Validating checkboxes in php

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Especially a good way to check to see that at least one checkbox is checked for more than one question. Julie It's much easier to do this type of thing with j Query, rather than straight Java Script.

I found this example that looks good but struggling to find a way to do this across multiple questions. I recommend you check out our Build an Interactive Website course if you haven't already.

So just as with radio buttons, use the rules in Recipe 9.2 to determine that something was submitted for the checkbox before proceeding with further validation.

Recipe 9.2 for information about validating required fields; documentation on array_intersect( ) at

You want to make sure only valid checkboxes are checked.

For a single checkbox, ensure that if a value is supplied, it's the correct one.

I have a form on a website that needs checkboxes to be processed by PHP, but i have no idea how to implement them.

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validating checkboxes in php-19

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I have been battling on my dynamic checkboxes in such a way that if none is checked the form is return, also I need to retain what was checked when the form postback due to other invalid inputs.

Code: [Select]$result = mysql_query("SELECT * FROM course") or die(mysql_error()); if ($result) Help needed purely on php codes. I have been battling on my dynamic checkboxes in such a way that if none is checked the form is return, also I need to retain what was checked when the form postback due to other invalid inputs.

The website is: anyone can have a look and give me an example of how to change the php to process the checkboxes when submitted, I will be very grateful cheers! Basically the site has a custom build CMS (I'm learning). If it is then add a class called .active to that li item only. any help would be great thank you, Code: [Select]$subnav = new Data Conn; //connection to database with my classes file$subnav-since many do not know the term sticky = when a form is submitted, the data contained is not deleted but instead last checked data will be shown.

I have created a dynamic subnav in my page where entries can be added or removed in the admin area for the site. I have some dynamically generated checkboxes from the database. How can call the data from mysql and make the values checked on the checkboxes Have got three tables.

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