Posted by Jake on 11/03/07 18:14

Thanks for that. I independently found another solution:

function unichr($c) {
if ($c <= 0x7F) {
return chr($c);
} else if ($c <= 0x7FF) {
return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
} else if ($c <= 0xFFFF) {
return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
} else if ($c <= 0x10FFFF) {
return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
. chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
} else {
return false;
}
}
$text=preg_replace('~&#([0-9]+);~e', 'unichr("\\1")',
html_entity_decode($text));

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