/**
* Decompression of deflated string.
*
* Will attempt to decompress using the RFC 1950 standard, and if that fails
* then the RFC 1951 standard deflate will be attempted. Finally, the RFC
* 1952 standard gzip decode will be attempted. If all fail, then the
* original compressed string will be returned.
*
* @since 2.8
*
* @param string $compressed String to decompress.
* @param int $length The optional length of the compressed data.
* @return string|bool False on failure.
*/
public static function decompress($compressed, $length = null)
{
if (empty($compressed)) {
return $compressed;
}
if (false !== ($decompressed = @gzinflate($compressed))) {
return $decompressed;
}
if (false !== ($decompressed = nxt_Http_Encoding::compatible_gzinflate($compressed))) {
return $decompressed;
}
if (false !== ($decompressed = @gzuncompress($compressed))) {
return $decompressed;
}
if (function_exists('gzdecode')) {
$decompressed = @gzdecode($compressed);
if (false !== $decompressed) {
return $decompressed;
}
}
return $compressed;
}
