<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Case Insensitivity in PHP strpbrk() Function</title>
</head>
<body>
<?php
// Sample string
$str = "Rain, rain, go away";
// Searching string
echo strpbrk($str, "Row");
?>
</body>
</html>
