Massive user_level fix. We were still using the user_level field in wp_users in some places, where we should just use the table prefixed usermeta value.

git-svn-id: http://svn.automattic.com/wordpress/trunk@2702 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/registration-functions.php

@@ -0,0 +1,32 @@
+<?php
+
+function username_exists( $username ) {
+	global $wpdb;
+	$username = sanitize_user( $username );
+	$query = "SELECT user_login FROM $wpdb->users WHERE user_login = '$username'";
+	$query = apply_filters('username_exists', $query);
+	return $wpdb->get_var( $query );
+}
+
+function create_user( $username, $password, $email, $user_level ) {
+	global $wpdb;
+	$username = $wpdb->escape( $username );
+	$email    = $wpdb->escape( $email );
+	$password = md5( $password );
+	$user_nicename = sanitize_title( $username );
+	$now = gmdate('Y-m-d H:i:s');
+
+	$query = "INSERT INTO $wpdb->users 
+		(user_login, user_pass, user_email, user_registered, user_nicename, display_name)
+	VALUES 
+		('$username', '$password', '$email', '$now', '$user_nicename', '$username')";
+	$query = apply_filters('create_user_query', $query);
+	$wpdb->query( $query );
+	$user_id = $wpdb->insert_id;
+
+	$user_level = (int) $user_level;
+	update_usermeta( $user_id, $wpdb->prefix . 'user_level', $user_level);
+	return $user_id;
+}
+
+?>