Simple Guidance For You In Efficient PHP Caching Techniques In 2020

PHP Caching Techniques
PHP Caching Techniques

In this guide, We will provide you the information and benefits of Php Caching Techniques. These Php Caching Techniques help you to choose the caching method according to your requirement of the website.

We are going to see below points in detail which will help you to understand the things a better way.

  • What is caching?
  • Why caching is important?
  • Php Caching Techniques

What is Caching?

A cache is basically a temporary storage space where often accessed data could be stored for faster access. when the cache is stored in memory it’s faster than accessing it from disk or database.

Why Caching is Important?

  • Caching helps to reduce the retrieval queries made to the database.
  • Caching will reduce filesystem access.
  • Caching will help to make the website faster which helps to improve user satisfaction.
  • Caching will help to provide better SEO Scores.
  • Caching will save time and bandwidth.
  • Caching will help the website to perform better and protect you in the case of sudden high traffic on the website.

PHP Caching Techniques

Now we will see types of most famous PHP caching techniques that are used to boost the performance of PHP application.

  • Varnish Cache
  • Memcached
  • Redis Cache
  • APC Cache

Varnish Caching

  • Varnish caching is the full page caching technology that helps to optimize and improves the performance of PHP application.
  • It is the lastest and most stable caching technology.
  • Varnish cache is a web application accelerator also known as HTTP reverse proxy.
  • It is working on port 80 as a front web application. Varnish will improve your website speed 1000x faster. It works well in good server architecture.
  • Varnish always runs on 80 and 443 [if SSL is configured] port because on internet domains run through the HTTP or HTTPS. To configure varnish cache, you need to understand the working of varnish default.vcl conf file.
  • Varnish cache will support multiple platforms like Linux, FreeBSD, and various Solaris-descendants like Oracle Solaris, OmniOS, and SmartOS.
  • If you really want the site to perform better then varnish cache is the best option for your website.


  • Memcached is the second-best caching application which helps to improve your site performance.
  • It is an open-source high performance and free caching system or service.
  • Memcached will help you to cache API calls, database data, and pages in RAM to perform application faster.
  • The best thing about Memcached, it is working on TCP protocol which means you can able to install it on a separate server and use it on another server which leads to the big hash table to store your data.
  • Memcached is made in such a way if your Memcached space is running out of space it will overwrite or replaced by newer data.
  • Memcached by default working on 11211 port.
  • Memcached is an Open source technology. You do not need to pay anything to make your site perform better.
  • You can use Memcached to decrease the load on the database by caching database queries which are most frequently or more user visited.

If you think it is the best and good caching application for your website then check out my previous article on Memcached. I have explained each and every part Memcached which helps you to configure Memcached on your server

Read: Memcache installation and configuration

Read: How to Check Memcached Version

Redis Cache

  • Redis Cache is an open-source, advanced key-value store and a serious solution for building high-performance, scalable web applications.
  • Redis cache will handle the persistent data. Redis is a more efficient caching application because it consumes comparatively fewer memory resources for metadata.
  • The good thing about the Redis cache will support Master-slave replication which means whenever once of your Redis node goes down others will handle the request. It is providing a stronger data structure.
  • Redis will support multiple databases using the same server instance. With that much feature Redis will obviously the first choice of any PHP developer to improve the performance of a website.

APC (Alternative PHP Cache)

  • APC is also a good in-built code caching system use in PHP to improve or speed up site performance.
  • APC will save PHP operation code in the RAM memory. When the same request generates then the results will provide directly from RAM memory.
  • By this process, it will reduce the load on server bypassing the repetitive requests.

Follow the below guide to implementing the APC cache.

Read: How To Install Alternative PHP Cache (APC)

I hope you like the article if you have any other useful information about PHP caching techniques, do share with us, or do you have questions or thoughts to share about this guide? If yes, reach us via the comment section below.


Welcome to Linuxgrow. I'm Prashant, a tech-blogger from Mumbai, India. I started Linuxgrow as a passion and to share my knowledge about technologies. Here at Linuxgrow, I write about Linux technologies, Aws Cloud, Wordpress blogging and scripting knowledge. You can read more about me at About us page. Thank You :)

You may also like...

Leave a Reply

Your email address will not be published. Required fields are marked *