PHP If Else

ᴰᵒᵖᵖᵉˡᵍᵃⁿᵍᵉʳ 多佩尔甘格尔

PHP if else statement is used to test condition. There are various ways to use if statement in PHP.

• if
• if-else
• if-else-if
• nested if

PHP If Statement

PHP if statement is executed if condition is true.

Syntax

if(condition){  
//code to be executed  
}  

Flowchart

Example

<?php  
$num=12;  
if($num<100){  
echo "$num is less than 100";  
}  
?>  

Output:

12 is less than 100

PHP If-else Statement

PHP if-else statement is executed whether condition is true or false.

Syntax

if(condition){  
//code to be executed if true  
}else{  
//code to be executed if false  
}

Flowchart

Example

<?php  
$num=12;  
if($num%2==0){  
echo "$num is even number";  
}else{  
echo "$num is odd number";  
}  
?>  

Output:

12 is even number