docs: add namespace to User class

Author: kenjis

user_guide_src/source/database/results/003.php

@@ -2,7 +2,7 @@
 
 $query = $db->query('SELECT * FROM users;');
 
-foreach ($query->getResult('User') as $user) {
-    echo $user->name; // access attributes
+foreach ($query->getResult(\App\Entities\User::class) as $user) {
+    echo $user->name;          // access attributes
     echo $user->reverseName(); // or methods defined on the 'User' class
 }

user_guide_src/source/database/results/007.php

@@ -1,7 +1,7 @@
 <?php
 
 $query = $db->query('SELECT * FROM users LIMIT 1;');
-$row   = $query->getRow(0, 'User');
+$row   = $query->getRow(0, \App\Entities\User::class);
 
 echo $row->name; // access attributes
 echo $row->reverse_name(); // or methods defined on the 'User' class

user_guide_src/source/database/results/013.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace App\Entities;
+
 class User
 {
     public $id;

user_guide_src/source/database/results/014.php

@@ -2,7 +2,7 @@
 
 $query = $db->query('YOUR QUERY');
 
-$rows = $query->getCustomResultObject('User');
+$rows = $query->getCustomResultObject(\App\Entities\User::class);
 
 foreach ($rows as $row) {
     echo $row->id;

user_guide_src/source/database/results/015.php

@@ -2,7 +2,7 @@
 
 $query = $db->query('YOUR QUERY');
 
-$row = $query->getCustomRowObject(0, 'User');
+$row = $query->getCustomRowObject(0, \App\Entities\User::class);
 
 if (isset($row)) {
     echo $row->email;               // access attributes

user_guide_src/source/database/results/016.php

@@ -1,3 +1,3 @@
 <?php
 
-$row = $query->getCustomRowObject(0, 'User');
+$row = $query->getCustomRowObject(0, \App\Entities\User::class);