How Do I Configure PHP? Configuring PHP

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To configure a PHP setting, in Windows Explorer open your PHP installation folder. Search the php.ini file for the setting. Save and recycle the IIS Application Pools for PHP to pick up the configuration changes. Typing php -v shows the PHP version. The phpinfo() function checks PHP configuration, modules, and version. It helps in debugging issues related to PHP settings and server configuration.

In Ubuntu system with Apache2 and MySQL, install PHP. Verify if files exist. If not, enable the module. Download PHP ZIP package from www.php.net/downloads.php. Extract files. Add C:php to path. Configure PHP as Apache module.

Use XAMPP package. Download XAMPP-Windows which includes PHP 5 engine.

Check if PHP installed by typing php -v command, replacing [location] with path to PHP installation.

We taught how to install PHP on Ubuntu 22.04. Also how to uninstall. We use Ondrej PPA to install multiple PHP versions on one system.

In Visual Studio code, install PHP and XAMPP. Go to PHP website. Click on "Windows downloads". Scroll down to "VS16 x64 Thread Safe". Click on zip file.

Upgrade PHP will create new php.ini file. The file controls variables like upload sizes and timeouts. To setup PHP development environment, install XAMPP on Mac or Windows.

When using PHP as an Apache module, you can also change the configuration settings using directives in Apache configuration files (e.g. httpd.conf) and .htaccess files. You will need "AllowOverride Options" or "AllowOverride All" privileges to do so.

PHP has various security-related settings that can be configured to protect your application from common vulnerabilities.

The configuration settings are stored in a text file named as php.ini. PHP looks for the file php.ini when it begins and uses the settings it finds. If PHP can’t find the file, it uses a set of default settings.

Date and Time Settings. You can configure your PHP scripts’ default time zone and date format. Extensions.

To write PHP code, you need a development environment. Here are the steps to set one up:

  1. Choose a code editor like Visual Studio Code, Sublime Text, or PhpStorm.
  2. Choose a local web server like Apache, Nginx, or XAMPP.
  3. Configure your local web server to work with PHP.

To write PHP scripts, open a text editor and create a new file with a .php extension.

A PHP script starts with <?php and ends with ?>. The code goes in between. ".php" is the default file extension.

Now that you have set up PHP and learned its syntax, let’s create a “Hello World” program:

  1. Open the XAMPP installation directory.
  2. Create a PHP file.
  3. Write PHP code between <?php and ?> tags.

Setting up your PHP environment involves:

  1. A web server like Apache to execute PHP code
  2. The PHP engine
  3. A text editor or IDE

Most of the code is plain HTML. Only between <?php and ?> is PHP code.

To create your first PHP project:

  1. Create a root folder named "MyPHPProject"
  2. Create a "src" folder for PHP classes and files
  3. Open a file with ".php" extension
  4. Open PHP tags and start coding!

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