switch statement in PHP
1] switch case is use in menu driven programming.
2] The value of the switch expression is calculated once's then this
value is match which case in switch block---- if there is match
associated case is executed.
3] use break keyword to transfer keyword outside they switch block
after case execution.
4] switch case value is the expression is case sensitive.
5] The switch statement in PHP is an effective construct that lets you carry out various operations depending on various circumstances.
6] It's especially helpful when you have to assess several scenarios and run various code blocks according to the first real situation that appears. Now let's see how it functions.
Syntax :-
statement
switch (expression/value)
{
case value:
statement;
statement;
break;
case value:
statement;
statement;
break;
default :
statement;
statement;
}
PHP switch statement
Program
<?php
$no1=20;
$no2=5;
$choice=4;
switch($choice)
{
case 1 : $result =$no1+$no2;
echo"Addition =".$result;
break;
case 2 : $result =$no1-$no2;
echo"Substraction =".$result;
break;
case 3 : $result =$no1*$no2;
echo"Multiplication =".$result;
break;
case 4 : $result =$no1/$no2;
echo"division =".$result;
break;
default : echo "wrong choice";
}
?>
PHP switch statement
Output :-
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