How does PHP function and what is its syntax similar to?

PHP functions are blocks of code that can be called and executed multiple times throughout a program. They help in organizing code, improving reusability, and making it easier to maintain. The syntax for defining a PHP function is similar to other programming languages like JavaScript and Python, using the `function` keyword followed by the function name, parameters (if any), and the code block enclosed in curly braces. 

// Example of a PHP function
function greet($name) {
    return "Hello, $name!";
}

// Calling the function
echo greet("John"); // Output: Hello, John!

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PHP function syntax programming similarities

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