Something

<?php
echo '<?xml version="1.0" encoding="iso-8859-15" ?>';
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
echo '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it" lang="it">';
echo '<head>';
echo '<title>::: [ Test special chars ] :::</title>';
echo '<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-15" />';
echo '</head>';
echo '<body>';


$test = 'to build the market’s';
$test = htmlentities($test, ENT_COMPAT, 'iso-8859-15');
var_dump($test);
//echo $test;
echo '</body></html>';

?>