PHP Manual
Zlib 函数
Tell gz-file pointer read/write position

gztell

(PHP 4, PHP 5, PHP 7)

gztell — Tell gz-file pointer read/write position

说明

gztell ( resource $zp ) : int

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

参数

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

返回值

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

参见

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

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