PHP Performance Optimization Tips For Developers

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Being one of the most veteran yet classy development technologies, the open-source server-side technology still manages to cover more than 80% of the websites on the internet. Previously, I was responsible for managing behind-the-scenes aspects, including servers, databases, APIs, and Caching. Now, PHP is the driving force behind several other aspects, such as enhanced user experience and customer satisfaction.

Now, what is the most crucial aspect of every developed web application? It is the overall performance. Yes, that’s what matters the most. I have come across several users who keep complaining about slow-loading pages, inaccessible pages, unresponsive links, and several other aspects. These concerns or issues are not at all acceptable and often lead to a significant loss of customers. Fret not; the following post assists in enhancing PHP-based apps. Yes, here you will come across some of the best PHP performance tuning tips or performance optimization tips, which won’t just enhance the app but also ensure to enhance your business with a long-lasting reputation as well.

PHP — Why should you consider PHP in the first place?

• For starters, it is highly compatible with other platforms.
• Ensures high-end security
• Easy to maintain
• Great flexibility
• Highly scalable and great in performance
• Hiring reliable and experienced PHP developers is easy.
• Quick and seamless maintenance
• The affordable development project is guaranteed.

Needless to say, I guess these aforementioned reasons are enough to understand why the world is craving for PHP technology. Once you are done with the website development project, you are bound to receive an outcome that is best in terms of appearance, features, and functionalities. Now, there are times when PHP-based websites lag when it comes to performance. Does that mean the tech isn’t worth considering? Of course not! A flawless user experience is only delivered when you end up optimizing PHP performance.

This brings us to some of the best PHP performance tips to consider right away. I am sure by the end of the following post, you will have a better understanding of how to conduct an impactful PHP execution project and offer relevant actionable insights on ways to enhance the PHP code’s efficiency. So, are you ready to unveil the perfect guide on PHP optimization?

Well, one last detour — why does a website need to be well-optimized?

Think of your website as a salesperson in your business; the only difference between this and actual sales and marketing guys is that this one works 24/7, round-the-clock service. Your website certainly acts as a first impression, so one shouldn’t take any kind of risk here. Now, what if I say that around 88% of people do not return the moment they have a bad experience with the website? In simple words, your website or online presence can have a significant impact on your business.

One of the common reasons that hinders the progress of your website could be the script or the coding. Well, these are one of the crucial reasons there are several other bottlenecks which lead to severe hampering in performance, such as:

• Older PHP versions
• Code quality
• Memory limits, maximum execution time, and opcode caching
• CPU
• Fragmented Filesystem
• Network with lower capacity
• Database performance
• Lack of Shared Memory
• PHP configuration
• Third-party libraries

This is where website optimization comes into play. The process is basically about enhancing your web presence in different areas, such as web traffic, conversion rates, and usability. The ultimate objective here is to come up with a website that ensures a smooth digital journey and, of course, creates a space where your valuable customers like to keep coming every now and then. Here, down below, I would like to mention the top benefits of considering optimization.

1. Increased traffic — The more optimized your website is, the more it is for your valuable customers to find you organically via search engines.
2. Increased revenue — The next benefit offered here is increased revenue and return on investment by converting potential leads into top buying customers. And of course, you end up creating a prime experience like none other.
3. Reduced server load — A well-optimized code can reduce the server load, ensuring great utilization of resources.
4. Loved by search engines — Even search engines love websites that ensure great performance, leading to increased traffic and high visibility.
5. Secured — Well-optimized websites are great when it comes to scalability as well as security. Since these are pretty much up-to-date and tend to run effortlessly, they are less vulnerable to attacks, security breaches, and data loss.

In addition to all this, optimized websites are easy in terms of support and maintenance. All you have to do is follow the best practices to make the website more maintainable.

Tips To Optimize PHP Web App Performance

Tip 1 — Try using native PHP functions

Conducting web development projects, especially in today’s fast-paced world, is pretty important yet petrifying. One wrong move can tear the entire building down. And I am sure you do not have time and energy to code new features and functionalities every single time; instead, try using PHP’s native functions.

If you are a beginner, things might not be so easy for you, but hang in there. Once you begin understanding how to successfully implement native functions, you will end up developing a faster and highly efficient application.

In addition, when you no longer need to code new functions, nothing can stop you from improving the PHP-based web apps’ time to market.

