Create a Zip File using PHP

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Credits and Source: http://www.dreamincode.net/

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Name: Create a zip file in PHP
Description: This is a snippet for creating a zip file with PHP using the ZipArchive class
Snippet:

PHP Code:

function zip_files($files_to_add = array(), $save_to = '', $overwrite_existing = false)
{
    //if the file already exists and overwrite is
    //set to false then return false and get out
    if(file_exists($save_to) && !$overwrite_existing)
    {
        return false;
    }
    
    //now on to the action
    $files = array();
    
    //check for an array
    if(is_array($files_to_add))
    {
        //loop through each file in the array
        foreach($files_to_add as $valid_file)
        {
            //if the file exists then add to the file array
            if(file_exists($valid_file))
            {
                $files[] = $valid_file
            }
            
            //check the count of files
            if(count($files))
            {
                //create a new zip archive object
                $zip_archive = new ZipArchive();
                
                //open zip archive for modifying and check for a value
                //of true with the modes specified
                if($zip_archive->open($save_to, $overwrite_existing ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) != true)
                {
                    return false;
                }
                
                //loop through the file array
                //adding each file to the new zip archive
                foreach($files as $file)
                {
                    $zip_archive->addFile($file, $valid_file);
                }
                
                //close the zip archive
                $zip_archive->close();
                
                //finally make sure the new zip file exists
                return((file_exists($save_to)) ? true : false);
            }
        }
    }
}

//Example usage

$my_files = array('File1.txt','File2.txt','File3.txt');

$zip = zipFiles($my_files,'MyZipFile.zip');

if(!$zip)
{
    echo('There was a problem creating the zip file');
}
else
{
    echo('Zip file created!');
} 


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Instructions: Requirements:

PHP 4:
The bundled PHP 4 version requires » ZZIPlib, by Guido Draheim, version 0.10.6 or later

PHP 5.2.0 or later:
This extension uses the functions of » zlib by Jean-loup Gailly and Mark Adler.

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Thankyou for reading. Be happy always