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What steps should be taken to ensure a PHP function is properly called and executed?

To ensure a PHP function is properly called and executed, make sure to include the file containing the function, call the function with the correct parameters, and handle any return values or outputs as needed. Additionally, check for any errors or warnings that may arise during the function execution.

php 
// Include the file containing the function
require_once 'functions.php';

// Call the function with the correct parameters
$result = myFunction($param1, $param2);

// Handle any return values or outputs as needed
if ($result) {
    echo "Function executed successfully";
} else {
    echo "Function encountered an error";
}

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