Download and unzip file with PHP

download-unzip.php

<?php

// get latest german WordPress file
$ch = curl_init();
$source = "https://github.com/geekSiddharth/student-senate/archive/master.zip"; // THE FILE URL
curl_setopt($ch, CURLOPT_URL, $source);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec ($ch);
curl_close ($ch);

// save as wordpress.zip
$destination = "master.zip"; // NEW FILE LOCATION
$file = fopen($destination, "w+");
fputs($file, $data);
fclose($file);

echo " zip downloaded; ";

// unzip
$zip = new ZipArchive;
$res = $zip->open('master.zip'); // zip datei
if ($res === TRUE) {
    $zip->extractTo('.'); // verz zum entpacken
    $zip->close();
    echo ' zip extracted; ';
    unlink('master.zip');
    echo ' zip deleted; ';
} else {
    echo ' unzip failed; ';
}

Heard of error management?!