复选框＆QUOT;检查＆QUOT; - 值跳起来前面的数组值，当数组为空 [英] Checkbox "checked"-value jumps up to earlier array values, when array is empty

问题描述

我的复选框名称=框[]数组。通过PHP我确保他们检查后，他们提交的呼应检查='检查'如果他们在提交事件检查。

I have an array of checkboxes name="box[]". Through PHP I make sure that they're checked after they're submitted by echoing "checked='checked'" if they were checked at submit event.

现在，如果我检查了第三个框，值跳下来的第一个复选框后提交，因为数组是空的，直到第三个复选框。同样的，如果我检查了第二和第三的复选框，就跳了下去，以第一和第二提交之后。这是code我使用的是：

Now, if I check the third box, the value jumps down to the first checkbox after submit, since the array was empty up until the third checkbox. Same, if I check the 2nd and 3rd checkbox, they jump down to 1st and 2nd after submit. This is the code I'm using:

<form method="post">
    <input type="checkbox" name="box[]" value="true" <?php if ($box[0] == true) echo "checked='checked'"; ?>><br>
    <input type="checkbox" name="box[]" value="true" <?php if ($box[1] == true) echo "checked='checked'"; ?>><br>
    <input type="checkbox" name="box[]" value="true" <?php if ($box[2] == true) echo "checked='checked'"; ?>><br>
    <p>
    <input type="submit" value="Submit">
</form>

试用于：
http://experiencerapanui.com/selecttest.php

我可以做的复选框填补了一个值假或任何数组，如果没有选中该复选框？我应该走哪条路？

Can I make the checkboxes fill up the array with a value "false" or whatever, if the box is unchecked? Which way should I go?

的**的 * 的***的 修改 的**的 * **的 * 的

****** EDIT ******

由于phant0m，我设法想出了一个解决方案：

Thanks to phant0m, I managed to come up with a solution:

<form method="post">
    <input type="checkbox" name="box[]" value="1" <?php if (in_array("1", $box)) echo "checked='checked'"; ?>><br>
    <input type="checkbox" name="box[]" value="2" <?php if (in_array("2", $box)) echo "checked='checked'"; ?>><br>
    <input type="checkbox" name="box[]" value="3" <?php if (in_array("3", $box)) echo "checked='checked'"; ?>><br>
    <p>
    <input type="submit" value="Submit">
</form>

把唯一值的复选框，然后如果我发现在数组$箱[]的值，如检查框标记。

Putting unique values for the checkboxes, then if I find the value in the array $box[], the box is marked as checked.

推荐答案

这是不行的，因为只有那些复选框被选中，都被放进 $箱阵列。

This does not work, because only those checkboxes, that are checked, are being put into the $box array.

既可以使用不同的名称，或不同的值来区分它们。

Either use different names, or different values to distinguish between them.

考虑一下：你检查的第二个和第三个复选框。在PHP中，您将获得：

Consider this: You check the second and the third checkbox. In PHP, you will receive:

$_POST['box'] = array(0 => "true", 1 => "true");

您可以不知道，这复选框被选中，除非所有的人都。

You cannot know, which checkboxes have been checked, unless all of them are.

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