PHP
5 switch Statement
The switch
statement is used to perform different actions based on different conditions.
The PHP
switch Statement
Use the
switch statement to select one of many blocks of code to be executed.
Syntax
switch
(n) {
case label1:
code to be executed if n=label1;
break;
case label2:
code to be executed if n=label2;
break;
case label3:
code to be executed if n=label3;
break;
...
default:
code to be executed if n is different
from all labels;
}
This is how
it works: First we have a single expression n (most often a variable), that is
evaluated once. The value of the expression is then compared with the values
for each case in the structure. If there is a match, the block of code
associated with that case is executed. Use break to prevent the code from
running into the next case automatically. The default statement is used if no
match is found.
Example
<?php
$favcolor
= "red";
switch
($favcolor) {
case "red":
echo "Your favorite color is
red!";
break;
case "blue":
echo "Your favorite color is
blue!";
break;
case "green":
echo "Your favorite color is
green!";
break;
default:
echo "Your favorite color is
neither red, blue, nor green!";
}
?>
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