gistfile1.txt

for($i = 0; $i < count($arraaa);$i++){
    $buffer = 0;
    if(isset($arraaa [$i+1])){
        if($arraaa[$i] > $arraaa[$i+1]) {
            $buffer = $arraaa[$i+1];
            $arraaa[$i+1] = $arraaa[$i];
            $arraaa[$i] = $buffer;

        }
    }

}
var_dump($arraaa);