PHP IF...ELSE-IF

Conditional statements are used to perform different actions based on different conditions.

PHP contains following conditional statements

if statement
if...else statement
if...else if...else statement
switch statement

IF Statement

Simple if statement contains only one response if condition is true.


<?php

$day=strtoupper(date("D"));
if($day=="FRI")
	echo "Have a Nice Weekend!";

?>

IF Else Statement

if else statement contains response for both true & false conditions


<?php
$day=strtoupper(date("D"));

if($day=="FRI")
	echo "Have a Nice Weekend!";
else
	echo "Have a Nice Day!";
?>

IF...ELSE-IF...ELSE Statement

IF...ELSE-IF...ELSE is used in multiple conditions scenario.


<?php

$day=strtoupper(date("D"));
if($day=="FRI")
	echo "Have a Nice Weekend!";
else if($day=="SUN")
	echo "Have a Nice Sunday!";
else	
	echo "Have a Nice Day!";

?>