What are the potential pitfalls of not configuring PHP5 properly with Apache Server?

Potential pitfalls of not configuring PHP5 properly with Apache Server include security vulnerabilities, performance issues, and compatibility problems with PHP scripts. To solve this, it is important to ensure that the PHP5 module is properly loaded in the Apache configuration file and that the necessary PHP directives are set correctly.

# Ensure PHP5 module is loaded in Apache configuration file
LoadModule php5_module /path/to/php5_module.so

# Set PHP directives
AddHandler application/x-httpd-php .php
PHPIniDir /path/to/php.ini