Remove more uses of CRM_Core_DAO::$_nullArray that are unncessary

CRM/Contact/BAO/Contact.php

@@ -369,7 +369,7 @@ public static function &create(&$params, $fixAddress = TRUE, $invokeHooks = TRUE
             'subject' => CRM_Utils_Array::value('subject', $note),
             'contact_id' => $contactId,
           );
-          CRM_Core_BAO_Note::add($noteParams, CRM_Core_DAO::$_nullArray);
+          CRM_Core_BAO_Note::add($noteParams);
         }
       }
       else {
@@ -386,7 +386,7 @@ public static function &create(&$params, $fixAddress = TRUE, $invokeHooks = TRUE
           'subject' => CRM_Utils_Array::value('subject', $params),
           'contact_id' => $contactId,
         );
-        CRM_Core_BAO_Note::add($noteParams, CRM_Core_DAO::$_nullArray);
+        CRM_Core_BAO_Note::add($noteParams);
       }
     }
 

CRM/Contact/BAO/Relationship.php

@@ -1751,7 +1751,7 @@ public static function relatedMemberships($contactId, &$params, $ids, $action =
     AND is_current_member = 1";
             $result = CRM_Core_DAO::singleValueQuery($query);
             if ($result < CRM_Utils_Array::value('max_related', $membershipValues, PHP_INT_MAX)) {
-              CRM_Member_BAO_Membership::create($membershipValues, CRM_Core_DAO::$_nullArray);
+              CRM_Member_BAO_Membership::create($membershipValues);
             }
           }
         }

CRM/Contact/Page/Inline/Website.php

@@ -48,7 +48,7 @@ public function run() {
     $websiteTypes = CRM_Core_PseudoConstant::get('CRM_Core_DAO_Website', 'website_type_id');
 
     $params = ['contact_id' => $contactId];
-    $websites = CRM_Core_BAO_Website::getValues($params, CRM_Core_DAO::$_nullArray);
+    $websites = CRM_Core_BAO_Website::getValues($params);
     if (!empty($websites)) {
       foreach ($websites as $key => & $value) {
         $value['website_type'] = $websiteTypes[$value['website_type_id']];

CRM/Contribute/BAO/Contribution.php

@@ -705,7 +705,7 @@ public static function lookupValue(&$defaults, $property, &$lookup, $reverse) {
    *
    * @return CRM_Contribute_BAO_Contribution
    */
-  public static function retrieve(&$params, &$defaults, &$ids) {
+  public static function retrieve(&$params, &$defaults = [], &$ids = []) {
     $contribution = CRM_Contribute_BAO_Contribution::getValues($params, $defaults, $ids);
     return $contribution;
   }

CRM/Contribute/BAO/ContributionSoft.php

@@ -168,8 +168,9 @@ public static function formatSoftCreditParams(&$params, &$form) {
         $honorId = CRM_Utils_Array::value(0, $ids);
       }
 
+      $null = [];
       $honorId = CRM_Contact_BAO_Contact::createProfileContact(
-        $params['honor'], CRM_Core_DAO::$_nullArray,
+        $params['honor'], $null,
         $honorId, NULL,
         $form->_values['honoree_profile_id']
       );

CRM/Core/BAO/Website.php

@@ -153,7 +153,7 @@ public static function del($id) {
    *
    * @return bool
    */
-  public static function &getValues(&$params, &$values) {
+  public static function &getValues(&$params = [], &$values = []) {
     $websites = [];
     $website = new CRM_Core_DAO_Website();
     $website->contact_id = $params['contact_id'];

CRM/Event/BAO/Participant.php

@@ -161,7 +161,7 @@ public static function &add(&$params) {
    *
    * @return CRM_Event_BAO_Participant|null the found object or null
    */
-  public static function getValues(&$params, &$values, &$ids) {
+  public static function getValues(&$params, &$values = [], &$ids = []) {
     if (empty($params)) {
       return NULL;
     }

CRM/Event/Form/ParticipantFeeSelection.php

@@ -244,7 +244,7 @@ public function postProcess() {
     // email sending
     if (!empty($params['send_receipt'])) {
       $fetchParticipantVals = ['id' => $this->_participantId];
-      CRM_Event_BAO_Participant::getValues($fetchParticipantVals, $participantDetails, CRM_Core_DAO::$_nullArray);
+      CRM_Event_BAO_Participant::getValues($fetchParticipantVals, $participantDetails);
       $participantParams = array_merge($params, $participantDetails[$this->_participantId]);
       $mailSent = $this->emailReceipt($participantParams);
     }

