Initial fix for merge_users calls to wp_delete_user interfering with ajax calls

@@ -25,6 +25,7 @@ use WP_User;
 const OPTION_NAME       = "user_options";
 const CAPABILITY        = "manage_cbv_users";
 
+
 CBV\load('Invoice');
 CBV\load('User');
 Tools\import('HTML');
@@ -1029,6 +1030,8 @@ HTML;
 			}
 
 			$unchanged_html = '';
+			$html = '';
+			$remove_user_html = '';
 			$from_user = new User\Account($_POST['merge_user_from']);
 			$to_user = new User\Account($_POST['merge_user_to']);
 			$to_user_array = array();
@@ -1064,11 +1067,15 @@ HTML;
 
 			// Delete the old user if the checkbox is set
 			if (isset($_POST['delete_old_user']) && $_POST['delete_old_user'] == 'yes') {
-				@wp_delete_user($from_user->ID);
+				$username = $from_user->user_login;
+				if (@wp_delete_user($from_user->ID)) {
+					$remove_user_html = "<h6>Deleted user $username.</h6>";
+				} else {
+					$remove_user_html = '<h6>Could not delete user.</h6>';
+				}
 			}
 
 			// Build a set of nested html lists that display the fields (goes 3 levels deep; bloody ugly, but works)
-			$html = '';
 			foreach ($to_user_array as $key => $val) {
 				$html_l2 = '';
 				if (is_array($val)) {
@@ -1090,7 +1097,21 @@ HTML;
 					$html .= "<li>$key: $val</li>";
 				}
 			}
-			$html = $unchanged_html . '<h6>Changed:</h6><ul>' . $html . '</ul>';
+
+			if (! empty($remove_user_html)) {
+				$initial = $remove_user_html;
+			} else {
+				$initial = $unchanged_html;
+			}
+			$html = //'<h4><a href="/wp-admin/admin-ajax.php?ajax=yes&action=build_user_remove&uid=' .
+					//$from_user->ID .
+					//'" rel="' . 
+					//$from_user->ID .
+					//'" class="remove-user">Remove old user</a></h4>' .
+					$initial .
+					'<h6>Changed:</h6><ul>' .
+					$html .
+					'</ul>';
 
 			$return = array(
 				'success' => 'true',

@@ -130,6 +130,7 @@ h4 {
 				<input type="hidden" value="from" name="which_user_search" />
 				<input type="hidden" value="no" name="do_search" />
 				<input type="hidden" value="no" name="do_merge" />
+				<input type="hidden" value="0" name="uid" />
 				<input type="checkbox" value="yes" name="delete_old_user" />
 				<label for="delete_old_user">Delete old user?</label>
                 <input type="button" value="Merge Users" name="btn_merge" />