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Table of Contents
Install PHP environment
Run PHP scripts using the command line
Build a local server to run PHP
Notes and FAQs
Home Backend Development PHP Tutorial How to run PHP scripts locally?

How to run PHP scripts locally?

Jun 28, 2025 am 02:14 AM

To run PHP scripts locally, 1. First install the PHP environment. Windows can use XAMPP or configure environment variables. macOS/Linux can be installed with brew/apt/yum; 2. Directly execute the php test.php test script through the command line; 3. If you need to access the browser, you can use php -S to start the built-in server or use XAMPP to build a complete environment; 4. Pay attention to path, version differences, error prompt settings and file encoding issues. Follow the steps to run the PHP script smoothly.

How to run PHP scripts locally?

It is not difficult to run PHP scripts locally. Just prepare the right environment and execute it directly like running other scripts.

How to run PHP scripts locally?

Install PHP environment

To run a PHP script, you must first install PHP locally. Windows, macOS, and Linux all support PHP, but the installation method is slightly different.

How to run PHP scripts locally?
  • Windows : You can use integrated environments such as XAMPP and WAMP, or you can download PHP and configure environment variables separately.
  • macOS/Linux : Usually installed using the command line, for example, if you use Homebrew to enter brew install php , Linux can be installed using apt or yum.

After the installation is completed, enter php -v to view the version number to confirm whether the installation is successful.

Run PHP scripts using the command line

This is the easiest way to test and develop small features.

How to run PHP scripts locally?
  1. Create a new .php file, such as test.php , and write simple code:
     <?php
    echo "Hello, world!";
    ?>
  2. Open the terminal or command line tool and enter the directory where the file is located.
  3. Enter php test.php , and if everything is OK, it will output Hello, world!

This method does not rely on the web server, only runs the script itself, which is suitable for debugging functions, algorithms, etc.

Build a local server to run PHP

If your script needs to be accessed through a browser (for example, involving HTML form submission), you need to start the local server.

  • The easiest way is to use PHP's built-in development server. Run in the project directory:

     php -S localhost:8000

    Then open the browser and visit http://localhost:8000/test.php to see the effect.

  • If you need a more complete environment (such as connecting to a database), it is recommended to use XAMPP or MAMP. Put the PHP file in the htdocs directory, start Apache and access it through http://localhost/yourfile.php .

  • Notes and FAQs

    Some details are easily overlooked, causing the script to fail to run:

    • Path problem : When including files (such as include 'config.php' ), pay attention to the difference between relative and absolute paths.
    • PHP version differences : Different versions may support certain functions differently, especially old projects may make mistakes.
    • Error prompts are turned off by default : Sometimes the page is blank because the error prompt is not turned on. You can set display_errors = On in php.ini to view the specific error report.
    • File encoding and format : Save as UTF-8 and has no BOM format, otherwise it may cause header errors.

    Basically that's it. It is not complicated to operate, but some details are easy to be overlooked, especially when novices build it for the first time. After getting familiar with it, running a PHP script is as convenient as writing a Python script.

    The above is the detailed content of How to run PHP scripts locally?. For more information, please follow other related articles on the PHP Chinese website!

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