Rename the files in a zip

rename-zip.php

<?php

$zipFile = $argv[1];
$newName = $argv[2];

if (!($zipFile && $newName)) {
   die('You need to specify a zip file to rename and a new filename');
}

$ext = pathinfo($zipFile, PATHINFO_EXTENSION);
if ($ext != 'zip') {
   die('You must provide the name of a zip file');
}

$zip = new ZipArchive;
if ($zip->open($zipFile) === true) {
    mkdir("./tmp-$newName");
    for($i = 0; $i < $zip->numFiles; $i++) {
        $filename = $zip->getNameIndex($i);
        $fileinfo = pathinfo($filename);
        $newFile = sprintf("./tmp-%s/%s-%s.%s", $newName, $newName, $i, $fileinfo['extension']);
        copy("zip://".$zipFile."#".$filename, $newFile);
    }
    $zip->close();
    exec("zip -r $newName.zip tmp-$newName");
    exec("rm -rf tmp-$newName");
}