Trying to run code in a plugin only if a checkbox is ticked - Meta Box

This topic has 2 replies, 2 voices, and was last updated 1 year, 10 months ago by Long Nguyen.

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September 30, 2020 at 5:13 PM #22211

Resolved Sridhar
Participant

Hello.

I am working on a custom plugin in which I would like to run certain code only if a checkbox field created using MB is ticked.

Code for the Settings page and fields: https://pastebin.com/raw/4QSjwZSr

Desired conditional code: https://pastebin.com/raw/qjT0bDCh

The checkbox field has been set to be ticked by default.

I am looking to run the code only if it is ticked.

What is happening currently is that the code is not running all the time i.e, as if the checkbox is not ticked.

Any idea?
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September 30, 2020 at 8:40 PM #22212

Sridhar
Participant

I think the issue is that when Save Changes is not clicked even once soon after the plugin has been activated, the value is null and I need to check for that in the code.

September 30, 2020 at 9:58 PM #22213
Long Nguyen
Moderator
Hi Sridhar,

You are right, before clicking the button Save Settings, the fields' value is not saved to the database so the helper function rwmb_meta() always returns a null value.

If you want to set the field kn_checkbox_kadence checked as default, please try to use this code:
```
add_action( 'admin_init', function() {
    if( get_option( 'kadence_navigator' ) !== null ) {
        $options = array( 
            'kn_checkbox_kadence' => 1
        );
        update_option( 'kadence_navigator', $options );
    }
} );
```
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