function HTML_UTF16_UnEscape($HTML_text, $MSB_first)
{
$utf8_text = HTML_UTF8_UnEscape($HTML_text);
return unicode_array_to_UTF16(UTF8_to_unicode_array($utf8_text), $MSB_first);
}
function HTML_UTF8_Escape($UTF8_text)
{
// Ensure that the Unicode UTF8 encoding is valid.
$UTF8_text = UTF8_fix($UTF8_text);
// Change: changed to use smart_htmlspecialchars, so that characters which were already escaped would remain intact, as of revision 1.10
// Escape any special HTML characters present
$UTF8_text = smart_htmlspecialchars($UTF8_text, ENT_QUOTES);
// Convert the UTF-8 string to an array of unicode character numbers
$unicode_array = UTF8_to_unicode_array($UTF8_text);
// Create a string to receive the escaped HTML
$htmloutput = "";
// Cycle through the unicode character numbers
foreach ($unicode_array as $unichar) {
// Check if the character needs to be escaped
if ($unichar >= 0x0 && $unichar <= 0x7f) {
// Character is less than 0x7F - add it to the html as is
$htmloutput .= chr($unichar);
} else {
// Character is greater than 0x7F - escape it and add it to the html
$htmloutput .= "&#x" . dechex($unichar) . ";";
}
}
// Return the resulting escaped HTML
return $htmloutput;
}
