(PHP 4, PHP 5, PHP 7, PHP 8)
gztell — Tell gz-file pointer read/write position
$stream): int|falseGets the position of the given file pointer; i.e., its offset into the uncompressed file stream.
streamThe gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen().
The position of the file pointer or false if an error occurs.