civicrm.php

<?php
/*
Plugin Name: CiviCRM
Description: CiviCRM - Growing and Sustaining Relationships
Version: 5.7.0
Author: CiviCRM LLC
Author URI: https://civicrm.org/
Plugin URI: https://wiki.civicrm.org/confluence/display/CRMDOC/Installing+CiviCRM+for+WordPress
GitHub Plugin URI: https://github.com/tadpolecc/civicrm.git
License: AGPL3
Text Domain: civicrm
Domain Path: /languages
*/


/*
 +--------------------------------------------------------------------+
 | CiviCRM version 5                                                  |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2018                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2018
 *
 */


/*
--------------------------------------------------------------------------------
WordPress resources for developers
--------------------------------------------------------------------------------
Not that they're ever adhered to anywhere other than core, but people do their
best to comply...

WordPress core coding standards:
http://make.wordpress.org/core/handbook/coding-standards/php/

WordPress HTML standards:
http://make.wordpress.org/core/handbook/coding-standards/html/

WordPress JavaScript standards:
http://make.wordpress.org/core/handbook/coding-standards/javascript/
--------------------------------------------------------------------------------
*/


// this file must not accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;


// set version here: when it changes, will force JS to reload
define( 'CIVICRM_PLUGIN_VERSION', '5' );

// store reference to this file
if (!defined('CIVICRM_PLUGIN_FILE')) {
  define( 'CIVICRM_PLUGIN_FILE', __FILE__ );
}

// store URL to this plugin's directory
if (!defined( 'CIVICRM_PLUGIN_URL')) {
  define( 'CIVICRM_PLUGIN_URL', plugin_dir_url(CIVICRM_PLUGIN_FILE) );
}

// store PATH to this plugin's directory
if (!defined( 'CIVICRM_PLUGIN_DIR')) {
  define( 'CIVICRM_PLUGIN_DIR', plugin_dir_path(CIVICRM_PLUGIN_FILE) );
}

/**
 * The constant CIVICRM_SETTINGS_PATH is also defined in civicrm.config.php and
 * may already have been defined there - e.g. by cron or external scripts.
 */
if ( !defined( 'CIVICRM_SETTINGS_PATH' ) ) {

  /**
   * Test where the settings file exists.
   *
   * If the settings file is found in the 4.6 and prior location, use that as
   * CIVICRM_SETTINGS_PATH, otherwise use the new location.
   */
  $upload_dir    = wp_upload_dir();
  $wp_civi_settings = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'civicrm' . DIRECTORY_SEPARATOR . 'civicrm.settings.php' ;
  $wp_civi_settings_deprectated = CIVICRM_PLUGIN_DIR . 'civicrm.settings.php';

  if (file_exists($wp_civi_settings_deprectated)) {
    define( 'CIVICRM_SETTINGS_PATH', $wp_civi_settings_deprectated );
  }
  else  {
    define( 'CIVICRM_SETTINGS_PATH', $wp_civi_settings );
  }

}

// test if Civi is installed
if ( file_exists( CIVICRM_SETTINGS_PATH )  ) {
    define( 'CIVICRM_INSTALLED', TRUE );
  } else {
    define( 'CIVICRM_INSTALLED', FALSE );
}

// prevent CiviCRM from rendering its own header
define( 'CIVICRM_UF_HEAD', TRUE );


/**
 * Define CiviCRM_For_WordPress Class
 */
class CiviCRM_For_WordPress {


  /**
   * Declare our properties
   */

  /**
   * @var CiviCRM_For_WordPress
   */
  private static $instance;

  // plugin context (broad)
  static $in_wordpress;

  // plugin context (specific)
  static $context;

  /**
   * @var CiviCRM_For_WordPress_Shortcodes
   */
  public $shortcodes;

  /**
   * @var CiviCRM_For_WordPress_Shortcodes_Modal
   */
  public $modal;

  /**
   * @var CiviCRM_For_WordPress_Basepage
   */
  public $basepage;

  /**
   * @var CiviCRM_For_WordPress_Users
   */
  public $users;


  // ---------------------------------------------------------------------------
  // Setup
  // ---------------------------------------------------------------------------


  /**
   * Getter method which returns the CiviCRM instance and optionally creates one
   * if it does not already exist. Standard CiviCRM singleton pattern.
   *
   * @return object CiviCRM plugin instance
   */
  public static function singleton() {

    // if it doesn't already exist...
    if ( ! isset( self::$instance ) ) {

      // create it
      self::$instance = new CiviCRM_For_WordPress;
      self::$instance->setup_instance();

    }

    // return existing instance
    return self::$instance;

  }


  /**
   * Dummy instance constructor
   */
  function __construct() {}