If else statement in php

if statement is use to check condition if condition is true then body of your code will be  execute.

Syntax
if (condition)
{
Code body
}

Exercise 1:

<?php
$x=20;
if($x>0)
echo "Number is true";
?>

Output
===============

Number is true
===============
if else statement

if else statement is use check the condition, if condition is true then the result will be execute,else if the condition is false.

Syntax

if (condition)
{
Code;
}
else
{
Code;
}

Exercise 2:

<?php

$x=25;
if($x>0)
echo "true";
else
echo “False”;
?>

Output
===============
true
===============

elseif statement

if you have one more condition then use elseif statement.

Syntax:

if (condition)
{
Code;
}
elseif (condition)
{
Code;
}
else
{
Code;
}


Exercise 3:

<?php

$x=25;
$y=45;
if($x>$y)
echo "First Number is Greater";
elseif($x<$y)
echo "Second Number is Greader";
else
echo "Both Number is equal";

?>

Output:
====================
Second Number is Greader
====================