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<?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;
}
?>
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