How can one effectively search for solutions to variable manipulation issues in PHP, especially when unfamiliar with specific terminology?

Issue: When dealing with variable manipulation in PHP, it's important to understand the basic functions and operators available. If you're unfamiliar with specific terminology, try breaking down the problem into smaller parts and searching for solutions using more general terms. Code snippet:

// Example of variable manipulation using concatenation
$name = "John";
$age = 25;

// Concatenating variables to create a message
$message = "Hello, my name is " . $name . " and I am " . $age . " years old.";
echo $message;