如何将多个值合并成一个字符串?
我有以下合并方法:
$a = array("".$_POST['questionid']."","$qid");
$b = array("".$_POST['AnswerID']."","$ans");
$c = array("".$_POST['timetaken']."","$time");
$comma = implode(",",$a);
echo "$comma";
它返回:1,2
并打印a,b的值
$comma = implode(",",$a);
echo "$comma";
$comma1 = implode(",",$b);
echo "$comma1";
它给出:1,34,2
如何打印出 1,2,3,4
?
(a, b) VALUES ($a, $b)
。 - Muhammad Hassaan