107 lines
2 KiB
PHP
107 lines
2 KiB
PHP
<?php
|
|
/**
|
|
* Init
|
|
*
|
|
* @since 1.0.0
|
|
* @package NPS Survey
|
|
*/
|
|
|
|
if ( ! defined( 'ABSPATH' ) ) {
|
|
exit;
|
|
}
|
|
|
|
if ( ! class_exists( 'Astra_Nps_Survey' ) ) :
|
|
|
|
/**
|
|
* Admin
|
|
*/
|
|
class Astra_Nps_Survey {
|
|
/**
|
|
* Instance
|
|
*
|
|
* @since 1.0.0
|
|
* @var (Object) Astra_Nps_Survey
|
|
*/
|
|
private static $instance = null;
|
|
|
|
/**
|
|
* Get Instance
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @return object Class object.
|
|
*/
|
|
public static function get_instance() {
|
|
if ( ! isset( self::$instance ) ) {
|
|
self::$instance = new self();
|
|
}
|
|
|
|
return self::$instance;
|
|
}
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @since 1.0.0
|
|
*/
|
|
private function __construct() {
|
|
|
|
// Allow users to disable NPS survey via a filter.
|
|
if ( apply_filters( 'astra_nps_survey_disable', false ) ) {
|
|
return;
|
|
}
|
|
|
|
$this->version_check();
|
|
add_action( 'init', array( $this, 'load' ), 999 );
|
|
}
|
|
|
|
/**
|
|
* Version Check
|
|
*
|
|
* @return void
|
|
*/
|
|
public function version_check() {
|
|
|
|
$file = realpath( dirname( __FILE__ ) . '/nps-survey/version.json' );
|
|
|
|
// Is file exist?
|
|
if ( is_file( $file ) ) {
|
|
// @codingStandardsIgnoreStart
|
|
$file_data = json_decode( file_get_contents( $file ), true );
|
|
// @codingStandardsIgnoreEnd
|
|
global $nps_survey_version, $nps_survey_init;
|
|
$path = realpath( dirname( __FILE__ ) . '/nps-survey/nps-survey.php' );
|
|
$version = isset( $file_data['nps-survey'] ) ? $file_data['nps-survey'] : 0;
|
|
|
|
if ( null === $nps_survey_version ) {
|
|
$nps_survey_version = '1.0.0';
|
|
}
|
|
|
|
// Compare versions.
|
|
if ( version_compare( $version, $nps_survey_version, '>=' ) ) {
|
|
$nps_survey_version = $version;
|
|
$nps_survey_init = $path;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load latest plugin
|
|
*
|
|
* @return void
|
|
*/
|
|
public function load() {
|
|
|
|
global $nps_survey_version, $nps_survey_init;
|
|
if ( is_file( realpath( $nps_survey_init ) ) ) {
|
|
include_once realpath( $nps_survey_init );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Kicking this off by calling 'get_instance()' method
|
|
*/
|
|
Astra_Nps_Survey::get_instance();
|
|
|
|
endif;
|