ZipArchive::setCompressionIndex

(PHP 7, PECL zip >= 1.13.0)

ZipArchive::setCompressionIndexSet the compression method of an entry defined by its index

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ZipArchive::setCompressionIndex ( int $index , int $comp_method [, int $comp_flags = 0 ] ) : bool

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

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index

Index of the entry.

comp_method

The compression method. Either ZipArchive::CM_DEFAULT, ZipArchive::CM_STORE or ZipArchive::CM_DEFLATE.

comp_flags

Compression flags. Currently unused.

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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->setCompressionIndex(0ZipArchive::CM_STORE);
    
$zip->setCompressionIndex(1ZipArchive::CM_DEFLATE);
    
$zip->close();
    echo 
'ok';
} else {
    echo 
'failed';
}
?>