connection.php
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<?php
if (!defined('ABSPATH')) {
exit;
}
?>
<tr valign="top">
<th scope="row">Connection
<p class="description"><?php _e('The Connection general header controls whether or not the network connection stays open after the current transaction finishes. If the value sent is keep-alive, the connection is persistent and not closed, allowing for subsequent requests to the same server to be done.', '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/Connection"><?php _e('MDN Web Docs', 'http-headers'); ?></a>
</p>
</th>
<td>
<fieldset>
<legend class="screen-reader-text">Connection</legend>
<?php
$connection = get_option('hh_connection', 0);
foreach ($bools as $k => $v)
{
?><p><label><input type="radio" class="http-header" name="hh_connection" value="<?php echo $k; ?>"<?php checked($connection, $k); ?> /> <?php echo $v; ?></label></p><?php
}
?>
</fieldset>
</td>
<td>
<?php settings_fields( 'http-headers-con' ); ?>
<?php do_settings_sections( 'http-headers-con' ); ?>
<select name="hh_connection_value" class="http-header-value"<?php echo $connection == 1 ? NULL : ' readonly'; ?>>
<?php
$items = array('keep-alive', 'close');
$connection_value = get_option('hh_connection_value');
foreach ($items as $item) {
?><option value="<?php echo $item; ?>"<?php selected($connection_value, $item); ?>><?php echo $item; ?></option><?php
}
?>
</select>
</td>
</tr>