Question

我已经开始为一个关于生物的游戏编写一个PHP脚本，有4个是/否的问题，我想要做的是编写一个函数，显示2个按钮，表示是和否，然后给每个不同的名字我运行该函数的时间，例如yes1和no1，然后在下次运行该函数时，按钮的名称将为yes2和no2。

我已经尝试过这样做但是它工作不正常，下面是我到目前为止所做的代码，任何帮助都会非常感激。

<?php
session_set_cookie_params(2592000);
session_start();
?>

<html>
<head>
<title>Creature Guessing Game</title>
</head>
<body>
<h1>Creature Guessing Game</h1>
<p> Welcome to the creature guessing game! </p>
<p>Click the button below to start or restart the game </p>

<form method="post" action="Creatures.php">
<input type="submit" name="start" value="Start Game" />
</form>
 <?php
 $questions = array('Does the creature live on land?', 'Does it have wings?', 'Does it live near water?', 'Can it fly?');
 function repeat()
 {
 $number = 0;
 $number++;
 echo "<form method ='post' action='Creatures.php'>
<input type='submit' name='yes'.$number value='Yes' />
<input type='submit' name='no'.$number value='No' />
</form>";

 }
//If form not submitted, display form.
if (!isset($_POST['start'])){
?>
<?php
} //If form is submitted, process input
else{ 
switch($_POST)
{
case yes1:
echo $questions[0];
repeat();
break;
case no1:
echo $questions[1];
repeat();
break;
case yes2:
echo $questions[2];
repeat();
break;
case no2:
$questions[3];
repeat();
}
}
?>
</body>
</html>

Answer 1

为此，您需要在请求之间保持状态。

 function repeat() {
      $number = $_SESSION['number'];
      $number++;
      echo "<form method ='post' action='Creatures.php'>
     <input type='submit' name='answer' value='Yes' />
     <input type='submit' name='answer' value='No' />
     </form>";
     $_SESSION['number'] = $number;
 }

开关

   if($_POST['answer']=='Yes') {
      switch($_SESSION['number']) {
            case 1:
            break;
            case 2:
            break;
      }
   } else {
      switch($_SESSION['number']) {
            case 1:
            break;
            case 2:
            break;
      }
   }

Answer 2

我不同意接受的答案：在没有会话的情况下，这是一种更简单的方法：

function repeat() {
      static $number = 0;
      $number++;
      echo "<form method ='post' action='Creatures.php'>
     <input type='submit' name='answer' value='Yes' />
     <input type='submit' name='answer' value='No' />
     </form>";
 }

Answer 3

您必须在会话中存储“号码”，因为每次提交页面时都会丢失其值。

PHP函数每次将变量增加1

3 个答案: