How to Change the WordPress Login Page...
This snippet allows you to easily change the URL of the logo on your WordPress login ...

WPCodeBox
95
Learn how to disable plugin deactivation in WordPress to prevent essential plugins from being deactivated. This snippet provides the code and instructions you need to keep your WordPress site running smoothly.
<?php
function disable_plugin_deactivation( $actions, $plugin_file, $plugin_data, $context ) {
if ( array_key_exists( 'deactivate', $actions ) && in_array( $plugin_file, array(
'advanced-custom-fields/acf.php',
'gp-premium/gp-premium.php'
)))
unset( $actions['deactivate'] );
return $actions;
}
add_filter( 'plugin_action_links', 'disable_plugin_deactivation', 10, 4 );