referrer-policy.php
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<?php
if (!defined('ABSPATH')) {
exit;
}
?>
<tr valign="top">
<th scope="row">Referrer-Policy
<p class="description"><?php _e('The Referrer-Policy HTTP header governs which referrer information, sent in the Referer header, should be included with requests made.', 'http-headers'); ?></p>
<hr>
<p class="description"><?php _e('Read more at', 'http-headers'); ?>
<a target="_blank" href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy"><?php _e('MDN Web Docs', 'http-headers'); ?></a>
</p>
</th>
<td>
<fieldset>
<legend class="screen-reader-text">Referrer-Policy</legend>
<?php
$referrer_policy = get_option('hh_referrer_policy', 0);
foreach ($bools as $k => $v)
{
?><p><label><input type="radio" class="http-header" name="hh_referrer_policy" value="<?php echo $k; ?>"<?php checked($referrer_policy, $k, true); ?> /> <?php echo $v; ?></label></p><?php
}
?>
</fieldset>
</td>
<td>
<?php settings_fields( 'http-headers-rp' ); ?>
<?php do_settings_sections( 'http-headers-rp' ); ?>
<select name="hh_referrer_policy_value" class="http-header-value"<?php echo $referrer_policy == 1 ? NULL : ' readonly'; ?>>
<?php
$items = array("", "no-referrer", "no-referrer-when-downgrade", "same-origin", "origin", "strict-origin", "origin-when-cross-origin", "strict-origin-when-cross-origin", "unsafe-url");
$referrer_policy_value = get_option('hh_referrer_policy_value');
foreach ($items as $item) {
?><option value="<?php echo $item; ?>"<?php selected($referrer_policy_value, $item); ?>><?php echo !empty($item) ? $item : '(empty string)'; ?></option><?php
}
?>
</select>
</td>
</tr>