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✏️ Editing: class-ss-create-zip-archive.php

<?php
namespace Simply_Static;

require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );

/**
 * Class which handles the archive task.
 */
class Create_Zip_Archive_Task extends Task {

/**
	 * Task name.
	 *
	 * @var string
	 */
	protected static $task_name = 'create_zip_archive';

/**
	 * Performing the action.
	 *
	 * @return string|bool
	 */
	public function perform() {
		$download_url = $this->create_zip();

if ( is_wp_error( $download_url ) ) {
			return $download_url;
		} else {
			$message = __( 'ZIP archive created: ', 'simply-static' );
			$message .= ' <a href="' . $download_url . '">' . __( 'Click here to download', 'simply-static' ) . '</a>';
			$this->save_status_message( $message );
			return true;
		}
	}

/**
	 * Create a ZIP file using the archive directory
	 *
	 * @return string|WP_Error $temporary_zip The path to the archive zip file.
	 */
	public function create_zip() {
		$temp_dir = $this->options->get( 'temp_files_dir' );

// check if temp directory is empty, if not delete old zip files.
		$temp_dir_empty = ! ( new \FilesystemIterator( $temp_dir ) )->valid();

if ( ! $temp_dir_empty ) {
			foreach ( new \DirectoryIterator( $temp_dir ) as $file ) {
				if ( ! $file->isDir() ) {
					unlink( $file->getPathname() );
				}
			}
		}

// Now we are creating a new zip file.
		$archive_dir  = $this->options->get_archive_dir();
		$zip_filename = untrailingslashit( $archive_dir ) . '.zip';
		$zip_archive  = new \PclZip( $zip_filename );

Util::debug_log( 'Fetching list of files to include in zip' );

$files    = array();
		$iterator = new \RecursiveIteratorIterator( new \RecursiveDirectoryIterator( $archive_dir, \RecursiveDirectoryIterator::SKIP_DOTS ) );

foreach ( $iterator as $file_name => $file_object ) {
			$files[] = realpath( $file_name );
		}

Util::debug_log( 'Creating zip archive' );

if ( $zip_archive->create( $files, PCLZIP_OPT_REMOVE_PATH, $archive_dir ) === 0 ) {
			return new \WP_Error( 'create_zip_failed', __( 'Unable to create ZIP archive', 'simply-static' ) );
		}

$download_url = Util::abs_path_to_url( $zip_archive->zipname );
		return $download_url;
	}
}

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