Doc: added aws-sdk for ruby and python and modified existing doc. (#70)

docs/aws-sdk-for-php-with-minio.md

@@ -2,7 +2,6 @@
 
 `aws-sdk-php` is the official AWS SDK for the PHP programming language. In this recipe we will learn how to use `aws-sdk-php` with Minio server.
 
-
 ## 1. Prerequisites
 
 Install Minio Server from [here](http://docs.minio.io/docs/minio).
@@ -11,14 +10,12 @@ Install Minio Server from [here](http://docs.minio.io/docs/minio).
 
 Install `aws-sdk-php` from AWS SDK for PHP official docs [here](https://docs.aws.amazon.com/aws-sdk-php/v3/guide/getting-started/installation.html) 
 
-
 ## 3. Example
 
-Please replace ``endpoint``,``credentials``, ``Bucket`` with your local setup in this ``example.php`` file.
+Please replace ``endpoint``,``key``, ``secret``, ``Bucket`` with your local setup in this ``example.php`` file.
 
 Example below shows putObject and getObject operations on Minio server using aws-sdk-php.
 
-
 ```php
 
 <?php
@@ -32,8 +29,8 @@ $s3 = new Aws\S3\S3Client([
         'region'  => 'us-east-1',
         'endpoint' => 'http://localhost:9000',
         'credentials' => [
-                'key'    => 'H5K8172RVM311Q2XFEHX',
-                'secret' => '5bRnl3DGhNM+fRBMxOii11k8iT78cNSIfoqnJfwC',
+                'key'    => 'YOUR-ACCESSKEYID',
+                'secret' => 'YOUR-SECRETACCESSKEY',
             ],
 ]);
 
@@ -57,7 +54,6 @@ echo $retrive['Body'];
 
 ```
 
-
 ## 4. Run the Program
 
 ```sh