0 and 0.0 are "; if ( 0 !== 0.0 ) // !== is the oposite of === print " NOT "; print "equal when compared using the relational operator ==="; ?>

The if else Statement

"AbC" ) print "Condition is true"; else print "Condition is false"; ?>

The Selection Operator ?:

3 )? print " 5 is greater than 3 " : print " 5 is NOT greater than 3"; ?>

The Multiple if else Statement

= 90 ) $letterGrade = "A"; elseif ( $score >= 80 ) $letterGrade = "B"; elseif ( $score >= 70 ) $letterGrade = "C"; elseif ( $score >= 60 ) $letterGrade = "D"; else $letterGrade = "F"; print "The letter grade for a score of $score is $letterGrade."; ?>

The Switch Statement