Continue implementing user management

application/views/admin/users/create.php

@@ -11,35 +11,43 @@
 			<h3>Required information</h3>
 			<ul>
 				<li>
-					<?=form_label("Username", 'username');?>
+					<?=form_label(lang('field_username'), 'username');?>
 					<div>
 						<input type="text" name="username" id="username" class="short text" value="<?=set_value('username');?>" />
 						<?=form_error('username')?>
 					</div>
+					<label class="note">Must be between 4 and 20 characters long</label>
 				</li>
 				<li>
-					<?=form_label("Password", 'password');?>
+					<?=form_label(lang('field_email'), 'email');?>
+					<div>
+						<input type="text" name="email" id="email" class="medium text" value="<?=set_value('email');?>" />
+						<?=form_error('email')?>
+					</div>
+				</li>
+				<li>
+					<?=form_label(lang('field_password'), 'password');?>
 					<div>
 						<input type="password" name="password" id="password" class="short text" />
 						<?=form_error('password')?>
 					</div>
 				</li>
 				<li>
-					<?=form_label("Confirm password", 'password2');?>
+					<?=form_label(lang('field_password_confirm'), 'password_confirm');?>
 					<div>
 						<input type="password" name="password_confirm" id="password_confirm" class="short text" />
 						<?=form_error('password_confirm')?>
 					</div>
 				</li>
 				<li>
-					<?=form_label("First name", 'firstname');?>
+					<?=form_label(lang('field_firstname'), 'firstname');?>
 					<div>
 						<input type="text" name="firstname" id="firstname" class="short text" value="<?=set_value('firstname');?>" />
 						<?=form_error('firstname')?>
 					</div>
 				</li>
 				<li>
-					<?=form_label("Last name", 'lastname');?>
+					<?=form_label(lang('field_lastname'), 'lastname');?>
 					<div>
 						<input type="text" name="lastname" id="lastname" class="short text" value="<?=set_value('lastname');?>" />
 						<?=form_error('lastname')?>
@@ -49,12 +57,20 @@
 			<h3>Optional information</h3>
 			<ul>
 				<li>
-					<?=form_label("Institution", 'institution');?>
+					<?=form_label(lang('field_institution'), 'institution');?>
 					<div>
 						<input type="text" name="institution" id="institution" class="medium text" value="<?=set_value('institution');?>" />
 						<?=form_error('institution')?>
 					</div>
 				</li>
+				<li>
+					<?=form_label(lang('field_phone'), 'phone');?>
+					<div>
+						<input type="text" name="phone" id="phone" class="short text" value="<?=set_value('phone');?>" />
+						<?=form_error('phone')?>
+					</div>
+					<label class="note">Example: +49 123 456789</label>
+				</li>
 				<li>
 					<?=form_label("Language", 'language');?>
 					<div>