please. mp3 Data delay Batch Rename instances

Request. mp3 File delay Batch Rename instance
The website Music directory has 10 irregular file names. mp3 music files, I want them to automatically rename, rename the rule to use 1~10 random number, and every 5 minutes again with the above rules renamed, preferably in the background automatically run, how to do?
Just contact PHP, there are a lot of questions do not understand, I hope you can help a lot later.

------Solution--------------------
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Simple handling
PHP Code

$shuffle _num = range (1, 10);
Shuffle ($shuffle _num);
foreach (Glob (' Tmp/*.mp3 ') as $key = = $filename) {
$newname = ' tmp/'. $shuffle _num[$key]. MP3 ';
Rename ($filename, $newname);
......

------Solution--------------------
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Reference:

Simple handling
PHP Code

$shuffle _num = range (1, 10);
Shuffle ($shuffle _num);
foreach (Glob (' Tmp/*.mp3 ') as $key = = $filename) {
$newname = ' tmp/'. $shuffle _num[$key]. MP3 ';
Rename ($f ...

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