Santized input php example

example.php

<?php
if (
	isset( $_GET['id'] ) &&
	isset( $_GET['name'] ) &&
	isset( $_GET['phone'] ) &&
	isset( $_GET['email'] ) &&
	( ( $id = filter_var( $_GET['id'], FILTER_SANITIZE_NUMBER_INT ) ) == '01' ) &&
	( ( $name = filter_var( $_GET['name'], FILTER_SANITIZE_STRING ) ) == 'robi' ) &&
	( ( $phone = filter_var( $_GET['phone'], FILTER_SANITIZE_STRING ) ) == '61' ) &&
	( ( $email = filter_var( $_GET['email'], FILTER_SANITIZE_EMAIL ) ) == 'afs' )
) {
	echo "<h2>${id}</h2><br/>";
	echo "<h2>${name}</h2><br/>";
	echo "<h2>${phone}</h2><br/>";
	echo "<h2>${email}</h2><br/>";
} else {
	echo '<h2>Hello World...! </h2><br/>';
	echo '<a href="http://localhost:8080/?id=01&name=robi&phone=61&email=afs">link</a>';
}