Upload and Extract Files To Remote Server with PHP

<?php
//Increase script execution time if you deem it necessary
ini_set('max_execution_time', 10000);

if($_POST["submit_file"] == "1")
{
if($_FILES['zip_file_to_upload']['name'] == "")
{
$upload_status = "<font style='font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px; color:red;'>Please browse for a zip file to upload.</font><br>";
}
else
{
$folder_to_upload_file = "uploads";
$file = $_FILES['zip_file_to_upload'];
$allowedExtensions = array("zip");
function isAllowedExtension($fileName)
{
global $allowedExtensions;
return in_array(end(explode(".", $fileName)), $allowedExtensions);
}
if($file['error'] == UPLOAD_ERR_OK)
{
if(isAllowedExtension($file['name']))
{
$zip = new ZipArchive;
move_uploaded_file($_FILES['zip_file_to_upload']['tmp_name'], "".$folder_to_upload_file."/" .$_FILES['zip_file_to_upload']['name']);
$res = $zip->open("".$folder_to_upload_file."/".$_FILES['zip_file_to_upload']['name']."");

if ($res === TRUE)
{
$zip->extractTo("".$folder_to_upload_file."/");
$zip->close();
$dirnamea = "".$folder_to_upload_file."/".$_FILES['zip_file_to_upload']['name']."";
@chmod($dirnamea,0777);
@unlink($dirnamea);

$upload_status = "<font style='font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px; color:blue;'>".$_FILES['zip_file_to_upload']['name']." uploaded and extracted successfully.</font><br>";
}
else
{
$upload_status = "<font style='font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px; color:red;'>".$_FILES['zip_file_to_upload']['name']." was not successful.</font><br>";
}
}
else
{
$upload_status = "<font style='font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px; color:red;'>You can only upload a zip file through this tool.</font><br>";
}
}
else
{
$upload_status = "<font style='font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px; color:red;'>You can not upload a any file at the moment. please try again or contact us if this problem persist.</font><br>";
}
}
}
?>
<style> .aadileds{ font-weight:bold; font-size:12px;font-family:Arial, Helvetica, sans-serif;text-align:center;background:#f2f2f2 url('addfile.png') no-repeat 12px 9px;color:green;border:1px solid #ccc;height:30px;cursor: default;width:106px;-moz-border-radius:5px; -webkit-border-radius:5px;float:left; }</style>

<center>
<div id="vasp" style="">Upload and Extract Files To Remote Server with PHP</div><br clear="all" /><br clear="all" />
<div style="width:600px; border:6px solid #F6F6F6; font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px;" align="center">
<font color="#000000">Zipped files will be uploaded, unzipped and send to the remote server.</font><br />
<br clear="all" /><?php echo $upload_status; ?><br clear="all" /><br clear="all" />
<form enctype="multipart/form-data" action="zip_upload.php" method="POST" style="width:340px;">
<div align="center" style="400px;">
<div style="width:120px; float:left; padding-top:10px;" align="left">Archive(.zip):</div>
<div style="width:200px; float:left;" align="left"><span class="aadileds"><input name="zip_file_to_upload" type="file" style="opacity:0;-moz-opacity:0;filter:alpha(opacity:0);z-index:9999;width:90px;padding:5px;cursor:default;" /></span></div><br clear="all" /><br clear="all" />
<div style=" padding-left:120px;width:200px; float:left;" align="left"><input type="submit" value="Upload" style="padding:10px; width:80px; cursor:pointer;" /></div><br clear="all" /><br clear="all" /><br clear="all" />

<?php
$directory_to_load_files_from = "uploads/";
@chmod($directory,0777);
if($open_directory_to_read_its_content = opendir($directory_to_load_files_from))
{
echo '<select name="fileToZip" id="fileToZip" style="font-family: helvetica, arial, 'lucida grande', sans-serif; font-size:12px;line-height:25px;padding:1px;">';
echo '<option value="">These are all the uploaded files</option>';
while(($directory_contents = readdir($open_directory_to_read_its_content)) !== false)
{
if($directory_contents != "." && $directory_contents != "..")
{
echo '<option value="'.$directory_contents.'">'.$directory_contents.'</option>';
}

}
echo '</select>';
closedir($open_directory_to_read_its_content);
}
?>
</div>
<input type="hidden" name="submit_file" value="1" />
</form>
</div>
</center>