php recursive zip with less memory
$source = <absolute pathname to directory/file to be zipped> . DIRECTORY_SEPARATOR;
$fileName = "myfiles.zip";
$destination = <absolute pathname to destination directory> . DIRECTORY_SEPARATOR . $fileName;
function zip_files( $source, $destination )
{
$zip = new ZipArchive();
if($zip->open($destination, ZIPARCHIVE::CREATE) === true) {
$source = realpath($source);
if(is_dir($source)) {
$iterator = new RecursiveDirectoryIterator($source);
$iterator->setFlags(RecursiveDirectoryIterator::SKIP_DOTS);
$files = new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::SELF_FIRST);
foreach($files as $file) {
$file = realpath($file);
if(is_dir($file)) {
$zip->addEmptyDir(str_replace($source . DIRECTORY_SEPARATOR, '', $file . DIRECTORY_SEPARATOR));
}elseif(is_file($file)) {
$zip->addFile($file,str_replace($source . DIRECTORY_SEPARATOR, '', $file));
}
}
}elseif(is_file($source)) {
$zip->addFile($source,basename($source));
}
}
return $zip->close();
}