)
`VIR_DOMAIN_JOB_COMPLETED` (integer)
`VIR_DOMAIN_JOB_FAILED` (integer)
`VIR_DOMAIN_JOB_CANCELLED` (integer)
`VIR_MIGRATE_LIVE` (integer)
`VIR_MIGRATE_PEER2PEER` (integer)
`VIR_MIGRATE_TUNNELLED` (integer)
`VIR_MIGRATE_PERSIST_DEST` (integer)
`VIR_MIGRATE_UNDEFINE_SOURCE` (integer)
`VIR_MIGRATE_PAUSED` (integer)
`VIR_MIGRATE_NON_SHARED_DISK` (integer)
`VIR_MIGRATE_NON_SHARED_INC` (integer)

Installation
Interger ranges between libvirt and PHP
Libvirt
PHP Manual