I have a list which I am populating from my DB into multiple checkboxes using a foreach loop:
<?php
$sections_arr = listAllForumBoards(0, 1, 100);
$count_board = count($sections_arr);
$ticker = 0;
foreach($sections_arr as $key => $printAllSections){
$ticker = $ticker + 1;
$sectionId = getBoardPart($printAllSections, 'id');
$sectionName = getBoardPart($printAllSections, 'title');
$sectionSlug = getBoardPart($printAllSections, 'slug');
?>
<dd><label for="<?php echo $sectionSlug; ?>">
<input type="checkbox" name="section[]" id="<?php echo $sectionSlug; ?>" value="<?php echo $sectionId; ?>" /> <?php echo $sectionName; ?></label></dd>
<?php } ?>
The list is populating as expected. But I want to be able to check to make sure that a user selects at least one of the checkboxes. I've searched here in SO and I only got the one that was done using JQuery, but I want to be able to do this verification using PHP
In the file, where your form is submitting (action file) add this condition:
if (empty($_POST['section'])) {
// it will go here, if no checkboxes were checked
}
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