Retrieving Files

This extracts all entries.
<?php
$zip = new ZipArchive;
if ($zip->open('test.zip') === TRUE) {
    $zip->extractTo('.');
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>
This extracts two entries.
<?php
$zip = new ZipArchive;
$res = $zip->open('test_im.zip');
if ($res === TRUE) {
    $zip->extractTo('/myFolder/',array('a.gif', 'b.php'));
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>