(PHP 4, PHP 5, PHP 7, PHP 8)
gzwrite — Binary-safe gz-file write
gzwrite() writes the contents of data
to the given gz-file.
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.
Returns the number of (uncompressed) bytes written to the given gz-file stream, or false
on failure.
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. |
Example #1 gzwrite() example
<?php
$string = 'Some information to compress';
$gz = gzopen('somefile.gz','w9');
gzwrite($gz, $string);
gzclose($gz);
?>