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Current File : //var/www/cwg/wp-content/plugins/codepress-admin-columns/classes/Plugin.php

<?php

namespace AC;

use ReflectionObject;
use WP_Roles;

abstract class Plugin extends Addon {

	/**
	 * @var Installer|null
	 */
	private $installer;

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

	public function set_installer( Installer $installer ) {
		$this->installer = $installer;
	}

	/**
	 * Check if plugin is network activated
	 * @return bool
	 */
	public function is_network_active() {
		return is_plugin_active_for_network( $this->get_basename() );
	}

	/**
	 * Calls get_plugin_data() for this plugin
	 * @return array
	 * @see get_plugin_data()
	 */
	protected function get_data() {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		if ( null === $this->data ) {
			$this->data = get_plugin_data( $this->get_file(), false, false );
		}

		return $this->data;
	}

	/**
	 * @return string
	 */
	public function get_name() {
		return (string) $this->get_header( 'Name' );
	}

	/**
	 * Return a plugin header from the plugin data
	 *
	 * @param string $key
	 *
	 * @return false|string
	 */
	protected function get_header( $key ) {
		$data = $this->get_data();

		if ( ! isset( $data[ $key ] ) ) {
			return false;
		}

		return $data[ $key ];
	}

	/**
	 * @return bool
	 */
	private function can_install() {

		// Run installer manually
		if ( '1' === filter_input( INPUT_GET, 'ac-force-install' ) ) {
			return true;
		}

		// Run installer when the current version is not equal to its stored version
		if ( ! $this->is_version_equal( $this->get_stored_version() ) ) {
			return true;
		}

		// Run installer when the current version can not be read from the plugin's header file
		if ( ! $this->get_version() && ! $this->get_stored_version() ) {
			return true;
		}

		return false;
	}

	public function install() {
		if ( ! $this->can_install() ) {
			return;
		}

		global $wp_roles;

		if ( ! $wp_roles ) {
			$wp_roles = new WP_Roles();
		}

		do_action( 'ac/capabilities/init', $wp_roles );

		if ( $this->installer instanceof Installer ) {
			$this->installer->install();
		}

		if ( current_user_can( Capabilities::MANAGE ) && ! is_network_admin() ) {
			$this->run_updater();
		}
	}

	private function run_updater() {
		$updater = new Plugin\Updater\Site( $this );

		$reflection = new ReflectionObject( $this );
		$classes = Autoloader::instance()->get_class_names_from_dir( $reflection->getNamespaceName() . '\Plugin\Update' );

		foreach ( $classes as $class ) {
			$updater->add_update( new $class( $this->get_stored_version() ) );
		}

		$updater->parse_updates();
	}

	/**
	 * @return bool
	 */
	public function is_beta() {
		return false !== strpos( $this->get_version(), 'beta' );
	}

	/**
	 * @return string
	 */
	public function get_version() {
		return (string) $this->get_header( 'Version' );
	}

	/**
	 * @return string
	 */
	abstract protected function get_version_key();

	/**
	 * @param string $version
	 *
	 * @return bool
	 */
	public function is_version_gte( $version ) {
		return version_compare( $this->get_version(), $version, '>=' );
	}

	/**
	 * @param string $version
	 *
	 * @return bool
	 */
	private function is_version_equal( $version ) {
		return 0 === version_compare( $this->get_version(), $version );
	}

	/**
	 * @return string
	 */
	public function get_stored_version() {
		return (string) get_option( $this->get_version_key() );
	}

	/**
	 * Update the stored version to match the (current) version
	 *
	 * @param null $version
	 *
	 * @return bool
	 */
	public function update_stored_version( $version = null ) {
		if ( null === $version ) {
			$version = $this->get_version();
		}

		return update_option( $this->get_version_key(), $version, false );
	}

	/**
	 * Check if the plugin was updated or is a new install
	 */
	public function is_new_install() {
		global $wpdb;

		if ( $this->get_stored_version() ) {
			return false;
		}

		// Before version 3.0.5
		$results = $wpdb->get_results( "SELECT option_id FROM {$wpdb->options} WHERE option_name LIKE 'cpac_options_%' LIMIT 1" );

		return empty( $results );
	}

	/**
	 * Return a plugin header from the plugin data
	 *
	 * @param string $key
	 *
	 * @return string
	 * @deprecated
	 */
	protected function get_plugin_header( $key ) {
		_deprecated_function( __METHOD__, '3.2', 'AC\Plugin::get_header()' );

		return $this->get_header( $key );
	}

	/**
	 * Calls get_plugin_data() for this plugin
	 * @return array
	 * @see get_plugin_data()
	 * @deprecated
	 */
	protected function get_plugin_data() {
		_deprecated_function( __METHOD__, '3.2', 'AC\Plugin::get_data()' );

		return $this->get_data();
	}

}

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