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    <p>To hit your question directly, while you're reading the dir for files, you can get info about the files using some native php functions...</p> <p>When a file was last accessed: fileatime - <a href="http://www.php.net/manual/en/function.fileatime.php" rel="nofollow">http://www.php.net/manual/en/function.fileatime.php</a></p> <p>When a file was created: filectime - <a href="http://www.php.net/manual/en/function.filectime.php" rel="nofollow">http://www.php.net/manual/en/function.filectime.php</a></p> <p>When a file was modified: filemtime - <a href="http://php.net/manual/en/function.filemtime.php" rel="nofollow">http://php.net/manual/en/function.filemtime.php</a></p> <p>These return the time, formatted as unix time.</p> <p>For simplicity, I would use filectime to find the time, and use that value as the KEY in the $files array, like so: $files[filectime($file)] = $file;</p> <p>Then you can use a simple array sorting function like ksort() to order them outside the loop, before you start step two.</p> <p>Now... Going slightly deeper... I would probably use a database to store information like this, instead of hitting the file system every time the page is loaded. It will be a little more overhead in development, but depending on the size of the dir, could save you a lot of time and processing power.</p> <p>TESTED 2012-06-23 <code> <pre><code> /* settings */ $image_dir = 'photo_gallery/'; $per_column = 6; /* step one: read directory, make array of files */ if ($handle = opendir($image_dir)) { while (false !== ($file = readdir($handle))) { if ($file != '.' &amp;&amp; $file != '..') { if(strstr($file,'-thumb')) { $files[filemtime($image_dir . $file)] = $file; } } } closedir($handle); } /* step two: loop through, format gallery */ if(count($files)) { krsort($files); foreach($files as $file) { $count++; echo '&lt;a class="photo-link" rel="one-big-group" href="',$image_dir,str_replace('-thumb','',$file),'"&gt;&lt;img src="',$image_dir,$file,'" width="100" height="100" /&gt;&lt;/a&gt;'; if($count % $per_column == 0) { echo '&lt;div class="clear"&gt;&lt;/div&gt;'; } } } else { echo '&lt;p&gt;There are no images in this gallery.&lt;/p&gt;'; } ?&gt; </code></pre> <p></code></p>
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    1. POHow to sort photo gallery script date wise
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    1. USEd Meacham
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    1. COThank you, by the way I used your suggestion but it was not working can you modify the code itself. used below code for reference: http://stackoverflow.com/questions/2667065/sort-files-by-date-in-php
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    2. COThank you. Modified code sorts files but last upload images goes to buttom insted of top (first images). could you please let me know what should i do to bring last uploaded image first.
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    3. CODo you mean the order is reversed or that there is one specific image that is showing at the bottom and it should be at the top?
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