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- get name of a post variable [duplicate] 3 answers
获取帖子变量的名称[重复] 3个答案
Is there a way to get the names of the form fields from $_POST ?
有没有办法从$ _POST获取表单字段的名称?
I know I can get the values with $_POST['foo'], but how do I get the list of names (not sure what they are called).
我知道我可以使用$ _POST ['foo']获取值,但是如何获取名称列表(不确定它们的名称)。
Any help is great.
任何帮助都很棒。
3 个解决方案
#1
$_POST is an associative array. Use array_keys to get the keys of the array.
$ _POST是一个关联数组。使用array_keys获取数组的键。
$names = array_keys($_POST);
#2
As simple as that
就如此容易
print_r($_POST);
print_r — Prints human-readable information about a variable
print_r - 打印有关变量的可读信息
#3
An array consists of array key and value.
数组由数组键和值组成。
$array = array('color1' => 'red','color2' => 'blue', 'color3' => 'green');
to get the key values use
获取关键值使用
$keys = array_keys($array);
print_r($keys);
#1
$_POST is an associative array. Use array_keys to get the keys of the array.
$ _POST是一个关联数组。使用array_keys获取数组的键。
$names = array_keys($_POST);
#2
As simple as that
就如此容易
print_r($_POST);
print_r — Prints human-readable information about a variable
print_r - 打印有关变量的可读信息
#3
An array consists of array key and value.
数组由数组键和值组成。
$array = array('color1' => 'red','color2' => 'blue', 'color3' => 'green');
to get the key values use
获取关键值使用
$keys = array_keys($array);
print_r($keys);