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  1. PO
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    <p>There are two solutions, these being one to use javascript and one to use PHP.</p> <h2><strong>Pure Javascript Solution:</strong></h2> <p>Here is how to sort your <code>&lt;li&gt;</code> based on the data-date attribute. </p> <p>I've included both date based and string based sorting. </p> <p>JSFiddle: <a href="http://jsfiddle.net/xZaeu/" rel="nofollow noreferrer">http://jsfiddle.net/xZaeu/</a></p> <pre><code>&lt;html&gt; &lt;script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"&gt;&lt;/script&gt; &lt;body&gt; &lt;ul id="ulList"&gt; &lt;li&gt;&lt;a data-date="2013-09-16 11:44:50" href="http://example.com/url/"&gt;09!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-08-16 11:44:50" href="http://example.com/url/"&gt;08!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-07-16 11:44:50" href="http://example.com/url/"&gt;07!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-11-16 11:44:50" href="http://example.com/url/"&gt;11!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-10-16 11:44:50" href="http://example.com/url/"&gt;10!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-06-16 11:44:50" href="http://example.com/url/"&gt;06!&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;script&gt; function compareDataDates(a,b) { var match = a.match(/^(\d+)-(\d+)-(\d+) (\d+)\:(\d+)\:(\d+)$/); var date1 = new Date(match[1], match[2] - 1, match[3], match[4], match[5], match[6]); match = b.match(/^(\d+)-(\d+)-(\d+) (\d+)\:(\d+)\:(\d+)$/); var date2 = new Date(match[1], match[2] - 1, match[3], match[4], match[5], match[6]) return date1 - date2; } var list = $('#ulList'); var listItems = list.find('li').sort(function (a, b) { return compareDataDates($(a).find('a').eq(0).attr("data-date"), $(b).find('a').eq(0).attr("data-date")); //return $(a).find('a').eq(0).attr("data-date").localeCompare($(b).find('a').eq(0).attr("data-date")); }); list.find('li').remove(); list.append(listItems); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Both String and date comparison work since your using the specific format, though the string based comparison would fail in a situation where you have:</p> <pre><code>&lt;li&gt;&lt;a data-date="2013-06-16 11:44:50" href="http://example.com/url/"&gt;06!&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a data-date="2013-6-16 11:44:50" href="http://example.com/url/"&gt;6!&lt;/a&gt;&lt;/li&gt; </code></pre> <p><strong>References used cooking this up:</strong></p> <ul> <li><a href="https://stackoverflow.com/questions/6076820/how-to-order-dynamically-created-elements-based-on-a-custom-attribute">How to order dynamically created elements based on a custom attribute?</a></li> <li><a href="https://stackoverflow.com/questions/471606/get-all-hrefs-as-an-array-in-jquery">Get all hrefs as an array in jQuery</a></li> <li><a href="https://stackoverflow.com/questions/2167602/optimum-way-to-compare-strings-in-javascript">Optimum way to compare strings in Javascript?</a></li> <li><a href="https://stackoverflow.com/questions/11170054/compare-two-dates-with-javascript">Compare dates with javascript</a></li> <li><a href="https://stackoverflow.com/questions/6704325/how-to-convert-date-in-format-yyyy-mm-dd-hhmmss-to-unix-timestamp">How to convert date in format &quot;YYYY-MM-DD hh:mm:ss&quot; to UNIX timestamp</a></li> <li><a href="https://stackoverflow.com/questions/2173971/jquery-find-to-get-the-first-element">jquery find to get the first element</a></li> </ul> <h2><strong>Pure PHP Solution:</strong></h2> <p>Something along the lines of...</p> <pre><code> &lt;?php //Other PHP code here... $arrayForSorting = new array(); foreach ($notifications as &amp;$value) { $temp = addslashes($value); array_push($arrayForSorting,"&lt;li&gt;".$temp."&lt;/li&gt;"); } //Sort the array asort($arrayForSorting); foreach ($arrayForSorting as &amp;$value) { echo $value; } ?&gt; </code></pre> <p><strong>References:</strong></p> <ul> <li><a href="http://php.net/manual/en/array.sorting.php" rel="nofollow noreferrer">http://php.net/manual/en/array.sorting.php</a></li> </ul>
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    1. COthanks, that did the trick, I used string based javascript solution. final question, how to make it work in reverse ? ))) for now, it goes from oldest date and goes to current, I want it to start from current
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    2. COJust change the return to `return date2 - date1;`
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