List all mp3 files from a directory and its subdirectories using php.

Suppose you need to list all of your mp3 files from a folder and its all subfolders. Then this php script will help you.

Technique

1. This function starts with a directory.
2. And check for all the files and folder in it.
3. If a folder found then this function call itself recursively.
4. If its a file and its extension is .mp3 then print it.

function findfiles($directory,$xx) 
{    
    $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($directory), 
                RecursiveIteratorIterator::SELF_FIRST);
foreach($iterator as $file) {

    if($file->isDir()) {
        findfiles($file->getRealpath(),$xx);
    }
    else{
        if(strtolower(substr(basename($file),-3))=="mp3")
         {
             $xx.=basename($file);
         }
    }
} 
  return $xx;
}

Now just call the function

echo findfiles('./','');

Ok so when you need this?

Suppose you host your own music files and want to embed a music player that can play all of your music files. then you must list out all of your files into a folder and its subfolder and its subfolder ……… This script will list out all of your files. You have to modify this code for your purpose.