PHP | ReflectionFunction invoke() Function

<?php

// Initializing a user-defined function
function Company($Company_Name, $Role) {
    return sprintf("%s %s\r\n", $Company_Name, $Role);
}

// Using ReflectionFunction() over the
// specified function company
$function = new ReflectionFunction('company');

// Calling the invoke() function
$A = $function->invoke('GeeksforGeeks',
            'is a Computer Science Portal.');

// Getting the result of the invoked function company
echo $A;
?>

<?php

// Initializing some user-defined functions
function Trial1($First_Args, $Second_Args) {
    return sprintf("%s %s\r\n", $First_Args, $Second_Args);
}

function Trial2($First_Args, $Second_Args) {
    return sprintf("%s %s\r\n", $First_Args, $Second_Args);
}

// Using ReflectionFunction() over the above
// specified functions 
$function = new ReflectionFunction('Trial1');
$function = new ReflectionFunction('Trial2');

// Calling the invoke() function and getting the
// result of the invoked function company
echo $function->invoke('a+a', '= 2a');
echo $function->invoke('a*a', '= a^2');
?>