public static function get_instance()
{
if (!isset(self::$_this)) {
self::$_instance = new self();
}
return self::$_instance;
}
if (version_compare(PHP_VERSION, WPR_REQUIRE_PHP, '<')) {
return false;
}
// check if the current WordPress version is satisfying
if (version_compare($wp_version, WPR_REQUIRE_WP, '<')) {
return false;
}
return true;
}
/**
* Prints an error that the system requirements weren't met.
* @author Ian Dunn <*****@*****.**>
*/
function wpr_requirements_error()
{
global $wp_version;
require_once WPR_DIR . '/views/requirements-error.php';
}
/*
* Check requirements and load main class
*/
if (wpr_requirements_met()) {
require_once dirname(__FILE__) . '/classes/class.wp-radio.php';
if (class_exists('WP_Radio')) {
$GLOBALS['WPR'] = WP_Radio::get_instance();
register_activation_hook(__FILE__, array($GLOBALS['WPR'], 'activate'));
register_deactivation_hook(__FILE__, array($GLOBALS['WPR'], 'deactivate'));
}
} else {
add_action('admin_notices', 'wpr_requirements_error');
}