PHP Script to Extract Zip file

unzip.php

<?php
try {

    $input_zip = $_GET["filename"];
    $target_dir = $_GET["target_dir"] ?? "./";
    echo "Starting...";

    if (!is_file($input_zip) || !is_readable($target_dir)) {
        die("Can't Read Input");
    }

    if (!is_dir($target_dir) || !is_writable($target_dir)) {
        die("Can't Write to Target");
    }

    $zipArchive = new ZipArchive();
    $result = $zipArchive->open($input_zip);
    if ($result === TRUE) {
        $zipArchive->extractTo($target_dir);
        $zipArchive->close();
        echo "Success";
        // Do something else on success
        return true;
    } else {
        die("Went Wrong");
    }
}

//catch exception
catch (Exception $e) {
    echo 'Message: ' . $e->getMessage();
}