title: POST request with JSON body
body: <p>I would like to add a <a href="https://developers.google.com/blogger/docs/3.0/using#AddingAPost">post to a Blogger blog</a> via PHP.
  Google provided the example below. How to use that with PHP?</p>
  
  <blockquote>
    <p>You can add a post for a blog by sending a POST request to the post
    collection URI with a post JSON body:</p>
  </blockquote>
  
  <pre><code>POST https://www.googleapis.com/blogger/v3/blogs/8070105920543249955/posts/
  Authorization: /* OAuth 2.0 token here */
  Content-Type: application/json
  
  {
    "kind": "blogger#post",
    "blog": {
      "id": "8070105920543249955"
    },
    "title": "A new post",
    "content": "With &lt;b&gt;exciting&lt;/b&gt; content..."
  }
  </code></pre>