CRM/Financial/BAO/FinancialTypeAccount.php

@@ -51,7 +51,7 @@ public function __construct() {
    *
    * @return CRM_Contribute_BAO_ContributionType
    */
-  public static function retrieve(&$params, &$defaults, &$allValues = []) {
+  public static function retrieve(&$params, &$defaults = [], &$allValues = []) {
     $financialTypeAccount = new CRM_Financial_DAO_EntityFinancialAccount();
     $financialTypeAccount->copyValues($params);
     $financialTypeAccount->find();

CRM/Financial/BAO/Payment.php

@@ -492,7 +492,7 @@ public static function recordPayment($contributionId, $trxnData, $participantId)
   protected static function getContributionAndParamsInFormatForRecordFinancialTransaction($contributionId) {
     $getInfoOf['id'] = $contributionId;
     $defaults = [];
-    $contributionDAO = CRM_Contribute_BAO_Contribution::retrieve($getInfoOf, $defaults, CRM_Core_DAO::$_nullArray);
+    $contributionDAO = CRM_Contribute_BAO_Contribution::retrieve($getInfoOf, $defaults);
 
     // build params for recording financial trxn entry
     $params['contribution'] = $contributionDAO;

CRM/Financial/Page/FinancialType.php

@@ -121,7 +121,8 @@ public function browse() {
 
       $params['entity_id'] = $dao->id;
       $params['entity_table'] = 'civicrm_financial_type';
-      CRM_Financial_BAO_FinancialTypeAccount::retrieve($params, CRM_Core_DAO::$_nullArray, $financialAccountIds);
+      $null = [];
+      CRM_Financial_BAO_FinancialTypeAccount::retrieve($params, $null, $financialAccountIds);
 
       foreach ($financialAccountIds as $key => $values) {
         if (!empty($financialAccounts[$values['financial_account_id']])) {

CRM/Member/BAO/Membership.php

@@ -261,7 +261,7 @@ public static function &getValues(&$params, &$values, $active = FALSE, $relatedM
    *
    * @return CRM_Member_BAO_Membership|CRM_Core_Error
    */
-  public static function create(&$params, &$ids, $skipRedirect = FALSE) {
+  public static function create(&$params, &$ids = [], $skipRedirect = FALSE) {
     // always calculate status if is_override/skipStatusCal is not true.
     // giving respect to is_override during import.  CRM-4012
 

CRM/Price/BAO/LineItem.php

@@ -119,7 +119,7 @@ public static function create(&$params) {
    *
    * @return CRM_Price_BAO_LineItem
    */
-  public static function retrieve(&$params, &$defaults) {
+  public static function retrieve(&$params = [], &$defaults = []) {
     $lineItem = new CRM_Price_BAO_LineItem();
     $lineItem->copyValues($params);
     if ($lineItem->find(TRUE)) {
@@ -1277,7 +1277,7 @@ protected function addFinancialItemsOnLineItemChange($isCreateAdditionalFinancia
         $tempFinancialTrxnID = ['id' => $adjustedTrxn->id];
       }
     }
-    $lineObj = CRM_Price_BAO_LineItem::retrieve($lineParams, CRM_Core_DAO::$_nullArray);
+    $lineObj = CRM_Price_BAO_LineItem::retrieve($lineParams);
     // insert financial items
     // ensure entity_financial_trxn table has a linking of it.
     CRM_Financial_BAO_FinancialItem::add($lineObj, $updatedContribution, NULL, $tempFinancialTrxnID);

CRM/Utils/Mail/Incoming.php

@@ -497,9 +497,7 @@ public static function getContactID($email, $name = NULL, $create = TRUE, &$mail
 
     CRM_Utils_String::extractName($name, $params);
 
-    return CRM_Contact_BAO_Contact::createProfileContact($params,
-      CRM_Core_DAO::$_nullArray
-    );
+    return CRM_Contact_BAO_Contact::createProfileContact($params);
   }
 
 }

CRM/Utils/String.php

@@ -295,7 +295,7 @@ public static function regex($str, $regexRules) {
       }
       return $match;
     }
-    return CRM_Core_DAO::$_nullArray;
+    return [];
   }
 
   /**

tests/phpunit/api/v3/ContributionTest.php

@@ -3764,7 +3764,7 @@ public function _addPaymentInstrument() {
       'account_relationship' => $relationTypeId,
       'financial_account_id' => 7,
     );
-    CRM_Financial_BAO_FinancialTypeAccount::add($financialParams, CRM_Core_DAO::$_nullArray);
+    CRM_Financial_BAO_FinancialTypeAccount::add($financialParams);
     $this->assertNotEmpty($optionValue['values'][$optionValue['id']]['value']);
     return $optionValue['values'][$optionValue['id']]['value'];
   }