Move forgot password link before login button

add_filter( 'wpmem_login_form', function( $form, $action ) {
    global $wpmem;
    if ( 'login' == $action ) {
        
        // HTML for forgot password link will be this in a standard setup.
        $forgot_link_html = '<div class="link-text"><span class="link-text-forgot">Forgot password?&nbsp;<a href="' . add_query_arg( 'a', 'pwdreset', $wpmem->user_pages['profile'] ) . '">Click here to reset</a></span></div>';
        
        // Remove forgot link html from form with str_replace( $old, $new, $string ).
        $form = str_replace( $forgot_link_html, '', $form );
        
        /*
         * Now put the forgot link string into the HTML before the login button.
         * This is the tricky part.  Uses wpmem_get_sub_str() utility which splits
         * a string into parts.  We can use that to split the form html (with the
         * fogot link HTML already extracted above) at the point where the login button is.
         */
        $needle = '<input name="a" type="hidden" value="login" />';
        $haystack = $form;
        $form_parts = wpmem_get_sub_str( $needle, $haystack, 'split', true );

        /*
         * Return the split form HTML with the forgot link html inserted in between
         * (We split it at the form button so everything from the button on to the end
         * is in the "after" portion).
         */
        return $form_parts['before'] . $forgot_link_html . $form_parts['after'];
    }
    
    // If this is not the login form, return the unchanged form.
    return $form;
}, 10, 2);