title: How to convert array json into string?
body: <p>How do I change an array into a string uning php? </p>
  
  <p>Here's the array</p>
  
  <pre><code>{
      "result": "success", 
      "message": [ 
          { 
              "date_insert": "2017-01-28 20:14:51", 
              "date_update": "2017-01-28 20:15:11", 
              "weather": "sunny"
          }
      ]
  }
  </code></pre>
  
  <p>I want the weather output in string . Thanks</p>