Tip 2 — Upgrade to the latest PHP version

The next tip is to keep your existing website updated and upgraded to the latest PHP version. Now tell me something: can you drive an ’80s car and expect to win a Formula One race? Of course not! Similarly, an outdated website won’t last long unless you update it with the latest version. By doing so, you won’t just stay relevant but also get the latest security patches and features. So what are you sitting tight for? Step on it and upgrade right away!

Tip 3 — Optimize the code

The next tip to take into account is optimizing the code. One of the most crucial aspects of PHP performance is having clean and efficient coding. Do you know it is possible to streamline the code execution? All you need to do is adopt all the latest and best practices. For example, it is always advisable to use proper algorithms, limit the usage of global variables, and always make sure to follow the don’t repeat yourself principles.

• Limit the use of global variables.

Overconsuming global variables can impact PHP performance. Since it consumes more memory, the risk of conflicts also increases. Here, what you can do is:

function processData($data) {

// Process data using local variables instead of global variables.

}

processData($inputData);

• Using single quotes for strings

The next aspect to take into account is using single quotes for strings. Usually, single quotes tend to work at a faster pace in comparison to double quotes; you see, the latter one requires variable interpolation. So, if not required, always choose a single quote:

$str1 = ‘This is a string using single quotes.’;

$str2 = “This is a string using double quotes with a variable: $str1”;

• Use the isset() Function

The next step is to choose the isset() function and stop comparing the variable to NULL. In the end, it’s all about developing a function that is much faster and efficient.

• Use JSON instead of XML or serialization.

Another interesting aspect to consider is JSON, which is a lightweight data exchange format that is way faster when it comes to encoding as well as decoding. Use ‘json_encode()’ and ‘json_decode()’ and see the results by yourself.

$data = array(‘name’ => ‘John’, ‘age’ => 30, ‘city’ => ‘New York’);

$jsonData = json_encode($data);

$decodedData = json_decode($jsonData, true);

• Use array key-value pairs instead of array_search()

Last but not least, one is to use array key-value pairs, since it is way faster than using array_search().

$userRoles = array(‘admin’ => 1, ‘editor’ => 2, ‘author’ => 3);

// Fast way to check for a role:

if (isset($userRoles[‘admin’])) {

// The user is an admin.

}

Tip 4 — Use a content delivery network (CDN)

The next tip to consider is using a content delivery network (CDN). Now, a content delivery network is a network of servers that is highly recommended to deliver web content to the end users based on certain criteria, let’s say geographical location. With the help of CDN, it is possible to improve the overall performance of the website. All you need to do is come up with a way to reduce the distance where data needs to travel between the server and the end user, so this leads to seamless distribution of load among multiple servers.

What to do? To use CDN with your existing PHP application, all you need to think of is storing your static assets, such as images, JavaScript files, and CSS files, on the CDN and successfully referencing them in the HTML code. Earlier, what you might be doing is when it comes to linking the image to a server

<img src=”/images/logo.png”>

Now, what you can do to link your image on the CDN:

<img src=”https://cdn.example.com/images/logo.png">

Fortunately, there are a plethora of CDN providers available at your service, ranging from Cloudflare to Akamai, Amazon Web Services (AWS), and more.

Tip 5 — Debugging notifications must be disabled

While the development phase is going on, developers often choose debugging notifications, and why not, since they easily happen to alert PHP developers regarding certain things which need to be fixed or fine-tuned, right then and there.

As soon as the development phase is well taken care of, there is no point in keeping these notifications on. So, it is worth disabling them, especially before the PHP app goes live.

What happens if you keep the debugging notifications on? Well, it can certainly slow down the performance of the web app, especially when keeping all the unnecessary procedures on in the background.

Some additional tips to consider-

1. Remove unnecessary calculations
2. Close database connections
3. Use a load balancer
4. Choose HTTP/2 to support HTTP requests.
5. Caching is important
6. Consider Just-In-Time (JIT) compilation.
7. Choose Lazy Loading
8. Choose great PHP frameworks.
9. Optimize session handling
10. Do not seek assistance from external dependencies

Parting Words

Developing a PHP-based application is a sure-shot way to win, but at the same time, you need to come up with relevant strategies that can assist in enhancing the performance of the app for the long haul.

On and all, optimizing PHP performance is very important to ensure a better user experience, enhance overall search rankings, and successfully reduce the server load. I hope the aforementioned tips can be of great help. And if you still find yourself struggling, it is advisable to look around for a reputable PHP development company that has a proven track record of not just developing amazing websites but also assisting well in maintaining them.

I hope you did find the following post worth taking into account. In case you have any issues or concerns, feel free to mention them in the comment section below.