Add all php scripts and text files from current directory
<?php
$zip = new ZipArchive();
$ret = $zip->open('application.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE);
if ($ret !== TRUE) {
printf('Failed with code %d', $ret);
} else {
$directory = realpath('.');
$options = array('add_path' => 'sources/', 'remove_path' => $directory);
$zip->addPattern('/\.(?:php|txt)$/', $directory, $options);
$zip->close();
}
?>