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PHP Manual [gzread]

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PHP Manual || Zlib Functions

(PHP 4, PHP 5, PHP 7)

gzreadBinary-safe gz-file read


gzread ( resource $zp , int $length ) : string

gzread() reads up to length bytes from the given gz-file pointer. Reading stops when length (uncompressed) bytes have been read or EOF is reached, whichever comes first.



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


The number of bytes to read.

Return Values

The data that have been read.


Example #1 gzread() example

// get contents of a gz-file into a string
$filename "/usr/local/something.txt.gz";
$zd gzopen($filename"r");
$contents gzread($zd10000);

See Also

  • gzwrite() - Binary-safe gz-file write
  • gzopen() - Open gz-file
  • gzgets() - Get line from file pointer
  • gzgetss() - Get line from gz-file pointer and strip HTML tags
  • gzfile() - Read entire gz-file into an array
  • gzpassthru() - Output all remaining data on a gz-file pointer

PHP Manual || Zlib Functions