<?php

/*
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
@param two arguments :
1. html files to include in front
   - can be a string of 1 filename
   - or an array of strings of filenames
   ( https://stackoverflow.com/q/4747876/9497573 )
2. list of variables to make available to this files
   - in the form of key => val
   - recommanded to do it with compact()
ex: create_html( "file.html", compact("var1","var2",) );
ex: create_html( array("file1.html", "file2.html"), array("var1"=>"value") );
@return a string of html code

using ob_start() and ob_get_clean()
allows to have php expansion inside the html loaded
in opposition to the methode file_get_contents()

https://stackoverflow.com/a/4402045/9497573
*/
function create_html($files, $vars) {
	$files = (array)$files;

	$html_dir = plugin_dir_path(__DIR__).'html/';
	extract($vars);

	ob_start();
	foreach($files as $file) {
		include($html_dir.$file);
	}
	$html = ob_get_clean();

	return $html;
}

?>