In this article, you will learn how to use default keyword in PHP. The default keyword in PHP is used in a switch block to specify which code to run when none of the case statements were matched by the expression.
examples of the DEFAULT keyword
Example 1. In this example, we use default to handle unspecified cases in a switch block.
<?php
$a = 4;
switch($a) {
case 1: echo "One"; break;
case 2: echo "Two"; break;
case 3: echo "Three"; break;
default: echo "Many"; break;
}
?>