title: execution time and memory uses by the code
body: <p>I am a PHP coder. I don't find any way to get how many time is taken during execution of code.means execution time.
  and How much memory space is used by the code during execution tim</p>
  
  <p>I know the PHP INI setting but doesn't showed my solution.</p>
  
  <p>How could i get that time and memory space unit with coding.</p>