TOCA DA PASTA

<?php
$dir="audio/mp3/";
$dir1=opendir($dir);

$mp3 = Array();

while( $res=readdir($dir1) ){
$tipo=explode('.',$res);
if ( $tipo[1]=='mp3' || $tipo[1]=='MP3' ){
   	$mp3[] = 'audio/mp3/'.$res;
}
}
shuffle($mp3);
echo implode( '|', array_slice($mp3, 0, 1));
?>

<audio controls autoplay id="myaudio">
   <source src="<?php echo implode( '|', array_slice($mp3, 0, 1)); ?>" type="audio/mp3">
  Your browse</audio>