How to check the PHP version number used by a website

In the modern network field, PHP is a very popular server-side scripting language, and many websites use PHP to run their website applications. However, sometimes it may be useful to check the PHP version number used by a website. Let's take a look at how to check the PHP version number used by a website.

1. View the source code of the website

We can obtain the PHP version number information by viewing the source code of the website. Pressing Ctrl U on the keyboard will open the source code of the website, and then we can use the CTRL F key to search for scripts that contain the phpversion() function. This function will output the current PHP version number.

2. Use online tools to query

You can also use online tools to query the PHP version number used by the website. These tools usually require you to enter the URL of the website you want to query, and then return the PHP version number of the website. You only need to search for "PHP version number query tool" in the search engine to find a variety of optional tools.

3. Query server configuration

You can also query the server configuration file. Normally, the PHP version number information is stored in the server configuration file. Different service providers store this information in different locations. Generally speaking, this information will be stored in comments in the PHP configuration file or Apache configuration file.

In Linux system, you can execute the following command to check the PHP version:

php -v

If you want to check the Apache version, you can execute the following command:

httpd -v

In Windows In the system, you can open the command prompt (CMD) and enter the following command to check the PHP version:

php -v

It is very easy to query the PHP version number. Although there are many methods, generally speaking, we only need to use one of them One way to easily get the information you need. With the speed and convenience of the Internet, querying the PHP version number used by a website only takes a few seconds to complete.

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