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Code Snippet: Photo Randomiser

Posted on 09/08/2009 by John

This was something I quickly threw together to randomise a folder of photos.
Basically you put all your photos in one folder, it then randomly copies them to an output folder with a new file name.
This was used for randomising photos for a photo DVD at a party.

Its fine for basic things. If you plan on using it for a website or something I would suggest tweaking the code a bit.
Also note that it was only written to handle .jpg files. It wouldn’t be too hard to modify it though.

Feel free to use the code as you wish.

// Make sure the user has passed in values via the command line
if( !isset($argv[0]) || !isset($argv[1]) || $argv[0] == "" || $argv[1] == "")
{

// If there are no values then display a usage message and exit
echo "\n**** Photo Randomiser ****\n\nUsage:\n\tphp photo_rand.php [SOURCE_PATH] [DEST_PATH]\n\n";
exit;
}

// Get the in and out dir
$in_dir = $argv[0];
$out_dir = $argv[1];

// Create an array for storing the file list
$file_list = array();

echo "/nreading files";

// Make sure the directory is valid
if (is_dir($in_dir)) {

// Open the directory
if ($dh = opendir($in_dir)) {

// Loop through all the files in the directory
while (($file = readdir($dh)) !== false)
{
// Make sure we don't include . and ..
if( $file != "." && $file != ".." )
{
// Add the current file to the file list
$file_list[] = $file;

}

closedir($dh);

}

echo "
shuffling”;

// Shuffle the array
shuffle($file_list);

echo “
copying”;

$file_count = 1;

// Loop through the file array list
foreach($file_list as $value) {

// Copy the file to the output dir with its new name. I use a number for the output file to keep the files in their shuffled order.
copy($in_dir . $value, $out_dir . $file_count . “.jpg”);

$file_count++;

}

echo “
finished”;

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Code Snippet: Photo Randomiser

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