ASCII naar HTML pre_replace ?

<?php
preg_replace('/[\x00-\x7F]/e', '"&#".ord("$0").";"', $string);
?>

<?php
preg_replace('/[\x00-\x7F]/e', '"&#".ord("$0").";"', $string);
?>

htmlentities('<');

htmlentities('<');

$text = "<h1>HTML & Text</h1>";

$headText = htmlentities($text);

echo $headText;

$text = "<h1>HTML & Text</h1>";
 
$headText = htmlentities($text);
 
echo $headText;

$text = "<h1>HTML & Text</h1>";

$headText = htmlentities($text);

echo $headText;

$text = "<h1>HTML & Text</h1>";
 
$headText = htmlentities($text);
 
echo $headText;