Shortcode return function with link href inside PHP

You can use ob_start and ob_get_clean to print out your shortcode.

function shortcode_html()

     ob_start(); ?>

    <div class="boxed max-width">
        <div class="indice-title">
            <span><?php echo $content; ?></span>
            <i class="fa fa-twitter" aria-hidden="true"></i>
        </div>
    </div> <?php

    return ob_get_clean();
}
add_shortcode( 'print_shortcode', 'shortcode_html' );