由于v.4到v5迁移，PHP脚本不再起作用

Question

最近我的webserver从PHP v.4迁移到v.5.3。我知道，我知道，很长一段时间:)

但是现在当用户输入所需的数据时，我的一些脚本不显示结果。这里是脚本：

<?php 
if ($ok) { 

    if ($heightft == "" || $heightin == "" || $weight == "") { 
     $error = "<br><FONT COLOR=#FF0000>One of the fields above was not completed.</FONT><br>"; 
    } else { 
     $bmi = $weight * 703/(($heightft * 12 + $heightin) * ($heightft * 12 + $heightin)); 
     $bmiString = number_format($bmi,2,".",""); 
     echo "<table border='1' cellpadding='10' bordercolor='0000FF'><tr><td><strong>Your BMI is: " . $bmiString; 
echo "<br><br></strong>"; 

     if ($bmi <= 18.50) { 
      echo "You are classified as <strong>Underweight</strong>."; 
     } elseif ($bmi <= 24.99) { 
      echo "You are classified as <strong>Normal</strong>."; 
     } elseif ($bmi <= 29.99) { 
      echo "You are classified as <strong>Overweight</strong>."; 
     } else { 
      echo "You are classified as <strong>Obese</strong>.</td></tr></table></bordercolor>"; 
     }  
    } 
} 

?> 

<?php echo $error;?> 

Answer 1

看起来像你期待register_globals上。这现在是默认关闭的。

您应该使用$_GET['heightft']或$_POST['heightft']取决于窗体方法来访问此数据。