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gzseek	gzuncompress

Zlib Functions	Last updated: Mon, 26 Oct 2026

gztell

(PHP 4, PHP 5, PHP 7, PHP 8)

gztell — Tell gz-file pointer read/write position

Description

function gztell(resource $stream): int|false

Gets the position of the given file pointer; i.e., its offset into the uncompressed file stream.

Parameters

stream: The gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen().

Return Values

The position of the file pointer or false if an error occurs.

See Also

gzopen() - Open gz-file
gzseek() - Seek on a gz-file pointer
gzrewind() - Rewind the position of a gz-file pointer

gzseek	gzuncompress

Zlib Functions	Last updated: Mon, 26 Oct 2026