How do I know if PHP is installed on Windows?
How to check PHP version on Windows 10 or 11
Before following this tutorial, please make sure that PHP is properly configured on your Windows system. In addition to this, you will need a command prompt or terminal access.
Check PHP version using Command Prompt or Powershell
The best and easiest way to identify the installed PHP version is to use its command line tool. However, to use it, the user must have access to a Windows command line application such as CMD.
Go to Windows 10 or 11 search box and type CMD or Powershell. You can use any of them. When the icon appears on any of these tools, click it to run it.
Run the given php
command which will help you check the PHP version installed on Windows 10/11 or any other version you are using:
php -v
or
php -version
The above commands are not limited to Windows, but can also be used by users of other operating systems such as Linux or MacOS. When you run the grammar, the version and technical details are returned.
However, if you have more than one installed, this command will only show the default version on your system, not all available versions.
PHP is not recognized as an internal or external command
Sometimes if you run PHP -vand get an error at the Windows prompt or PowerShell PHP is not recognized as an internal or external command , then it is possible that the location where PHP is installed is not added to your system path.
So, first open the C drive and find out the path where PHP is located. By default it will be: C:\Program Files\php\php.exe
However, we use Choco to install it, so our default The path is C:\tools\php
After confirming the location, open the system variables window. To do this, go to the search box and type -Edit System Environment Variables
Click on it as the option is available in the search results.

Soon System Properties will open, here you have to click "Environment Variables... " button.

Select Path from the System Variables area and click the Edit button for more options for use in Windows Add the path to the folder where PHP is installed.

Finally , click the Browse button and navigate to the folder where PHP is located .

Once you find the folder, select it and press the OK button.

Now, open Command Prompt or PowerShell to run php -v
Common commands that display version-related details.
Create a PHP Info() page on Windows
Another way to check the PHP version on Windows 11 or 10 is to use a line of code that will display all the necessary information, Includes extensions and their versions.
For your command prompt or terminal type:
notepad info.php
Paste the following code after that and Save and Close the file .

Now, you may not know that PHP comes with its own web server that we can use to test PHP based applications. So, run:
php -S localhost:8000

created info.php you will see PHP's built-in Web The server will start at your current Windows command prompt. Now, open your browser and type :
http://localhost:8000/info.php
You will see a detailed message about the PHP version you have installed.

The above is the detailed content of How do I know if PHP is installed on Windows?. For more information, please follow other related articles on the PHP Chinese website!

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