How WordPress works behind the scenes?

Why You Should Learn How WordPress Works? You know that WordPress is open source web based software that means anybody can study its code and transcribe own apps and templates at all. Learning how WordPress goes on behind the scenes can easily help you realize what you can really do with it. You can study about refining WordPress presentation and write better code for your own missions.




How WordPress works behind the scenes?


Do you know actually How WordPress works behind the scenes? For most of the users, it appears simple because you type a URL and a page loads within a few seconds, but there is a lot that occurs behind the scenes. In this article, I will guide you how WordPress actually works behind the scenes. I think you will understand it.

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Why You Should Learn How WordPress Works?


You know that WordPress is open source web based software that means anybody can study its code and transcribe own apps and templates at all. Learning how WordPress goes on behind the scenes can easily help you realize what you can really do with it. You can study about refining WordPress presentation and write better code for your own missions.

1. Load wp-config.php File
The wp-config.php is one of the most important WordPress configuration file. It totally sets global variables for a WordPress website and encloses your WordPress database info. It is the first file WordPress loads for noticeable reasons.

2. Setup Default Constants
After successfully loading wp-config.php file, WordPress will now move on to set default numbers. This contains info like default WordPress upload position, supreme file sizes, and other default numbers set in wp-config.php file.

3. Load advanced-cache.php File
If advanced-cache.php file is on your site, then WordPress will easily load it next. This folder acts as a drop-in file and generally is used by numerous popular plugins mainly WordPress caching plugins. If your website is using this file, then you can see a new entry on the plugins screen called Drop-ins.

4. Load wp-content/db.php File
WordPress will allow developers to generate their own database intellection layers and load them in a db.php file located inside the wp-content folder. It is usually used by WordPress caching plugins to increase database show. If your website has this file exist, then WordPress will easily load it.

5. Connect MySQL and Select Database
WordPress now have sufficient info to proceed further. It will transfer on to connect to the MySQL server and choose the database. If WordPress fails to connect to the database, then you will notice the “Error establishing database connection” error and WordPress will leave right here. If everything looks fine, then it will move on to following steps.

6. Load object-cache.php or wp-includes/cache.php File
WordPress will now find object-cache.php file. If it is not present, then WordPress will change on to load wp-includes/cache.php file at the same time.

7. Load wp-content/sunrise.php File
If it is a multisite system, then WordPress will now search sunrise.php file if it is not present in the wp-content folder.

8. Load Localization Library
WordPress will currently load l10n.php library in the wp-includes folder. This file usually loads WordPress localization structure, loads conversions, sets locales, etc.

9. Load Multisite Plugins
If it is a multisite system, then WordPress will usually load the multisite plugins at the same time. You can easily find it in the WordPress Database.

10. Do Action ‘muplugins_loaded’
The action muplugins_loaded is currently run by WordPress. This system is available only to network connected plugins on a WordPress multi website.

11. Load Active Plugins
WordPress will currently load all dynamic plugins on the website. This will allow WordPress to disregard plugins that are connected on your site but not initiated.

12. Load pluggable.php File
The pluggable.php file encloses functions which can be redefined by WordPress plugins. WordPress will now notice if the functions in this file are previously defined by another plugin at the same time. Then, it will define those functions work itself.

13. Do Action ‘plugins_loaded’
WordPress will currently run the action ‘plugins_loaded’. It will allow developers to catch their functions to run after all connected plugins have been easily loaded.

14. Load Rewrite Rules
WordPress is now load the revision rules. These rewrite rules aid WordPress use SEO responsive URLs.

15. Do Action ‘setup_theme’
WordPress will easily move on to run ‘setup_theme’ action at the same time. This action usuallyruns earlier your WordPress theme is fully loaded.

16. Do Action ‘widget_init’
The widget_init action generally will allow the developers to record widgets and run code they usually needed to run at the same time.

17. Run wp()
WordPress currently calls wp() utility which is situated in wp-includes/functions.php file. It usually sets up the WordPress enquiry globals $wp, $wp_query, $wp_the_query and formerly calls $wp->main.

18. Parse Request
At present WordPress has all the info it needs to parse the user demand. It shocks by proving the revision rules to match the user’s application. And then goes query adaptable filters, request action hook, and guides header request.

19. Do Action ‘template_redirect’
WordPress will currently run the template_redirect action. This hooks runs just earlier WordPress controls which pattern page to load.

20. Load Feed Template
If the demanded content is a RSS feed, then WordPress easily loads the feed pattern.

21. Load Template
WordPress will easily look for the pattern file based on WordPress template ladder. It then easily loads the template which typically comprises a WordPress loop.

22. Do Action ‘shutdown’
Just earlier ending all PHP execution, WordPress passions the last action called shutdown. You will see WordPress stops working in this situation. It has already run the code and produced user’s requested web page usually.

Currently, your web hosting server tries to replies to user’s request by transferring them the web page made by WordPress. This page comprises HTML, CSS, and Javascript code, which expresses user’s browser how to show it on screen at the same time. I hope this article will be helpful to know about how WordPress works behind the scene. I would like to welcome you to my website.  If you have any problem you can feel free to contact with me. If you like this article, then please share it with your friends. 
Thank you very much.

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IT Info World: How WordPress works behind the scenes?
How WordPress works behind the scenes?
Why You Should Learn How WordPress Works? You know that WordPress is open source web based software that means anybody can study its code and transcribe own apps and templates at all. Learning how WordPress goes on behind the scenes can easily help you realize what you can really do with it. You can study about refining WordPress presentation and write better code for your own missions.
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