diff --git a/wire/core/Functions.php b/wire/core/Functions.php
index cd731a7c..5fce3a61 100644
--- a/wire/core/Functions.php
+++ b/wire/core/Functions.php
@@ -882,6 +882,8 @@ function wireClassName($className, $withNamespace = false, $verbose = false) {
  * }
  * ~~~~~
  * 
+ * #pw-group-class-helpers
+ * 
  * @param string|object $className
  * @param bool $withClass Include class name in returned namespace? (default=false)
  * @param bool $strict Return array of namespaces if multiple match? (default=false)
diff --git a/wire/core/WireDatabasePDO.php b/wire/core/WireDatabasePDO.php
index 68561a58..8a7d063e 100644
--- a/wire/core/WireDatabasePDO.php
+++ b/wire/core/WireDatabasePDO.php
@@ -641,21 +641,31 @@ class WireDatabasePDO extends Wire implements WireDatabase {
 	protected function ___unknownColumnError($column) { }
 
 	/**
-	 * Log a query, or return logged queries
+	 * Log a query, start/stop query logging, or return logged queries
 	 * 
 	 * - To log a query, provide the $sql argument containing the query (string). 
 	 * - To retrieve the query log, call this method with no arguments. 
 	 * - Note the core only populates the query log when `$config->debug` mode is active.
+	 * - Specify boolean true for $sql argument to reset and start query logging (3.0.173+)
+	 * - Specify boolean false for $sql argument to stop query logging (3.0.173+)
 	 * 
 	 * #pw-group-custom
 	 * 
-	 * @param string $sql Query (string) to log
+	 * @param string $sql Query (string) to log, boolean true to reset/start query logging, boolean false to stop query logging
 	 * @param string $note Any additional debugging notes about the query
-	 * @return array|bool|int Returns query log array, boolean true if added, boolean false if not
+	 * @return array|bool|int Returns query log array, boolean true on success, boolean false if not
 	 * 
 	 */
 	public function queryLog($sql = '', $note = '') {
 		if(empty($sql)) return $this->queryLog;
+		if($sql === true) {
+			$this->debugMode = true; 
+			$this->queryLog = array();
+			return true;
+		} else if($sql === false) {
+			$this->debugMode = false; 
+			return true;
+		}
 		if(!$this->debugMode) return false;
 		if(count($this->queryLog) > $this->queryLogMax) {
 			if(isset($this->queryLog['error'])) {