/**
* Return an instance of this class.
*
* @since 1.0.0
*
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
<?php
/**
* Plugin Name: OptimizePress WPengine fix headers
* Plugin URI: www.optimizepress.com
* Description: Fixes corrupt headers settings after pushing site fomr live to stage in WP Engine and vice versa
* Version: 1.0.0
* Author: Zvonko Biškup
* Author URI: www.optimizepress.com
*/
// If this file is called directly, abort.
if (!defined('WPINC')) {
die;
}
require_once plugin_dir_path(__FILE__) . 'class-op2_wpengine_fix_headers.php';
Op_Wpengine_Fix_Headers::get_instance();
<div class="wrap">
<h3 class="title"><?php
_e('Fix WPEngine headers', Op_Wpengine_Fix_Headers::slug());
?>
</h3>
<p class="install-help"><?php
_e('This will fix header settings after moving the site from stage to live or live to stage in WPEngine.', Op_Wpengine_Fix_Headers::slug());
?>
</p>
<form method="POST">
<input type="hidden" name="opfix" value="" />
<?php
wp_nonce_field('op_fix', 'op_fix_nonce', true, true);
?>
<input type="submit" name="submit" value="Fix headers" />
</form>
<?php
if (isset($_POST['opfix'])) {
?>
<p class="install-help">
Headers are now fixed.
</p>
<?php
}
?>
</div>
