Basic_Requirement_Checker.php

<?php

if ( ! interface_exists( 'WPDesk_Requirement_Checker' ) ) {
	require_once __DIR__ . '/Requirement_Checker.php';
}

if ( ! class_exists( 'WPDesk_Basic_Requirement_Checker' ) ) {
	/**
	 * Checks requirements for plugin
	 * have to be compatible with PHP 5.3.x
	 */
	class WPDesk_Basic_Requirement_Checker implements WPDesk_Requirement_Checker {

		const EXTENSION_NAME_OPENSSL = 'openssl';

		const HOOK_ADMIN_NOTICES_ACTION = 'admin_notices';

		const HOOK_PLUGIN_DEACTIVATED_ACTION = 'deactivated_plugin';

		const HOOK_PLUGIN_ACTIVATED_ACTION = 'activated_plugin';

		const PLUGIN_INFO_KEY_NICE_NAME = 'nice_name';

		const PLUGIN_INFO_KEY_NAME = 'name';

		const PLUGIN_INFO_VERSION = 'version';

		const PLUGIN_INFO_FAKE_REQUIRED_MINIMUM_VERSION = '0.0';

		const PLUGIN_INFO_APPEND_PLUGIN_DATA = 'required_version';

		const PLUGIN_INFO_TRANSIENT_NAME = 'require_plugins_data';

		const EXPIRATION_TRANSIENT_NAME = 'require_plugins_data_exp';

		const CACHE_TIME = 300;

		/** @var string */
		protected $plugin_name;

		/** @var string */
		private $plugin_file;

		/** @var string */
		private $min_php_version;

		/** @var string */
		private $min_wp_version;

		/** @var string|null */
		private $min_wc_version = null;

		/** @var int|null */
		private $min_openssl_version = null;

		/** @var array */
		protected $plugin_require;

		/** @var bool */
		protected $should_check_plugin_versions = false;

		/** @var array */
		private $module_require;

		/** @var array */
		private $setting_require;

		/** @var array */
		protected $notices;