Code cleanup

CRM/Core/Payment/MJWIPNTrait.php

@@ -94,10 +94,12 @@ trait CRM_Core_Payment_MJWIPNTrait {
    * If not set, we respect the value set on the ContributionRecur entity (for recurring contributions)
    * or the value set on the ContributionPage entity (for non-recurring contributions).
    *
+   * @param int $contributionID
+   *
    * @return int
    * @throws \CiviCRM_API3_Exception
    */
-  public function getSendEmailReceipt($contributionId) {
+  public function getSendEmailReceipt(int $contributionID) {
     if (isset($this->is_email_receipt)) {
       return (int) $this->is_email_receipt;
     }
@@ -117,7 +119,7 @@ trait CRM_Core_Payment_MJWIPNTrait {
       try {
         $this->is_email_receipt = \Civi\Api4\Contribution::get(FALSE)
           ->addSelect('contribution_page.is_email_receipt')
-          ->addWhere('id', '=', $contributionId)
+          ->addWhere('id', '=', $contributionID)
           ->execute()
           ->first()['contribution_page.is_email_receipt'] ?? 0;
       }