<?phpfunction byRef(&$apples){ $apples++;}$oranges = 5;$apples = 5;byRef($oranges);echo "I have $apples apples and $oranges oranges";?>
<?phpfunction a($number){ return (b($number) * $number);}function b(&$number){ ++$number;}echo a(5);?>
PHP is a _____ scripting language based on the ____ engine. It is primarily used todevelop dynamic _____ content, although it can be used to generate ____ documents(among others) as well.
PHP variables cannot start with a number