Else-If Statement, Ternary or Conditional Operator and Switch Statement in PHP

Else-If Statement

Syntax

Sample Program

Output

In the above program, if the First condition is false then it will check the third condition, if it’s true then print it else check next condition and so on.

Ternary or Conditional Operator.

It works similar to the else-if statement. In this Operator, if the condition is true then it returns First-Expression else Second-expression.

Syntax

Variable = Condition ? Expression1 : Expression2

For Example:- $a = (5>1) ? “Greater” : “Less” ;

Sample program

<?php
$a = (5>1) ? “Greater” : “Less” ;
echo $a;
?>

Output

Switch Statement

It checks several constant values for an expression.

Syntax

switch(expression){
case expression1:
block of statements;
break;
case expression2:
block of statements;
break;
case expression-n:
block of statements;
break;
default:
block of statements;
}

Sample Program

Output

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