title: php json decode with variables that contains dashes
body: <pre><code>{"general":{
   "round-corner":"0",
   "border-stroke":"2",
   "background-color":"#ffffff"
   }
  }
  </code></pre>
  
  <p>I have this json string,  I know that php variable names doesn't support dashes. So what to do in this case ?</p>