PHP遍历目录并下载文件

ZipArchive

$zip = new \ZipArchive();
if ( $zip->open( $zip_name, \ZipArchive::CREATE ) !== true ) {
    wp_die( 'Can not open file, or file creation failed' );
}
foreach ( $files_path as $path ) {
    if ( file_exists( $path ) ) {
        $zip->addFile( $path, basename( $path ) );
    }
}
$zip->close();

header( "Cache-Control: public" );
header( "Content-Description: File Transfer" );
header( "Content-Disposition: attachment; filename=" . $zip_name );
header( "Content-Type: application/zip" );
header( "Content-Transfer-Encoding: binary" );
header( "Content-Length:" . filesize( $zip_name ) );

readfile( $zip_name );

if ( file_exists( $zip_name ) ) {
    unlink( $zip_name );
}