Integrating OPcache to Improve PHP Application Performance

PHP, a web scripting language, offers you an incredible market penetration with the ability to develop powerful and interactive web applications. Being an open-source programming language backed up by a huge developers community across the world sharing solutions, PHP always remains the treasured choice for both developers and retailers. Another reason for its wider acceptance is an extended scope of customization, leading to scalability while offering a fair command over the website.

Talking about scaling a website, it includes integrating different APIs and extensions, to improvise PHP applications. One extension that we are going to discuss here is directly proportional to PHP app performance to bring greater revenues.

In the pursuit of a well-performing PHP application, we might have come across several terms like caching, page load times, and so forth. The term that we will discuss today is OPcache.

So, what is OPcache?

With PHP 5.5 and onward versions, you will get opcode caching into the core through OPcache. Earlier it was better known as the name Zend Optimizer+ and was a closed source for developers. Later, its implementation becomes open-source and was easily found in core PHP offerings.

To use this, you need to enable it manually for the previous PHP versions.

Why use OPcache?

OPcache enables us to amend PHP applications’ performance by distancing the server load to parse scripts on each browser request. This script works along with the code compiling process. Primarily, when you perform PHP code compilation, the displayed code is regenerated to machine learning, and it takes time to accumulate all other scripts, further.

This way, your PHP powered web application is taking a lot of time while slowing down the speed for end users. You can also hire PHP developers for the appropriate integration of OPcache so that you can attain precise results. To outline some core advantages of implementing OPcache in PHP,

- It a quick way to decrease the PHP code’s latency.
- Your app will experience a certain reduction in response time when OPcache implemented.
- OPcache leads to an enhanced app performance while storing compiled script byte code in the shared memory.
- It allows you to reduce the load on the server.

In order to use this PHP extension, you need to enable it during the production phase of your application.

How to enable OPcache?

We can enable OPcache from cPanel interface by following the below-mentioned flow:

By following this flowchart, we have successfully installed OPcache for our PHP application. Once you have enabled OPcache, it is vital to know which files are being cached in actual. There is a good quality of this PHP extension- the whole process of caching is transparent to the developer or a visitor.

In case, you want to check the status of OPcache, you can use any of these two functions:

opcache_get_status and opcache_get_configuration()

Fortuitously, there are a few prepared scripts to fetch OPcache configuration that are readily available for your use. You can easily pick them up and fetch status data while displaying it in a friendly way. In this approach, you do not need to write any code instead, you can pick up any tool available such as CacheTool or OPcache control panel- to name a few.

To Sum Up

When we are working with PHP, there are a plethora of options available to boost our application’s performance and allow several enhancements at one time. And, one of those options is OPcache that is quite beneficial to initiate with performance issues of your PHP application.

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