Fixed reading .env file in BIN Downloader Script

Author: ip2location

README.md

@@ -128,7 +128,7 @@ The command above will download the DATABASE_CODE BIN file and unzip the file in
 |token|Download token. You can get your token at your [IP2Location Account Area](https://www.ip2location.com/account) at the Download page.|
 |file|Database package. (DB1BIN...DB26BIN, DB1BINIPV6...DB26BINIPV6, DB1LITEBIN...DB11LITEBIN or DB1LITEBINIPV6...DB11LITEBINIPV6) You may login to your [IP2Location Account Area](https://www.ip2location.com/account) and get the package code (or download code) at the Download page. |
 
-For linux user, you can set the **DOWNLOAD_TOKEN** and **DATABASE_CODE** with values in your .env environment and run the command `php ip2location_bin_download.php` for the download.
+You can set the **DOWNLOAD_TOKEN** and **DATABASE_CODE** with values in the .env file and run the command `php ip2location_bin_download.php` for the download.
 
 ## IPv4 BIN vs IPv6 BIN
 * Use the IPv4 BIN file if you just need to query IPv4 addresses.

ip2location_bin_download.php

@@ -33,18 +33,40 @@
     $dbCode = $inputs["file"];
 }
 
+$envFilePath = realpath(ROOT . ".env");
+$varArr = [];
+if (is_file($envFilePath)) {
+    if (is_readable($envFilePath)) {
+        $fopen = fopen($envFilePath, 'r');
+        if ($fopen){
+            while (($line = fgets($fopen)) !== false) {
+                $commentLine = (substr(trim($line),0 , 1) == '#') ? true: false;
+                if ($commentLine || empty(trim($line))) {
+                    continue;
+                }
+                $varLine = explode("#", $line, 2)[0];
+                $envEx = preg_split('/(\s?)\=(\s?)/', $varLine);
+                $envName = trim($envEx[0]);
+                $envValue = isset($envEx[1]) ? trim($envEx[1]) : "";
+                $varArr[$envName] = $envValue;
+            }
+            fclose($fopen);
+        }
+    }
+}
+
 if ($token == '') {
-    if (!empty(getenv('DOWNLOAD_TOKEN'))) {
-        $token = getenv('DOWNLOAD_TOKEN');
+    if (isset($varArr['DOWNLOAD_TOKEN'])) {
+        $token = $varArr['DOWNLOAD_TOKEN'];
     } else {
         echo "[Error] Missing --token command line switch or parameter.\n";
         exit;
     }
 }
 
 if ($dbCode == '') {
-    if (!empty(getenv('DATABASE_CODE'))) {
-        $dbCode = getenv('DATABASE_CODE');
+    if (isset($varArr['DATABASE_CODE'])) {
+        $dbCode = $varArr['DATABASE_CODE'];
     } else {
         echo "[Error] Missing --file command line switch or parameter.\n";
         exit;