PHP file Compression zip extension

<?php function Addfiletozip ($path, $zip) {$handler = Opendir ($path);        Opens the current folder specified by $path. while (($filename = Readdir ($handler))!== false) {if ($filename! = "." && $filename! = "...") {//Folder file name is '. ' and '. ', do not operate on them if (Is_dir ($path. "/" . $filename) {//If an object being read is a folder, the recursive Addfiletozip ($path. "/" .                $filename, $zip); } else {//Add the file to the Zip object $zip->addfile ($path. "/" .                $FILENAME);    }}} @closedir ($path);    } $zip = new ziparchive (); $file =date ("YMD"). ".    Zip "; fopen ($file, ' W '), or//In Windows environment can omit this sentence, but in the LIUNX environment, it is best to add, because in some liunx environment Ziparchive::create 
 Method cannot automatically create files, will Causes file compression to fail. 

    if ($zip->open ($file, ziparchive::create) ===true) {        if (file_exists ($file)) {            addfiletozip (' Test ', $zip); Invokes the method, operates on the root directory to be packaged, and passes the Ziparchive object to the method        }else{            echo "file does not exist";        }        Close the processed zip file        if ($zip->close ()) {                      return true;        } else{            return false;        }     } else {        echo "failed";    }

　　

PHP file Compression zip extension