gzwrite

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

gzwriteBinary-safe gz-file write

Description

gzwrite(resource $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 of data is 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);
?>

See Also

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