If you don't have the multibyte extension installed, here's a function to decode UTF-16 encoded strings. It support both BOM-less and BOM'ed strings, (big- and little-endian byte order.)
<?php
function utf16_decode( $str ) {
if( strlen($str) < 2 ) return $str;
$bom_be = true;
$c0 = ord($str{0});
$c1 = ord($str{1});
if( $c0 == 0xfe && $c1 == 0xff ) { $str = substr($str,2); }
elseif( $c0 == 0xff && $c1 == 0xfe ) { $str = substr($str,2); $bom_be = false; }
$len = strlen($str);
$newstr = '';
for($i=0;$i<$len;$i+=2) {
if( $bom_be ) { $val = ord($str{$i}) << 4; $val += ord($str{$i+1}); }
else { $val = ord($str{$i+1}) << 4; $val += ord($str{$i}); }
$newstr .= ($val == 0x228) ? "\n" : chr($val);
}
return $newstr;
}
?>
