OneLogin_Saml2_Settings::isStrict PHP Method

    public function isStrict()
    {
        return $this->_strict;
    }

 /**
  * Gets the NameID Data provided by the SAML response from the IdP.
  *
  * @return array Name ID Data (Value, Format, NameQualifier, SPNameQualifier)
  */
 public function getNameIdData()
 {
     $encryptedIdDataEntries = $this->_queryAssertion('/saml:Subject/saml:EncryptedID/xenc:EncryptedData');
     if ($encryptedIdDataEntries->length == 1) {
         $encryptedData = $encryptedIdDataEntries->item(0);
         $key = $this->_settings->getSPkey();
         $seckey = new XMLSecurityKey(XMLSecurityKey::RSA_1_5, array('type' => 'private'));
         $seckey->loadKey($key);
         $nameId = OneLogin_Saml2_Utils::decryptElement($encryptedData, $seckey);
     } else {
         $entries = $this->_queryAssertion('/saml:Subject/saml:NameID');
         if ($entries->length == 1) {
             $nameId = $entries->item(0);
         }
     }
     $nameIdData = array();
     if (!isset($nameId)) {
         $security = $this->_settings->getSecurityData();
         if ($security['wantNameId']) {
             throw new Exception("Not NameID found in the assertion of the Response");
         }
     } else {
         if ($this->_settings->isStrict() && empty($nameId->nodeValue)) {
             throw new Exception("An empty NameID value found");
         }
         $nameIdData['Value'] = $nameId->nodeValue;
         foreach (array('Format', 'SPNameQualifier', 'NameQualifier') as $attr) {
             if ($nameId->hasAttribute($attr)) {
                 if ($this->_settings->isStrict() && $attr == 'SPNameQualifier') {
                     $spData = $this->_settings->getSPData();
                     $spEntityId = $spData['entityId'];
                     if ($spEntityId != $nameId->getAttribute($attr)) {
                         throw new Exception("The SPNameQualifier value mistmatch the SP entityID value.");
                     }
                 }
                 $nameIdData[$attr] = $nameId->getAttribute($attr);
             }
         }
     }
     return $nameIdData;
 }