How does the order of function definition and function call affect PHP code execution?

The order of function definition and function call in PHP can affect code execution if a function is called before it is defined. To avoid this issue, always define your functions before calling them in your PHP code. 

<?php

// Define the function before calling it
function myFunction() {
    echo "Hello, World!";
}

// Call the function after defining it
myFunction();

?>

Keywords

function definition function call PHP code execution order impact

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