title: How can clear screen in php cli (like cls command)
body: <p>When PHP script run from command line (windows) , how can clear the console screen from script .  </p>
  
  <p>for example :  </p>
  
  <pre><code>while(true){
      // sleep for 10 seconds , then clear the console
      sleep(10);
  
      // below command execute to clear the console windows
      **COMMAND**
  }
  </code></pre>