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# gztell

(PHP 3, PHP 4 , PHP 5)

gztell -- Tell gz-file pointer read/write position

## Description

int gztell ( resource zp)

Returns the position of the file pointer referenced by zp; i.e., its offset into the file stream.

If an error occurs, returns `FALSE`.

The file pointer must be valid, and must point to a file successfully opened by gzopen().

See also gzopen(), gzseek() and gzrewind().

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