Added PDOException wrapper to avoid creating dynamic property.

README.md

@@ -59,6 +59,10 @@ It means that composer will look at `master` branch of repository configured und
 
 ## Changelog
 
+### 2024-09-21
+
+- Added wrapper for PDOException to avoid creating dynamic property `queryString`.
+
 ### 2024-07-24
 
 - Csrf vulnerabity fix back ported from Cake PHP 3

lib/Cake/Model/Datasource/DboSource.php

@@ -17,6 +17,7 @@
  */
 
 App::uses('DataSource', 'Model/Datasource');
+App::uses('PDOExceptionWithQueryString', 'Model/Datasource');
 App::uses('CakeText', 'Utility');
 App::uses('View', 'View');
 
@@ -512,12 +513,13 @@ protected function _execute($sql, $params = array(), $prepareOptions = array())
 			}
 			return $query;
 		} catch (PDOException $e) {
+			$wrapperException = new PDOExceptionWithQueryString($e);
 			if (isset($query->queryString)) {
-				$e->queryString = $query->queryString;
+				$wrapperException->queryString = $query->queryString;
 			} else {
-				$e->queryString = $sql;
+				$wrapperException->queryString = $sql;
 			}
-			throw $e;
+			throw $wrapperException;
 		}
 	}
 

lib/Cake/Model/Datasource/PDOExceptionWithQueryString.php

@@ -0,0 +1,17 @@
+<?php
+
+class PDOExceptionWithQueryString extends PDOException {
+
+	public string $queryString = "";
+
+/**
+ * Wrapper for PDOException to avoid creating dynamic property.
+ *
+ * @param PDOException $e Source exception.
+ */
+	public function __construct(PDOException $e) {
+		parent::__construct($e->getMessage(), 0, $e->getPrevious());
+
+		$this->code = $e->code;
+	}
+}