How would you handle cookies and cache in a PHP application?

Question

Accepted Answer

Cookies and cache in a PHP application can be handled by setting and retrieving cookies, using caching mechanisms like memcached or Redis, and implementing cache control headers.

Set cookies using setcookie() function in PHP
Retrieve cookies using $_COOKIE superglobal
Use caching mechanisms like memcached or Redis to store frequently accessed data
Implement cache control headers to control caching behavior in the application

Accepted Answer

In a PHP application , cookies can be used to store small amount of data on the client side.They are typically used to maintain user sessions or store user preferences .To handle cookies in PHP , use the $_COOKIE' superglobal variable to access and manipulate cookie values.
Caching in PHP is important to improve performance by reducing the load on the server. We can implement caching by storing the generated caontent in a cache and retriving it when needed.In PHP , we can use various caching techniques like using memcached or redis as a cache store or implementing server-side caching using frameworks like Symfony cache or Laravel Cache.

How would you handle cookies and cache in a PHP application?

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