badgeos-show-submission-add-on_init.php

<?php
/*
    "WordPress Plugin Template" Copyright (C) 2015 Michael Simpson  (email : michael.d.simpson@gmail.com)

    This file is part of WordPress Plugin Template for WordPress.

    Copyright (c) 2015, Michael Simpson
    All rights reserved.

    Redistribution and use in source and binary forms, with or without modification,
    are permitted provided that the following conditions are met:

    - Redistributions of source code must retain the above copyright notice, this list of conditions and the
      following disclaimer.

    - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided with the distribution.

    - Neither the name of Michael Simpson nor the names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

function BadgeosShowSub_init($file) {

    require_once('BadgeosShowSub_Plugin.php');
    $aPlugin = new BadgeosShowSub_Plugin();

    // Install the plugin
    // NOTE: this file gets run each time you *activate* the plugin.
    // So in WP when you "install" the plugin, all that does it dump its files in the plugin-templates directory
    // but it does not call any of its code.
    // So here, the plugin tracks whether or not it has run its install operation, and we ensure it is run only once
    // on the first activation
    if (!$aPlugin->isInstalled()) {
        $aPlugin->install();
    }
    else {
        // Perform any version-upgrade activities prior to activation (e.g. database changes)
        $aPlugin->upgrade();
    }

    // Add callbacks to hooks
    $aPlugin->addActionsAndFilters();

    if (!$file) {
        $file = __FILE__;
    }
    // Register the Plugin Activation Hook
    register_activation_hook($file, array(&$aPlugin, 'activate'));


    // Register the Plugin Deactivation Hook
    register_deactivation_hook($file, array(&$aPlugin, 'deactivate'));
}