PHP - 重复值[关闭]

Question

I had this code

$loop ="5";
$value = "1";

how to insert value to db like this 1:1:1:1:1 (where loop have 5)

thanks

Answer 1

string $val_for_Db = "";
for ($i=0;$i<$loop;$i++) {
$val_for_Db = $val_for_Db."".$value.":";
}
$val_for_Db = substr($val_for_Db ,-1);

Now insert $val_for_Db to database.