codejobs - Create a Zip file - PHP

zip.php

<?php
function createZip($files = array(), $destination = NULL, $overwrite = FALSE) {  
    if(file_exists($destination) and !$overwrite) { 
	    return FALSE; 
	}  
      
    $validFiles = array();  
      
    if(is_array($files)) {    
        foreach($files as $file) {    
            if(file_exists($file)) {  
                $validFiles[] = $file;  
            }  
        }  
    }  
     
    if(count($validFiles)) {    
        $Zip = new ZipArchive();
          
        if(!$Zip->open($destination, $overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE)) {  
            return FALSE;  
        }  
         
        foreach($validFiles as $file) {  
            $Zip->addFile($file, $file);  
        }  
 
        $Zip->close();  
  
        return file_exists($destination);  
    } else {  
        return false;  
    }  
} 

function unzipFile($file, $destination) {  
    $Zip = new ZipArchive();  
    
    if(!$Zip->open($file)) {  
        die("Could not open archive");  
    }  
      
    $Zip->extractTo($destination);  
    $Zip->close();  
}  
?>