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 PLUGIN_INFO_TRANSIENT_EXPIRATION_TIME = 16;

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

		/**
		 * @param string $plugin_file
		 * @param string $plugin_name
		 * @param string $text_domain
		 * @param string $php_version
		 * @param string $wp_version
		 */
		public function __construct( $plugin_file, $plugin_name, $text_domain, $php_version, $wp_version ) {
			$this->plugin_file = $plugin_file;
			$this->plugin_name = $plugin_name;
			$this->text_domain = $text_domain;

			$this->set_min_php_require( $php_version );
			$this->set_min_wp_require( $wp_version );

			$this->plugin_require  = array();
			$this->module_require  = array();
			$this->setting_require = array();
			$this->notices         = array();
		}