Creating ZIP File with PHP

This post helps you to create a ZIP file using PHP, Arun had coded a few lines of script that system converts the selected files into ZIP file format. It is useful for ecommerce web projects like selling PDFs, Images and Docs ect, use can choose files and download it into compressed format. Take a look at this live demo.

Download Script     Live Demo

HTML Code
Form contains list of files with input type checkbox name files[]. 

<form name="zips" method="post">

<input type="checkbox" name="files[]" value="flowers.jpg" />
<img src="files/image.png" />
flowers.jpg

<input type="checkbox" name="files[]" value="fun.jpg" />
<img src="files/image.png" />
fun.jpg

<input type="checkbox" name="files[]" value="9lessons.docx" />
<img src="files/doc.png"   />
9lessons.docx
........
<input type="submit" name="createpdf" value="Download as ZIP" />&nbsp;
<input type="reset" name="reset"  value="Reset" />
</form>

PHP Code
Contains PHP code covert the selected files into ZIP file format.

<?php
$error = ""; //error holder
if(isset($_POST['createpdf']))
{
$post = $_POST; 
$file_folder = "files/"; // folder to load files
if(extension_loaded('zip'))
{ 
// Checking ZIP extension is available
if(isset($post['files']) and count($post['files']) > 0)
{ 
// Checking files are selected
$zip = new ZipArchive(); // Load zip library 
$zip_name = time().".zip"; // Zip name
if($zip->open($zip_name, ZIPARCHIVE::CREATE)!==TRUE)
{ 
 // Opening zip file to load files
$error .= "* Sorry ZIP creation failed at this time";
}
foreach($post['files'] as $file)
{ 
$zip->addFile($file_folder.$file); // Adding files into zip
}
$zip->close();
if(file_exists($zip_name))
{
// push to download the zip
header('Content-type: application/zip');
header('Content-Disposition: attachment; filename="'.$zip_name.'"');
readfile($zip_name);
// remove zip file is exists in temp path
unlink($zip_name);
}

}
else
$error .= "* Please select file to zip ";
}
else
$error .= "* You dont have ZIP extension";
}
?>