How can developers ensure that PHP is properly installed and configured on their system before running their applications?

Developers can ensure that PHP is properly installed and configured on their system by checking the PHP version, enabling necessary extensions, and setting up the PHP configuration file correctly. One way to verify the installation is by running `php -v` in the command line to check the PHP version. Additionally, developers can create a `phpinfo.php` file with `<?php phpinfo(); ?>` code and access it through a web browser to see detailed PHP configuration information. 

&lt;?php
php -v
```
```php
&lt;?php
// Create a phpinfo.php file with the following code
&lt;?php phpinfo(); ?&gt;
// Access the file through a web browser to view PHP configuration information

Keywords

PHP installation configuration system applications

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