CODE EXAMPLE FOR PHP

wp logo

/*LOGIN CODE*/
function add_login_logo() { ?>
       <style type="text/css">
      #login-designer-logo, body.login #login h1 a {
    background-image: url(<?php echo get_home_url()?>/wp-content/uploads/2021/07/Logo-Water-Tree.png) !important;
}
   </style>
<?php }
add_action( 'login_enqueue_scripts', 'add_login_logo' );