<?php
if ( ! class_exists('PMXE_Zip')){
class PMXE_Zip
{
/**
* Add files and sub-directories in a folder to zip file.
* @param string $folder
* @param ZipArchive|PclZip $zipFile
* @param int $exclusiveLength Number of text to be exclusived from the file path.
*/
private static function folderToZip($folder, &$zipFile, $exclusiveLength, $type = 'zip', $removePath = '') {
$handle = opendir($folder);
if($handle !== false) {
while (false !== $f = readdir($handle)) {
if ($f != '.' && $f != '..') {
$filePath = "$folder/$f";
// Remove prefix from file path before add to zip.
$localPath = substr($filePath, $exclusiveLength);
// Fall back to PclZip if ZipArchive is unavailable.
if( 'zip' === $type ) {
if ( is_file( $filePath ) ) {
$zipFile->addFile( $filePath, $localPath );
} elseif ( is_dir( $filePath ) ) {
// Add sub-directory.
$zipFile->addEmptyDir( $localPath );
self::folderToZip( $filePath, $zipFile, $exclusiveLength );
}
}else{
if( is_file($filePath)) {
$zipFile->add( $filePath, '', $removePath );
}
}
}
}
closedir($handle);
}
}
/**
* Zip a folder (include itself).
* Usage:
* PMXE_Zip::zipDir('/path/to/sourceDir', '/path/to/out.zip');
*
* @param string $sourcePath Path of directory to be zip.
* @param string $outZipPath Path of output zip file.
*/
public static function zipDir($sourcePath, $outZipPath)
{
$pathInfo = pathInfo($sourcePath);
$parentPath = $pathInfo['dirname'];
$dirName = $pathInfo['basename'];
// Fall back to PclZip if ZipArchive is unavailable.
if(class_exists('ZipArchive')){
$z = new ZipArchive();
$z->open($outZipPath, ZIPARCHIVE::CREATE);
$z->addEmptyDir($dirName);
self::folderToZip($sourcePath, $z, strlen("$parentPath/"));
$z->close();
}else{
require_once ABSPATH . 'wp-admin/includes/class-pclzip.php';
$z = new PclZip($outZipPath);
self::folderToZip($sourcePath, $z, strlen("$parentPath/"), 'pcl', $parentPath);
}
}
}
}