ZipArchive::setCompressionName

(PHP 7, PECL zip >= 1.13.0)

ZipArchive::setCompressionNameSet the compression method of an entry defined by its name

Description

public ZipArchive::setCompressionName ( string $name , int $comp_method [, int $comp_flags = 0 ] ) : bool

Set the compression method of an entry defined by its name.

Parameters

name

Name of the entry.

comp_method

The compression method, one of the ZipArchive::CM_* constants.

comp_flags

Compression level.

Return Values

Returns true on success or false on failure.

Examples

Example #1 Add files with different compression methods to an archive

<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
    $zip->addFromString('foo', 'Some text');
    $zip->addFromString('bar', 'Some other text');
    $zip->setCompressionName('foo', ZipArchive::CM_STORE);
    $zip->setCompressionName('bar', ZipArchive::CM_DEFLATE);
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>

Example #2 Add file and set compression method

<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
    $zip->addFile('foo.jpg', 'bar.jpg');
    $zip->setCompressionName('bar.jpg', ZipArchive::CM_XZ);
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>

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https://www.php.net/manual/en/ziparchive.setcompressionname.php