<?php
$n = 6;
$characters = '3qwertyu52iopasdfghjklmn6bvcxz7ZAQWSXCD0ERFVBGTYHN4MJUIKLOP189';
$randomString = '';

for ($i = 0; $i < $n; $i++) {
    $index = rand(0, strlen($characters) - 1);
    $randomString .= $characters[$index];
}
$originalLink = ( isset( $_GET['image'] ) ) ? "http://tamira.peacockindia.in/".$_GET['image'] : "http://tamira.peacockindia.in/img/rt1-cardiovascular-surgery.jpg";
$newLink = 'http://tamira.peacockindia.in/'.$randomString;

$content = $originalLink."|".$newLink;

file_put_contents( 'database/short-link.txt', $content.PHP_EOL, FILE_APPEND);
?>