复选框数组与另一个数组的比较(PHP)
我有一个带有几个复选框的页面。您可以进行任意选择组合复选框数组与另一个数组的比较(PHP),php,arrays,forms,checkbox,comparison,Php,Arrays,Forms,Checkbox,Comparison,我有一个带有几个复选框的页面。您可以进行任意选择组合 <form action="result.php" method="post"> <p> <label> <input type="checkbox" name="CheckboxGroup1[]" value="choice" id="choice"> option 1 </label>
<form action="result.php" method="post">
<p>
<label>
<input type="checkbox" name="CheckboxGroup1[]" value="choice" id="choice">
option 1
</label>
<br>
<label>
<input type="checkbox" name="CheckboxGroup1[]" value="range-all" id="range-all">
option 2
</label>
<br>
<label>
<input type="checkbox" name="CheckboxGroup1[]" value="range-two" id="range-two">
option 3
</label>
<br>
<label>
<input type="checkbox" name="CheckboxGroup1[]" value="range-two" id="range-two">
option 4
</label>
<br>
<label>
<input type="checkbox" name="CheckboxGroup1[]" value="range-other-two" id="range-other-two">
option 5
</label>
<br>
</p>
<p>
<input type="submit">
</p>
</form>
选择1
选择2
选择3
选择4
备选案文5
提交选择后,表单将带您进入下一页,在该页中,它将复选框选择的数组与预定义的选项数组进行比较
<?php
$options = array("choice", "range-all", "range-two", "range-other-two");
$checkboxes = $_POST['CheckboxGroup1'];
$intersection = array_intersect($options, $checkboxes);
$results = print_r($intersection, true);
//these are various scenarios based on what the user could choose
$scen1var = array("choice", "range-all");
$scen1 = print_r($scen1var, true);
$scen2var = array("choice", "range-two");
$scen2 = print_r($scen2var, true);
$scen3var = array("choice", "range-other-two");
$scen3 = print_r($scen3var, true);
$scen4var = array("range-all", "range-other-two");
$scen4 = print_r($scen4var, true);
if ($results === $scen1) {
echo "choice and range all";
}
elseif ($results === $scen2) {
echo "range consumables and range both";
}
//The elseif's carry on in this manner
else {
echo "something else";
}
?>
您的数组索引已关闭
将此添加到if/else
块上方:print\r($results)代码>
您将看到,选择choice
和rangetwo
将输出Array([0]=>choice[2]=>rangetwo)
而不是Array([0]=>choice[1]=>rangetwo)
,这就是$scene2
的含义。问题是Array\u intersect
没有保留数组的键
<?php
$array1 = array(2, 4, 6, 8, 10, 12);
$array2 = array(1, 2, 3, 4, 5, 6);
var_dump(array_intersect($array1, $array2));
var_dump(array_intersect($array2, $array1));
?>
你将不得不更换
$scen1var = array("choice", "range-all");
$scen2var = array("choice", "range-two");
$scen3var = array("choice", "range-other-two");
$scen4var = array("range-all", "range-other-two");
为了
我强烈建议你改变处理这个问题的方法,因为这可能不像看上去那么可靠
我的建议是:
$checkboxes = $_POST['CheckboxGroup1'];
if(count($checkboxes) == 2 &&
in_array('choice', $checkboxes) &&
in_array('range-all', $checkboxes)
){
// choice and range only
}
// etc.
当然,有很多方法可以做到这一点。另一种方法
$choice = false;
$range_all = false;
$range_two = false;
$range_other_two = false;
foreach($_POST['CheckboxGroup1'] as $checkbox)
{
if($checkbox == 'choice')
{
$choice = true;
}
elseif($checkbox == 'range_all')
{
$range_all = true;
}
//etc
}
if($choice && $range_all && !$range_two && !$range_other_two)
{
// choice and range_all only.
}
// etc.
为什么要使用print\r()
进行比较?您也可以比较两个数组$array\u 1===$array\u 2
,不需要吗?嗨,尼科,谢谢您的快速回复。我会改变并让你知道。。。你认为你能为我提出其他研究方法吗?非常感谢!非常感谢你。这对我来说似乎有道理。我要试试看!再次感谢!谢谢你!有道理!
$checkboxes = $_POST['CheckboxGroup1'];
if(count($checkboxes) == 2 &&
in_array('choice', $checkboxes) &&
in_array('range-all', $checkboxes)
){
// choice and range only
}
// etc.
$choice = false;
$range_all = false;
$range_two = false;
$range_other_two = false;
foreach($_POST['CheckboxGroup1'] as $checkbox)
{
if($checkbox == 'choice')
{
$choice = true;
}
elseif($checkbox == 'range_all')
{
$range_all = true;
}
//etc
}
if($choice && $range_all && !$range_two && !$range_other_two)
{
// choice and range_all only.
}
// etc.