陣列中的調節鍵

Question

比如我有下面的數組：

$arr[0] = "1" 
$arr[7] = "p" 
$arr[10] = "c" 
$arr[12] = 'k" 

我怎麼把它轉換爲：

$arr[0] = "1" 
$arr[1] = "p" 
$arr[2] = "c" 
$arr[3] = 'k" 

Answer 1

像這樣：

$arr = array_values($arr); 

http://www.php.net/manual/en/function.array-values.php