Comprimir directorio entero

[abimaelrc]

En este artítulo, http://devzone.zend.com/article/2105 existe un buen material para que te puedas desenvolver, específicamente con

Código PHP:

<?PHP
// increase script timeout value
ini_set('max_execution_time', 300);
 
// create object
$zip = new ZipArchive();
 
// open archive 
if ($zip->open('my-archive.zip', ZIPARCHIVE::CREATE) !== TRUE) {
    die ("Could not open archive");
}
 
// initialize an iterator
// pass it the directory to be processed
$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator("app/"));
 
// iterate over the directory
// add each file found to the archive
foreach ($iterator as $key=>$value) {
    $zip->addFile(realpath($key), $key) or die ("ERROR: Could not add file: $key");
}
 
// close and save archive
$zip->close();
echo "Archive created successfully.";
 

Funciona perfecto.