PHP file details

We may have encountered php files in normal times, but many users don’t know what a php file is? They don’t know how to open a php file? In order to satisfy the curiosity of some users, the editor will now explain the php file to you. And how to open php files.

1. What is a PHP file?

PHP (Hypertext Preprocessor) hypertext preprocessor is a scripting language that is executed on the server side and embedded in HTML documents. , the language style is similar to C language, it is widely used in Internet development, and it is easier to learn!

PHP syntax is a mixture of C, java, Perl and PHP's own syntax. (You can see the comparison between PHP and Java) The execution efficiency of PHP is extremely high; PHP can also execute compiled code. Compilation can achieve encryption and optimize code running, making the code run faster. PHP is extremely powerful and can be compatible with all databases. Programs can also be expanded using C and C++! Currently, many excellent products on the Internet are masterpieces of PHP, including Facebook, Sina, Yahoo, Sohu, MSN, etc., and the world's top 500 companies. 394 of them use PHP technology. According to statistics, more than 70% of the world's traffic comes from the PHP language!

2. How to open a PHP file?

If you just want to open and view the source code, the easiest way is to use Notepad. Notepad++, phpedit, UltraEdit, Dreamwere, VIM editor, etc. can all be opened.

First find a PHP file, as shown in the figure below.

　1) Open with Notepad

　①Right-click the php file and select "Open (o)" in the pop-up list, as shown below shown.

　②Select "Notepad" in the opening method option.

　③Then you can see the php code in Notepad, as shown in the picture below.

　2) Use Notepad++ to open

　①Click the php file and select "Notepad++" in the list that appears, as shown in the figure below.

　② Then you can see the php code opened in Notepad++ as shown below. You can see that the php code displays different colors at this time. This is the highlight that comes with Notepad++. .

##　3) Open with UltraEdit

Open with UltraEdit, you can see that the highlighting of the code display is different. Different editors display different highlighting. You can adjust it yourself.

php language is a background scripting language. Unlike html, js runs directly. If you want to run php files, you must have a php environment. The installation of php environment is relatively simple, and there are many online Tutorial. PHP is an excellent language and I recommend that you learn it.

Related recommendations:

Example analysis of PHP file lock and process lock

Since swoole was introduced earlier, let’s borrow swoole The server/client and multi-process mechanism of the server/client explain the lock. This article mainly introduces the use examples of PHP file lock and process lock...

PHP files can also be executed every few seconds Once

Maybe we didn’t know why the server took a long time to respond, but through the comparison of the two examples in the article, we will know how to implement the PHP file to be executed every few seconds, so Also found a solution...

The above is the detailed content of PHP file details. For more information, please follow other related articles on the PHP Chinese website!