Delete and Expire Cookies - Before and After Plugin mod

wp_delete_cookies.php

<?php
/* 
Plugin Name:  Delete Cookies
Plugin URI: https://rayflores.com/plugins/wp-delete-cookies/
Description: Delete those unwanted cookies from sticking to the computer of the users for so long!
Version: 1.0
Author: Ray Flores
Author URI: https://www.rayflores.com/
*/

// Turn 10 days cookie to time = 10 seconds from login
add_filter( 'post_password_expires', 'wp_turn_time_ten_seconds' );
function wp_turn_time_ten_seconds( $time ){
	return time() + 180;
}

add_action('wp','remove_ba_goal_cookie');
function remove_ba_goal_cookie(){
	// clear session
		foreach ($_SESSION as $key => $value)
		{
			// test if $key starts with 'goal_'
			if (strpos($key, 'goal_') === 0) {
				// it does! so delete it
				unset($_SESSION[$key]);
			}
		}

		// clear cookies
		foreach ($_COOKIE as $key => $value)
		{			
			// delete cookie if it starts with 'b_a_a_g_'
			if (strpos($key, 'b_a_a_g_') === 0) {
				unset($_COOKIE[$key]);
				// set a new cookie with its expiration in the past 
				// so it will be deleted on next page load
				setcookie($key, '', time() + 10, '/');
			}
		}
}
add_action('wp_footer','delete_user_meta_goal');
function delete_user_meta_goal(){
?>
	<style>
	#gform_2 .gform_title {
		display:none;
	}
	</style>
<?php	
	
		// delete all goal completion post meta values for the current user
		$browser_hash = md5($_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']);
		$meta_key = 'b_a_goal_complete_' . $browser_hash;
		$args = array(
			'post_type' => 'b_a_goal',
			'posts_per_page' => -1,
			'post_status' => 'any',
			'meta_key' => $meta_key
		);
		$goals_completed = get_posts($args);
		if ( !empty($goals_completed) && is_array($goals_completed) ) {
			foreach($goals_completed as $goal) {
				$goal_meta = get_post_meta($goal->ID,$meta_key, true);
				if ( $goal_meta['ip'] === $_SERVER['REMOTE_ADDR'] ) {
					//print_r($goal_meta['ip']);
					delete_post_meta($goal->ID, $meta_key);
				}
			}			
		}
		
}