diff --git a/functions.php b/functions.php
index 6d84cf1..d21638d 100644
--- a/functions.php
+++ b/functions.php
@@ -1,5 +1,30 @@
 <?php
 
+/**
+ * Basic logging function for debugging. Allows passing of an object or array for the $data paramater
+ *
+ * Set the CUSTOM_DEBUG_LOG file in wp-config.php
+ *
+ */
+function log_to_file($message, $data = false){
+    if ($message) {
+        $log_File = CUSTOM_DEBUG_LOG;
+
+        $date = new DateTime();
+        $date = $date->format("Y/m/d h:i:s");
+
+        // Convert arrays and objects to JSON format
+        if (is_array($data) || is_object($data)) {
+            $data = json_encode($data, JSON_PRETTY_PRINT);
+            $message = $message . "\r\n" . $data;
+        } else if ($data) {
+            $message = $message . " " . $data;
+        }
+
+        error_log("[$date] " . $message ."\r\n",3,$log_File);
+    }
+}
+
 function quiztech_theme_enqueue_scripts() {
     // List of Quiztech custom page templates
     $quiztech_templates = [
@@ -220,7 +245,7 @@ function quiztech_handle_credit_purchase_submission() {
             'purchase_status' => 'error',
             'message' => urlencode( __( 'Security check failed. Please try again.', 'quiztech' ) )
         ), $manage_credits_url ); // Use the stored URL
-        error_log("Stripe - Security check failed. Please try again");
+        log_to_file("Stripe - Security check failed. Please try again");
         wp_safe_redirect( $redirect_url );
         exit;
     }
@@ -231,7 +256,7 @@ function quiztech_handle_credit_purchase_submission() {
             'purchase_status' => 'error',
             'message' => urlencode( __( 'You do not have permission to purchase credits.', 'quiztech' ) )
         ), $manage_credits_url );
-        error_log("Stripe - You do not have permission to purchase credits");
+        log_to_file("Stripe - You do not have permission to purchase credits");
         wp_safe_redirect( $redirect_url );
         exit;
     }
@@ -248,7 +273,7 @@ function quiztech_handle_credit_purchase_submission() {
             'purchase_status' => 'error',
             'message' => urlencode( __( 'Invalid credit package selected.', 'quiztech' ) )
         ), $manage_credits_url );
-        error_log("Stripe - Invalid credit package selected");
+        log_to_file("Stripe - Invalid credit package selected");
         wp_safe_redirect( $redirect_url );
         exit;
     }
@@ -265,7 +290,7 @@ function quiztech_handle_credit_purchase_submission() {
                 'purchase_status' => 'error',
                 'message' => urlencode( $result->get_error_message() )
             ), $manage_credits_url );
-            error_log("Stripe - Error: {$result->get_error_message()}");
+            log_to_file("Stripe - Error: {$result->get_error_message()}");
             wp_safe_redirect( $redirect_url );
             exit;
         }
@@ -280,7 +305,7 @@ function quiztech_handle_credit_purchase_submission() {
             'purchase_status' => 'error',
             'message' => urlencode( __( 'Credit purchase functionality is currently unavailable.', 'quiztech' ) )
         ), get_permalink() );
-        error_log("Stripe - Credit purchase functionality is currently unavailable");
+        log_to_file("Stripe - Credit purchase functionality is currently unavailable");
         wp_safe_redirect( $redirect_url );
         exit;
     }