HTML tag //display the name string in italics by using HTML tag } //Test the code of function three( ) by uncommenting the next statement //and running this dynamic page again by requesting it with a browser. //three("Hello", "Jonathan"); /* * Makes use of arithmetic, logical, and comparison operators to practice with * expressions in PHP. */ function four( ) { $x = 3; $y = 1; $isHot = true; $isCold = false; $a = 2.5; $b = 3.2; echo "$x + $y = ($x + $y)"; //demo other integer arithmetic expressions by writing below //another echo statement that has *, /, and % operators. //demo boolean expressions by writing an echo statement that uses // AND and OR operators with variable $isHot and $isCold. //demo decimal expressions by using / and + operators with $a and $b //demo comparison expressions by using < and >= operators with $x and $y. } //Test the code of function four( ) by uncommenting the next statement //and running this dynamic page again by requesting it with a browser. //four( ); /* * Demonstrates the usefulness of escape characters. */ function five( ) { //display the following two lines, exactly as they are shown below: // What's the your favorite band? "Beatles". // Never used \. What's a backslash used for? //by using //echo with single quotes //echo with double quotes //here-doc construct } //Test the code of function five( ) by uncommenting the next statement //and running this dynamic page again by requesting it with a browser. //five( ); ?>