/**
* Get an instance of the LDAP object
*
* @return LDAP
*/
protected function getLdap()
{
$now = time();
if ($this->connectionLastUsed && $this->ldap && $now - $this->connectionLastUsed > self::RESET_TIMEOUT) {
$this->ldap->close();
$this->ldap = null;
}
$this->connectionLastUsed = $now;
if (!empty($this->ldap)) {
return $this->ldap;
}
$this->ldap = new Ldap($this->ldapUrl);
$this->ldap->setOption(Ldap::OPT_NETWORK_TIMEOUT, 10);
$this->ldap->bind($this->ldapBindUser, $this->ldapBindPassword);
return $this->ldap;
}
