Call a function : String Manipulation Functions

This video tutorial covers various built-in PHP functions for string manipulation. It begins with an introduction to string manipulation, followed by a detailed explanation of the string replace function. The tutorial then explores functions for changing text case, including converting text to uppercase and lowercase. It also demonstrates how to determine string length and shuffle string characters. The video concludes with a look at additional PHP string functions and encourages viewers to explore the PHP manual for more examples.

What is the significance of using variables instead of hardcoding strings?

Describe the function 'strlen' and its use.

What is the purpose of the 'str_shuffle' function?