显示所选复选框的名称和值[关闭]

Question

I am trying to display the name of all the selected check boxes and their values. At the moment it shows the values of all the selected check boxes but not the name of the selected check box. How would I do this?

The sections of code are below. The HTML form section has 9 identical checkboxes apart from the name and value.

<?php
echo $_POST['jan'];
echo $_POST['feb'];
echo $_POST['mar'];
echo $_POST['apr'];
echo $_POST['may'];
echo $_POST['jun'];
echo $_POST['jul'];
echo $_POST['aug'];
echo $_POST['sep'];
?>

<div class="checkbox">
<label>$15 :     
<input name="jan" value="15" type="checkbox"> January
</label>
</div>

Any help would be great.

Answer 1

Checkbox parameters are only set if the box is checked. So test whether it's set:

if (isset($_POST['jan'])) {
    echo 'jan: ' . $_POST['jan'];
}

You can put this into a loop:

$months = array('jan', 'feb', ...);
foreach ($months as $m) {
    if (isset($_POST[$m])) {
        echo $m . ': ' . $_POST[$m];
    }
}