Date-Time Counter in PHP
<p>I am developing a project using PHP in which I want to do something like this:</p>

<ol>
<li>User Enter Start and End date and time both. On this page user has Play/Pause button.</li>
<li>User Enter details and save it to database. When user save this details counter will starts running. and using Play/Pause button user can pause and resume the counter. May be user pause counter today and resume it any time like after two days. </li>
</ol>

<p>So how can I maintain this counter timing. Can any one help me through code or any guidance?</p>

<p>Thank You in Advance</p>
