PHP programming Language Interview Question
Comprehensive source of knowledge for interviews PHP programming Language.
Introduction to PHP
1. What is PHP

PHP là viết tắt của PHP Hypertext Preprocessor is an open source server-side scripting language widely used for dynamic website design and mobile APIs.
PHP supports many databases such as MySQL, Solid, PostgreSQL, Oracle, Sybase, etc. PHP code is embedded in HTML.
PHP is also the language for building WordPress which powers about 80% of websites on the Internet.
2. Why learn PHP
PHP is not the only server-side scripting language available – there are many others. However, it has an advantage over its competitors if you are running a WordPress website.
As mentioned earlier, WordPress is built on the use of PHP. So using this language greatly improves the amount of customization possible on the website. You can use it to modify existing plugins and themes or create your own. If you want to become a WordPress developer, you must learn PHP.
If you are still not convinced, here are some other reasons why PHP is a great scripting language to use:
- Easy to learn: you can learn easily as it has great documentation on its functions and examples.
- Widely used: it is used to create all kinds of platforms like e-commerce, blogs, social media etc. Statistics show that 80% of all websites use PHP.
- Low cost: it is open source so you can use it for free.
- Large community: if you face any problem with it, you don’t have to worry as there are many PHP blogs on the internet.