WordPress plugin to open all external file in _blank page

external-link-blank

<?php
/*
Plugin Name: EVE Target _blank + noopener
Plugin URI: https://www.evemilano.com/
Version: 2.9 201904
Description: This plugin put target blank to all external links
Author: Giovanni Sacheli
Author URI: https://www.evemilano.com/about-me/
*/

function eve_blankext() {
	?>
	<script type="text/javascript">
	(function($) {
		jQuery( document ).ready(function() {
			add_target_blank_to_external_links();
			});
	function add_target_blank_to_external_links(){
    $('a[href^="http://"], a[href^="https://"]').not('a[href*="'+location.hostname+'"]').attr({target: "_blank", rel: "noopener"});
	}
	})(jQuery);

	</script>
	<?php
	}
add_action('wp_footer', 'eve_blankext' );

Guida: https://www.evemilano.com/link-esterni-target-blank/