PHP Switch Statement

Switch is another conditional statement execute depending on each other condition.Syntex of switch satement is given below--  

Syntex of Switch.....statement

switch(variable)
{
case conditionvalue :
execute if case codition is trure ;
break;
case conditionvalue2 :
execute if case codition is trure ;
break;
case conditionvalue3 :
execute if case codition is trure ;
break;
... defoalt :
Otherwise it will be executed ;
}

  We have given example of this condition below within one page using php and html. This is just like a mini calculation project. Where we can do add, subtraction, multiply and division

Example

 
<?php
if(isset($_POST['done']))
{
$n1=$_POST['t1'];
 
$n2=$_POST['t2'];
 
$ch=$_POST['choice'];
 
switch($ch)
{
case 'add':
$res=$n1+$n2;
break;
case 'sub':
$res=$n1-$n2;
break;
 
case 'mul':
$res=$n1*$n2;
break;
 
case 'div':
$res=$n1/$n2;
break;
default:
$res="You didn't select radio button";
 
}
?>
 


<div style='position:absolute;left:0px;top:0pc;width:200px;heght:100px;'>
 
Enter First Number<input type="text" name="t1"><br>
Enter Second Number<input type="text" name="t2"><br>
 
Result<input type="text" value="<?php echo $res;?>">
 
Select Task:
<input type="radio" name="choice" value="add">ADD
<input type="radio" name="choice" value="sub">SUB
<input type="radio" name="choice" value="mul">MUL
<input type="radio" name="choice" value="div">DIV<br>
<input type="submit" name="done" value="DONE">
</div>
<?php
}
?>
 
Enter First Number<input type="text" name="t1"><br>
Enter Second Number<input type="text" name="t2"><br>
 
 
Result<input type="text" value="">
 
Select Task:
<input type="radio" name="choice" value="add">ADD
<input type="radio" name="choice" value="sub">SUB
<input type="radio" name="choice" value="mul">MUL
<input type="radio" name="choice" value="div">DIV<br>
<input type="submit" name="done" value="DONE">