如何从$ _POST获取键值？

Question

echo $_POST["name"]; //returns the value a user typed into the "name" field 

我希望能够返回密钥的文本。在这个例子中，我想返回文本“名称”。我可以这样做吗？

Answer 1

退房的array_keys（）函数假设这是PHP。

http://us2.php.net/array_keys

Answer 2

array_keys($_POST) 

Manual

Answer 3

$ _ POST仅仅是一个正常的关联数组，所以你也可以遍历整个事情是这样的：

foreach($_POST as $key=>$value) 
{ 
    echo "$key=$value"; 
} 

Answer 4

while(list($field, $value) = each($_POST)) { 
    echo "<p>" . $field . " = " . $value . "</p>\n"; 
} 

Answer 5

@Tim：有一个)失踪。所以它应该是：

while(list($field, $value) = each($_POST)) { 
    echo "<p>" . $field . " = " . $value . "</p>\n"; 
} 

Answer 6

foreach($_POST as $rvar) 
{ 
$rvarkey=key($_POST) 
$$rvarkey=mysql_real_escape_string($rvar); 
} 

it creates variables having the name of the request parameters which is pretty awesome.