Advanced PHP Concepts
Advanced PHP concepts include the following:
File Handling -Create, Open, read, write to files
Working with File Transfer Protocol in PHP
PHP mail functions, Advanced mail functions:
The mail() function allows you to send emails directly from a script.
Building and Formatting dates and times
PHP filters are used to validate and sanitize external input. The PHP filter extension has many of the functions needed for checking user input, and is designed to make data validation easier and quicker.