ldap_close Close link to LDAP server boolldap_close resourcelink_identifier &return.success; ldap_close closes the link to the LDAP server that's associated with the specified link_identifier. This call is internally identical to ldap_unbind. The LDAP API uses the call ldap_unbind, so perhaps you should use this in preference to ldap_close. This function is an alias of ldap_unbind.