php if statement

PHP If Else

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.otherwise false

Syntax

1. if(condition){  
2. //code to be executed  
3. }  

Flowchart

Example

1. <?php  
2. $num=12;  
3. if($num<100){  
4. echo "$num is less than 100";  
5. }  
6. ?>  

Output:

12 is less than 100

PHP If-else Statement:

the if-else condition is the if part is true to execute the part .

the condition is false to go into else part

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

Syntax

1. if(condition){  
2. //code to be executed if true  
3. }else{  
4. //code to be executed if false  
5. }  

Flowchart

Example

1. <?php  
2. $num=12;  
3. if($num%2==0){  
4. echo "$num is even number";  
5. }else{  
6. echo "$num is odd number";  
7. }  
8. ?>  

Output:

12 is even number