Answer: b. My name is BobBob
Explanation:
- $foo = 'Bob'; // Assigns foo variable the value Bob
- $bar = $foo; // Assigns the value of foo to bar
- $bar = "My name is $bar"; //changes the $bar this is the way to include variables directly in the string.
- print $bar; // this prints My name is and moves to the variable $bar which prints the value of $bar which is the value of $foo i.e. Bob
- print $foo; // prints another Bob