.drone.yaml update and getting the environement variables in the pho script

.drone.yml

@@ -76,10 +76,10 @@ steps:
     PRIVATE: true
     CODEFIRST_CLIENTDRONE_ENV_INNONDB_HOST:
       from_secret: db_host
-      CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE:
-        from_secret: db_database
-      CODEFIRST_CLIENTDRONE_ENV_INNODB_USER:
-        from_secret: db_user
-      CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD:
-        from_secret: db_password
+    CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE:
+      from_secret: db_database
+    CODEFIRST_CLIENTDRONE_ENV_INNODB_USER:
+      from_secret: db_user
+    CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD:
+      from_secret: db_password
   depends_on: [ php_script ]

Sources/php_script/script/config.php

@@ -1,14 +1,8 @@
 <?php
-$username=CODEFIRST_CLIENTDRONE_ENV_INNODB_USER;
-$host=CODEFIRST_CLIENTDRONE_ENV_INNONDB_HOST;
-$password=CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD;
-$db_name=CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE;
+$username=$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_USER"];
+$host=$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNONDB_HOST"];
+$password=$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD"];
+$db_name=$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE"];
 
 $connect=mysqli_connect($host,$username,$password,$db_name);
-/*
-if(!$connect)
-{
-    print "Connection Failed";
-}
-*/
 

Sources/php_script/script/db.php

@@ -1,7 +1,7 @@
 <?php
-$dns = 'mysql:host='.CODEFIRST_CLIENTDRONE_ENV_INNONDB_HOST.';dbname='.CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE;
-$user = CODEFIRST_CLIENTDRONE_ENV_INNODB_USER;
-$password = CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD;
+$dns = 'mysql:host='.$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNONDB_HOST"].';dbname='.$_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_DATABASE"];
+$user = $_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_USER"];
+$password = $_ENV["CODEFIRST_CLIENTDRONE_ENV_INNODB_PASSWORD"];
 try{
     $db = new PDO ($dns, $user, $password);
 }catch( PDOException $e){