How Make A Simple Timer

<div dir="ltr" style="text-align: left;" trbidi="on"><pre class="default prettyprint prettyprinted" style="background-color: #eeeeee; border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; font-size: 14px; line-height: 18px; margin-bottom: 10px; max-height: 600px; overflow: auto; padding: 5px; vertical-align: baseline; width: auto;"><code style="border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; margin: 0px; padding: 0px; vertical-align: baseline;"><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"><?</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">php<br /> session_start</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">();</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"><br /> $_SESSION</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">[</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">'test_started'</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">]</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> </span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">=</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> date</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"Y-m-d H:i:s"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">);</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"><br /> $_SESSION</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">[</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">'test_end'</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">]</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> </span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">=</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> date</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"Y-m-d H:i:s"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">,</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">strtotime</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">date</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"Y-m-d H:i:s"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">))</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> </span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">+</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> </span><span class="lit" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">60</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">*</span><span class="lit" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">30</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">;);</span></code></pre><pre class="default prettyprint prettyprinted" style="background-color: #eeeeee; border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; font-size: 14px; line-height: 18px; margin-bottom: 10px; max-height: 600px; overflow: auto; padding: 5px; vertical-align: baseline; width: auto;"><code style="border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; margin: 0px; padding: 0px; vertical-align: baseline;"><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;"> echo <span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">date</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"Y-m-d H:i:s"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">,</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">strtotime</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">date</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"Y-m-d H:i:s"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">))-$_SESSION['test_end'];</span><br /><br /></span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">?></span></code></pre></div>

How Make A Simple Timer

<? php session_start (); $_SESSION [ 'test_started' ] = date ( "Y-m-d H:i:s" ); $_SESSION [ 'test_end...

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