note 101719 added to function.readdir

From: Date: Thu, 06 Jan 2011 17:11:25 +0000
Subject: note 101719 added to function.readdir
Groups: php.notes 
Request: Send a blank email to php-notes+get-175501@lists.php.net to get a copy of this message
an example, just for fun, including and playing a random file within a webpage: <?php /** * get the number of files within a given dir */ function fileCounter($dir){ $counter = 0; if ($handle = opendir($dir)) { //echo "Directory handle: $handle\n"; //echo "Files:\n"; /* This is the correct way to loop over the directory. */ while (false !== ($file = readdir($handle))) { //echo "<BR>".$counter." - $file"; $counter++; } closedir($handle); } $counter -= 1; // in order to exclude '.' and '..', as well as start the counter on 1 return $counter; } /** * get the filename in a giver dir, starting the first file with the index 1 */ function fileNameByIndex($dir, $fileIndex){ $counter = 0; if ($handle = opendir($dir)) { while (false !== ($file = readdir($handle))) { $counter++; if($counter - 2 == $fileIndex) return $file; } closedir($handle); } return ""; } $nFiles = fileCounter("sounds"); $rndIndex = rand(1, $nFiles); $fileName = fileNameByIndex("sounds", $rndIndex); $player_obj = "<embed type='application/x-mplayer2' pluginspage='http://www.microsoft.com/Windows/MediaPlayer/' name='mediaplayer1' ShowStatusBar='false' EnableContextMenu='false' autostart='true' width='1' height='1' loop='false' src='sounds/$fileName' />"; echo $player_obj; ?> ---- Server IP: 69.147.83.197 Probable Submitter: 193.137.127.56 ---- Manual Page -- http://www.php.net/manual/en/function.readdir.php Edit -- https://master.php.net/note/edit/101719 Del: integrated -- https://master.php.net/note/delete/101719/integrated Del: useless -- https://master.php.net/note/delete/101719/useless Del: bad code -- https://master.php.net/note/delete/101719/bad+code Del: spam -- https://master.php.net/note/delete/101719/spam Del: non-english -- https://master.php.net/note/delete/101719/non-english Del: in docs -- https://master.php.net/note/delete/101719/in+docs Del: other reasons-- https://master.php.net/note/delete/101719 Reject -- https://master.php.net/note/reject/101719 Search -- https://master.php.net/manage/user-notes.php

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