else operator

Often you'd want to execute a statement if a certain condition is met, and a different statement if the condition is not met. This is what else is for. else extends an if statement to execute a statement in case the expression in the if statement evaluates to FALSE. For example, the following code would display a is greater than b if $a is greater than $b, and a is NOT greater than b otherwise:<?phpif ($a > $b) { echo "a is greater than b";} else { echo "a is NOT greater than b";}?> The else…