function bubbleSort($array){
if(!$length = count($array)){
return $array;
}
//Loops through every element
for($outer=0; $outer < $length; $outer++){
for($inner=0; $inner < $length; $inner++){
if($array[$outer] < $array[$inner]){
$tmp = $array[$outer];
$array[$outer] = $array[$inner];
$array[$inner] = $tmp;
}
}
}
}