/freemius/includes/entities/class-fs-plugin-license.php

<?php 
  /** 
   * @package     Freemius 
   * @copyright   Copyright (c) 2015, Freemius, Inc. 
   * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License 
   * @since       1.0.5 
   */ 
 
  if ( ! defined( 'ABSPATH' ) ) { 
      exit; 
  } 
 
  class FS_Plugin_License extends FS_Entity { 
 
      #region Properties 
 
      /** 
       * @var number 
       */ 
      public $plugin_id; 
      /** 
       * @var number 
       */ 
      public $user_id; 
      /** 
       * @var number 
       */ 
      public $plan_id; 
      /** 
       * @var number 
       */ 
      public $pricing_id; 
      /** 
       * @var int|null 
       */ 
      public $quota; 
      /** 
       * @var int 
       */ 
      public $activated; 
      /** 
       * @var int 
       */ 
      public $activated_local; 
      /** 
       * @var string 
       */ 
      public $expiration; 
      /** 
       * @var string 
       */ 
      public $secret_key; 
      /** 
       * @var bool $is_free_localhost Defaults to true. If true, allow unlimited localhost installs with the same 
       *      license. 
       */ 
      public $is_free_localhost; 
      /** 
       * @var bool $is_block_features Defaults to true. If false, don't block features after license expiry - only 
       *      block updates and support. 
       */ 
      public $is_block_features; 
      /** 
       * @var bool 
       */ 
      public $is_cancelled; 
 
      #endregion Properties 
 
      /** 
       * @param stdClass|bool $license 
       */ 
      function __construct( $license = false ) { 
          parent::__construct( $license ); 
      } 
 
      static function get_type() { 
          return 'license'; 
      } 
 
      /** 
       * Check how many site activations left. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.5 
       * 
       * @return int 
       */ 
      function left() { 
          if ( ! $this->is_active() || $this->is_expired() ) { 
              return 0; 
          } 
 
          if ( $this->is_unlimited() ) { 
              return 999; 
          } 
 
          return ( $this->quota - $this->activated - ( $this->is_free_localhost ? 0 : $this->activated_local ) ); 
      } 
 
      /** 
       * Check if single site license. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.1.8.1 
       * 
       * @return bool 
       */ 
      function is_single_site() { 
          return ( is_numeric( $this->quota ) && 1 == $this->quota ); 
      } 
 
      /** 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.5 
       * 
       * @return bool 
       */ 
      function is_expired() { 
          return ! $this->is_lifetime() && ( strtotime( $this->expiration ) < WP_FS__SCRIPT_START_TIME ); 
      } 
 
      /** 
       * Check if license is not expired. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.2.1 
       * 
       * @return bool 
       */ 
      function is_valid() { 
          return ! $this->is_expired(); 
      } 
 
      /** 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.6 
       * 
       * @return bool 
       */ 
      function is_lifetime() { 
          return is_null( $this->expiration ); 
      } 
 
      /** 
       * @author Vova Feldman (@svovaf) 
       * @since  1.2.0 
       * 
       * @return bool 
       */ 
      function is_unlimited() { 
          return is_null( $this->quota ); 
      } 
 
      /** 
       * Check if license is fully utilized. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.6 
       * 
       * @param bool $is_localhost 
       * 
       * @return bool 
       */ 
      function is_utilized( $is_localhost = null ) { 
          if ( is_null( $is_localhost ) ) { 
              $is_localhost = WP_FS__IS_LOCALHOST_FOR_SERVER; 
          } 
 
          if ( $this->is_unlimited() ) { 
              return false; 
          } 
 
          return ! ( $this->is_free_localhost && $is_localhost ) && 
                 ( $this->quota <= $this->activated + ( $this->is_free_localhost ? 0 : $this->activated_local ) ); 
      } 
 
      /** 
       * @author Vova Feldman (@svovaf) 
       * @since  1.2.1 
       * 
       * @return bool 
       */ 
      function is_active() { 
          return ( ! $this->is_cancelled ); 
      } 
 
      /** 
       * Check if license's plan features are enabled. 
       * 
       *  - Either if plan not expired 
       *  - If expired, based on the configuration to block features or not. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.6 
       * 
       * @return bool 
       */ 
      function is_features_enabled() { 
          return $this->is_active() && ( ! $this->is_block_features || ! $this->is_expired() ); 
      } 
 
      /** 
       * Subscription considered to be new without any payments 
       * if the license expires in less than 24 hours 
       * from the license creation. 
       * 
       * @author Vova Feldman (@svovaf) 
       * @since  1.0.9 
       * 
       * @return bool 
       */ 
      function is_first_payment_pending() { 
          return ( WP_FS__TIME_24_HOURS_IN_SEC >= strtotime( $this->expiration ) - strtotime( $this->created ) ); 
      } 
  }