Get all error messages with get_error_messages().

git-svn-id: http://svn.automattic.com/wordpress/trunk@3679 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -215,8 +215,7 @@ case 'add-user' :
 	require_once( ABSPATH . WPINC . '/registration-functions.php');
 	$user_id = add_user();
 	if ( is_wp_error( $user_id ) ) {
-		foreach( $user_id->get_error_codes() as $code)
-                        foreach( $user_id->get_error_messages($code) as $message )
+		foreach( $user_id->get_error_messages() as $message )
 			echo "$message<br />";
 	exit;
 	} elseif ( !$user_id ) {

wp-admin/profile-update.php

@@ -10,8 +10,7 @@ if ( !$_POST )
 $errors = edit_user($user_ID);
 
 if ( is_wp_error( $errors ) ) {
-	foreach( $errors->get_error_codes() as $code)
-		foreach( $errors->get_error_messages($code) as $message )
+	foreach( $errors->get_error_messages() as $message )
 		echo "$message<br />";
 	exit;
 }

wp-admin/user-edit.php

@@ -63,8 +63,7 @@ if (!current_user_can('edit_users'))
 <div class="error">
 	<ul>
 	<?php
-	foreach( $errors->get_error_codes() as $code)
-		foreach( $errors->get_error_messages($code) as $message )
+	foreach( $errors->get_error_messages() as $message )
 		echo "<li>$message</li>";
 	?>
 	</ul>

wp-admin/users.php

@@ -195,8 +195,7 @@ default:
 	<div class="error">
 		<ul>
 		<?php
-		foreach( $errors->get_error_codes() as $code)
-			foreach( $errors->get_error_messages($code) as $message )
+			foreach ( $errors->get_error_messages() as $message )
 				 echo "<li>$message</li>";
 		?>
 		</ul>

wp-includes/classes.php

@@ -363,7 +363,16 @@ class WP_Error {
 		return $codes[0];	
 	}
 
-	function get_error_messages($code) {
+	function get_error_messages($code = '') {
+		// Return all messages if no code specified.
+		if ( empty($code) ) {
+			$all_messages = array();
+			foreach ( $this->errors as $code => $messages )
+				$all_messages = array_merge($all_messages, $messages);
+
+			return $all_messages;
+		}
+
 		if ( isset($this->errors[$code]) )
 			return $this->errors[$code];
 		else