function p404_redirect()
{
if (is_404()) {
$options = get_my_options();
$link = get_current_URL();
if ($link == $options['p404_redirect_to']) {
echo "<b>All 404 Redirect to Homepage</b> has detected that the target URL is invalid, this will cause an infinite loop redirection, please go to the plugin settings and correct the traget link! ";
exit;
}
if ($options['p404_status'] == '1' & $options['p404_redirect_to'] != '') {
header('HTTP/1.1 301 Moved Permanently');
header("Location: " . $options['p404_redirect_to']);
exit;
}
}
}
<?php
include_once "cf_dropdown.php";
global $wpdb, $table_prefix;
if (array_key_exists('redirect_to', $_POST) && $_POST['redirect_to'] != '') {
$newoptions['p404_redirect_to'] = $_POST['redirect_to'];
$newoptions['p404_status'] = $_POST['p404_status'];
update_my_options($newoptions);
option_msg('Options Saved!');
}
$options = get_my_options();
?>
<?php
if (there_is_cache() != '') {
info_option_msg("You have a cache plugin installed <b>'" . there_is_cache() . "'</b>, you have to clear cache after any changes to get the changes reflected immediately! ");
}
?>
<div class="wrap">
<div class='procontainer'><div class='inner'>
<h2>All 404 Redirect to Homepage</h2>
<form method="POST">
<br/><br/>
404 Redirection Status:
<?php
$drop = new dropdown('p404_status');
$drop->add('Enabled', '1');
$drop->add('Disabled', '2');
$drop->dropdown_print();