# http-headers/1.11.0/views/vary.php

HTTP Headers, version 1.11.0. 44 lines.

- Page: https://pluginprobe.com/plugins/http-headers/1.11.0/code/views/vary.php
- Raw: https://pluginprobe.com/plugins/http-headers/1.11.0/raw/views/vary.php
- Modified: 2018-01-04T21:33:02+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/http-headers/1.11.0/code/views/vary.php#L10-L20`.

```php
<?php
if (!defined('ABSPATH')) {
    exit;
}
?>
<tr>
	<th scope="row">Vary
		<p class="description"><?php _e('The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.', 'http-headers'); ?></p>
	</th>
	<td>
		<fieldset>
			<legend class="screen-reader-text">Vary</legend>
			<?php
			$vary = get_option('hh_vary', 0);
			foreach ($bools as $k => $v)
			{
				?><p><label><input type="radio" class="http-header" name="hh_vary" value="<?php echo $k; ?>"<?php checked($vary, $k); ?> /> <?php echo $v; ?></label></p><?php
			}
			?>
		</fieldset>
	</td>
	<td>
		<?php settings_fields( 'http-headers-vary' ); ?>
		<?php do_settings_sections( 'http-headers-vary' ); ?>
		<table>
		<tbody><tr>
		<?php
		$items = array(
			'Accept-Encoding', 'User-Agent', 'Referer', 'Cookie',
		);
		$vary_value = get_option('hh_vary_value');
		if (!$vary_value) {
			$vary_value = array();
		}
		foreach ($items as $i => $item) {
			if ($i % 2 === 0) {
				?></tr><tr><?php
			}
			?><td><label><input type="checkbox" class="http-header-value" name="hh_vary_value[<?php echo $item; ?>]" value="1"<?php echo !array_key_exists($item, $vary_value) ? NULL : ' checked'; ?><?php echo $vary == 1 ? NULL : ' readonly'; ?> /> <?php echo $item; ?></label></td><?php
		}
		?>
		</tr></tbody></table>
	</td>
</tr>
```