Encode php line code url, please help

Need a little direction with this.

I am trying to encode this line so it write the URL dislayed as somewhat encode form souorce viewer.

The URL:
[url]http://sitepoint.com/images/user/media/song.mp3[/url]

I would like it to appear as something gebirsh or encoded:

http://%%5dfsitepoint%%%/@#$%%./CD%20%%%%&*

Line

[code]
$js_songs_url[] = “songs_position_url[“.$i.”] = ‘”.MusColHelper::getSongFileURLslashes($songs[$i]).”‘;” ;

[/code]

I have tried these methods none work

[code]

$js_songs_url[] = mb_convert_encoding(“songs_position_url[“.$i.”] = ‘”.MusColHelper::getSongFileURLslashes($songs[$i])).”‘;” ;

$js_songs_url[] = rawurldecode(“songs_position_url[“.$i.”] = ‘”.MusColHelper::getSongFileURLslashes($songs[$i])).”‘;” ;

$js_songs_url[] = html_entity_decode(“songs_position_url[“.$i.”] = ‘”.MusColHelper::getSongFileURLslashes($songs[$i])).”‘;” ;

$js_songs_url[] = preg_replace(“songs_position_url[“.$i.”] = ‘”.MusColHelper::getSongFileURLslashes($songs[$i])).”‘;” ;

[/code]

NONE worked for me…

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