zip-archive-directory.php

<?php
/**
 * PHP script for zip directory recursive function
 */ 
//source: http://ramui.com/articles/php-zip-files-and-directory.html

function recurse_zip($src,&$zip,$path_length) {
        $dir = opendir($src);
        while(false !== ( $file = readdir($dir)) ) {
            if (( $file != '.' ) && ( $file != '..' )) {
                if ( is_dir($src . '/' . $file) ) {
                    recurse_zip($src . '/' . $file,$zip,$path_length);
                }
                else {
                    $zip->addFile($src . '/' . $file,substr($src . '/' . $file,$path_length));
                }
            }
        }
        closedir($dir);
}
//Call this function with argument = absolute path of file or directory name.
function compress($src){
        if(substr($src,-1)==='/') {
          $src=substr($src,0,-1);
        }
        
        $arr_src=explode('/',$src);
        $filename=end($src);
        unset($arr_src[count($arr_src)-1]);
        $path_length=strlen(implode('/',$arr_src).'/');
        $f=explode('.',$filename);
        $filename=$f[0];
	   $filename=(($filename=='')? 'backup.zip' : $filename.'.zip'); 

        
        $zip = new ZipArchive;
        $res = $zip->open($filename, ZipArchive::CREATE);
        if($res !== TRUE){
                echo 'Error: Unable to create zip file';
                exit;}
        if(is_file($src)){
			$zip->addFile($src,substr($src,$path_length));
		} else {
                if(!is_dir($src)) {
                     $zip->close();
                     @unlink($filename);
                     echo 'Error: File not found';
                     exit;
				}
        	recurse_zip($src,$zip,$path_length);
		}
        $zip->close();
        header("Location: $filename");
        exit;
}


?>