How can I make my PHP code faster?

Is PHP fast or slow?

PHP may not be as fast as compiled server side languages, but it is still pretty fast and does the job. The “speed” aspect of php has more to do with the user experience than with the performance itself.

Do PHP comments affect performance?

If your site is slow, comments are not the reason. The only way it is slower, is that the interpreter has to read more bytes. But as for execution speed, it has no influence, because they are just ignored by the interpreter. So basically, it does not matter if you add comments.

Can anyone see my PHP code?

Only readability for humans. If your php-files are parsed by the http server, nobody can get them. If someone access a php file on your site all they will see is the code output by the PHP script (e.g. any HTML, or Javascript) – they won’t see the source for the PHP page itself (and will have no way to access it).

What happens to PHP code on the browser?

You request a file, the web server happens to be running PHP, and it sends HTML back to the browser, thanks to the programming in PHP. … When PHP language statements are processed, only the output, or anything printed to the screen is sent by the web server to the web browser.

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Why is PHP so slow?

So why is PHP slow in comparison with some other languages? PHP is a dynamic, interpreted language. This means that it is not compiled to machine language but rather read at runtime. PHP also has a share-nothing architecture, so on every request it interprets everything from fresh.

What is faster in PHP?

single quote is generally faster, and everything quoted inside treated as plain string, like echo ‘anyting else ? $ something’; >> anything else? $ something. PHP won’t use additional processing to interpret what is inside the single quote.

Do comments make your code slower?

4 Answers. Commenting will not affect the script execution time in normal case. But the number of lines you write in your code affect the parser to read and buffer it considerably.

How can I speed up my PHP website?

How to speed up your website in 2019

  1. Minimize HTTP requests. …
  2. Minify and combine files. …
  3. Use asynchronous loading for CSS and JavaScript files. …
  4. Defer JavaScript loading. …
  5. Minimize time to first byte. …
  6. Reduce server response time. …
  7. Choose the right hosting option for your needs. …
  8. Run a compression audit.

Do adding comments slow down code?

Comments are stripped from the compiled code, they can not slow down your compiled program.

Is PHP code hidden?

Your PHP source cannot be viewed directly via browser. You can obfuscate the php files on the server for extra protection. Obfuscation makes it more difficult for an attacker to understand your code, if he eventually gets in. Remember to keep an un-obfuscated back-up of your files.

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How do I know if PHP is installed?

Make sure the Web server is running, open a browser and type http://SERVER-IP/phptest.php. You should then see a screen showing detailed information about the PHP version you are using and installed modules.

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