WordPress – Toggle Redirect Function On/Off With Checkbox

I am trying to set up a redirect that is toggleable via admin backend, using a checkbox. Here is my redirect function:

function redirect_to_prelaunch_page()
{
if (get_current_user_id() == 0 && !is_page(“pre-launch.html”))
{
wp_redirect( ‘https://prettygals.co.uk/pre-launch.html’, 301 );
exit;
}
}

This redirect works great in my theme’s functions.php, but i’d like to include it in my plugin.

Below is the code i’ve got for my plugin:

<?php

//redirect to pre-launch page if not logged in and not on pre-launch page already

function redirect_to_prelaunch_page()
{
if (get_current_user_id() == 0 && !is_page(“pre-launch.html”))
{
wp_redirect( ‘https://prettygals.co.uk/pre-launch.html’, 301 );
exit;
}
}

//create custom plugin settings menu
add_action(‘admin_menu’, ‘pg_base_plugin_create_menu’);

function pg_base_plugin_create_menu() {

//create new top level menu
add_menu_page(‘PrettyGals Base’,’PrettyGals Base’, ‘administrator’, __FILE__, ‘pg_base_plugin_settings_page’, ”, 9999999 );

//call register settings function
add_action(‘admin_init’, ‘register_pg_base_plugin_settings’);
}

function register_pg_base_plugin_settings() {
//register settings
register_setting(‘pg_base’, ‘pg-prelaunch’);
}

function pg_base_plugin_settings_page() {
?>
<div class=”wrap”>
<h1>PrettyGals Base</h1>

<form method=”post” action=”options.php”>
<?php settings_fields(‘pg_base’); ?>
<?php do_settings_sections(‘pg_base’); ?>
<table class=”form-table”>
<tr valign=”top”>
<th scope=”row”>Pre-Launch</th>
<td><input type=”checkbox” name=”pg-prelaunch” value=”1″ /></td>
</tr>
</table>

<?php submit_button(); ?>

</form>
</div>
<?php } ?>

It all works as it should (as in the checkbox etc shows up as it should), but i’m not sure where to go from here.

I figured i’d use IF checkbox == checked then call the function the redirect is in. Is this right?

Also, the checkbox doesn’t stay checked when submitting, any idea why or how to fix this?

I am still learning so any help is greatly appreciated. I was referencing this page to create this.

Cheers, D

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