title: Convert json to array php gives Array to string conversion
body: <p>I have a json as shown below.I want to access the value of <code>adult</code>.However when i do  <code>echo json_decode($json_response, true);</code> i get <code>Array to string conversion</code>.What is wrong here ? </p>
  
  <pre><code> {
        "responses": [
          {
            "safeSearchAnnotation": {
              "adult": "VERY_UNLIKELY",
              "spoof": "VERY_UNLIKELY",
              "medical": "UNLIKELY",
              "violence": "LIKELY"
            }
          }
        ]
      }
  </code></pre>