gzwrite
(PHP 4, PHP 5, PHP 7, PHP 8)
gzwrite — Binary-safe gz-file write
Description
$stream, string $data, ?int $length = null): int|false
gzwrite() writes the contents of
data to the given gz-file.
Parameters
-
stream -
The gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen().
-
data -
The string to write.
-
length -
The number of uncompressed bytes to write. If supplied, writing will stop after
length(uncompressed) bytes have been written or the end ofdatais reached, whichever comes first.
Return Values
Returns the number of (uncompressed) bytes written to the given gz-file
stream, or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
length is nullable now; previously, the default was
0.
|
| 7.4.0 |
This functions returns false on failure now; previously 0 was returned.
|
Examples
Example #1 gzwrite() example
<?php
$string = 'Some information to compress';
$gz = gzopen('somefile.gz','w9');
gzwrite($gz, $string);
gzclose($gz);
?>

