fixed db connection

public/ddown/dropdown.php

@@ -1,19 +1,27 @@
-<?php 
+<?php
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+if (!isset($_ENV['DB_HOST'])) {
+    Dotenv\Dotenv::createImmutable(__DIR__ . '/../../')->safeLoad();
+}
 
 Class Dropdown
 {
-	
-	private $host = 'localhost';
-	private $username = 'u00wiumd4xnrd';
-	private $password = 'ukowysga7w5x';
-	private $dbname = 'dbcov4clvrmrzn';
+	private $host;
+	private $username;
+	private $password;
+	private $dbname;
 	private $connection;
 
 	//establish connection
 	public function __construct()
-	
 	{
-		
+		$this->host     = $_ENV['DB_HOST'] ?? 'localhost';
+		$this->username = $_ENV['DB_USERNAME'] ?? '';
+		$this->password = $_ENV['DB_PASSWORD'] ?? '';
+		$this->dbname   = $_ENV['DB_DATABASE'] ?? '';
+
 		try 
 		{
 			$this->connection = new mysqli($this->host, $this->username, $this->password, $this->dbname);
@@ -22,75 +30,4 @@ Class Dropdown
 		{
 			echo "Connection error " . $e->getMessage();
 		}
-	}
-
-	
-	//fetch all country records from database
-	public function fetchCountry()
-	{
-		$data = null;
-
-		$query = "SELECT * FROM article_type ORDER BY article_type.name_articletype";
-
-		if ($sql = $this->connection->query($query)) 
-		{
-			while ($rows = mysqli_fetch_assoc($sql)) 
-			{
-				$data[] = $rows;
-			}
-		}
-
-		return $data;
-	}
-	
-	//fetch model records from database depend upon country id
-	public function fetchModel($idarticletype)
-	{
-		$data = null;
-
-		$query = "SELECT * FROM modelarticle WHERE idarticletype='".$idarticletype."' ";
-
-		if ($sql = $this->connection->query($query)) 
-		{
-			while ($rows = mysqli_fetch_assoc($sql)) 
-			{
-				$data[] = $rows;
-			}
-		}
-
-		return $data;
-	}
-	
-//fetch Charact records from database depend on article type
-public function fetchCharact($idarticletype)
-{
-    $data = null;
-
-    $idarticletype = (int)$idarticletype;
-
-    $query = "
-        SELECT DISTINCT 
-            ac.*
-        FROM article_characteristic ac
-        INNER JOIN standards s
-            ON s.idarticlecharacteristic = ac.idarticlecharacteristic
-           AND s.idarticletype = ac.idarticletype
-        WHERE ac.idarticletype = $idarticletype
-          AND s.active = 'Y'
-        ORDER BY ac.name_articlecharacteristic
-    ";
-
-    if ($sql = $this->connection->query($query)) 
-    {
-        while ($rows = mysqli_fetch_assoc($sql)) 
-        {
-            $data[] = $rows;
-        }
-    }
-
-    return $data;
-}
-
-}
-
- ?>
+	}