Modify the user guide of the insert() method to include the second parameter

user_guide_src/source/models/model.rst

@@ -311,14 +311,18 @@ Saving Data
 insert()
 --------
 
-An associative array of data is passed into this method as the only parameter to create a new
-row of data in the database. The array's keys must match the name of the columns in a ``$table``, while
-the array's values are the values to save for that key:
+The first parametre is an associative array of data to create a new row of data in the database. 
+If an object is passed instead of an array, it will attempt to convert it to an array.
 
-.. literalinclude:: model/015.php
+The array's keys must match the name of the columns in the ``$table``, while the array's values are the values to save for that key.
+
+The optional second parameter is of type boolean, and if it is set to false, the method will return a boolean value, 
+which indicates the success or failure of the query.
 
 You can retrieve the last inserted row's primary key using the ``getInsertID()`` method.
 
+.. literalinclude:: model/015.php
+
 update()
 --------
 

user_guide_src/source/models/model/015.php

@@ -5,4 +5,11 @@
     'email'    => 'd.vader@theempire.com',
 ];
 
+// Inserts data and returns inserted row's primary key
 $userModel->insert($data);
+
+// Inserts data and returns true on success and false on failure
+$userModel->insert($data, false);
+
+// Returns inserted row's primary key
+$userModel->getInsertID();