How can anonymous functions be properly implemented in PHP code?

Anonymous functions in PHP can be implemented using the `function()` keyword without giving the function a name. They are useful for creating callbacks or inline functions without the need to define a separate named function. Below is an example of how to create and use an anonymous function in PHP. 

// Implementing an anonymous function in PHP
$addition = function($a, $b) {
    return $a + $b;
};

// Using the anonymous function
$result = $addition(5, 3);
echo $result; // Output: 8

Keywords

anonymous functions closures PHP implementation syntax

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