header php redirect
<?php
header('Location: http://www.aaaa/index.php');
exit(); // useless to let script running
?>
<?php
// permanent redirection (default is 302, 303 for most robots)
header('Location: http://www.aaaa/index.php', true, 301);
exit(); // useless to let script running
?>
// or a meta in html header (if html generation is initiated)
<head>
<meta http-equiv="Location" content="http://www.aaaa/index.php">
</head>
// or waits 15s before redirection
<head>
<meta http-equiv="refresh" content="15;URL=http://www.aaaa/index.php">
</head>
// or via javascript
<script>
window.location.replace('http://www.aaaa/index.php');
</script>