How can passing variables affect the functionality of PHP functions within a script?

Passing variables to PHP functions allows you to manipulate data within the function's scope. By passing variables as arguments, you can customize the behavior of the function based on the input provided. This flexibility enhances the functionality of your PHP script by enabling dynamic and reusable code. 

// Example of passing variables to a PHP function
function greet($name) {
    echo "Hello, $name!";
}

$name = "John";
greet($name); // Output: Hello, John!

Keywords

Variables PHP functions functionality script passing

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