WordPress / PHP Cookie

wordpress-cookie.php

<?php

namespace My_App\Includes;

/**
 * Class Extras
 * 
 * @since    1.0.0
 */
class Extras {
	
	/**
	 * Set cookie
	 * 
	 * @since 1.0.0
	 * @param string $cookie_name The cookie name to set.
	 * @param string $cookie_value The cookie value to set.
	 * @param int $cookie_lifetime Number in seconds of the cookie's lifetime.
	 */
	public static function set_cookie( $cookie_name, $cookie_value, $cookie_lifetime = YEAR_IN_SECONDS ) {
		if ( ! defined( 'PHP_VERSION_ID' ) ) {
			$version = explode( '.', PHP_VERSION );		
			define( 'PHP_VERSION_ID', ( $version[0] * 10000 + $version[1] * 100 + $version[2] ) );
		}

		if ( 70300 <= PHP_VERSION_ID ) {
			$cookie_options = [
				'expires'  => strtotime( $cookie_lifetime ),
				'path'     => '/',
				'secure'   => false,	// set to `true` to allow only on https
				'httponly' => true,     // set to `true` to allow only on http/https protocol
				'samesite' => 'Lax', 	// None, Lax or Strict
			];

			setcookie( $cookie_name, $cookie_value, $cookie_options );
		}

		if ( 70300 > PHP_VERSION_ID ) {
			setcookie( $cookie_name, $cookie_value, strtotime( $cookie_lifetime ), '/' );
		}
	}

	/**
	 * Unset cookie
	 * 
	 * @since 1.0.0
	 * @param string $cookie_name The cookie name to unset.
	 */
	public static function unset_cookie( $cookie_name ) {
		unset( $_COOKIE[ $cookie_name ] ); 
		self::set_cookie( $cookie_name, '', time()-3600 );
	}
	
}