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<?php |
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/** |
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* Allow the Jetpack Beta plugin to autoupdate itself. |
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* |
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* @package automattic/jetpack-beta |
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*/ |
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namespace Automattic\JetpackBeta; |
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use WP_Error; |
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/** |
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* Allow the Jetpack Beta plugin to autoupdate itself. |
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*/ |
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class AutoupdateSelf { |
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/** |
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* Singleton class instance. |
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* |
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* @var static |
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*/ |
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protected static $instance = null; |
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const TRANSIENT_NAME = 'JETPACK_BETA_LATEST_TAG'; |
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/** |
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* Main Instance |
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*/ |
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public static function instance() { |
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if ( null === self::$instance ) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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/** |
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* Constructor |
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*/ |
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public function __construct() { |
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if ( ! empty( self::$instance ) ) { |
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return; |
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} |
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$this->config = array( |
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'plugin_file' => JPBETA__PLUGIN_FOLDER . '/jetpack-beta.php', |
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'slug' => JPBETA__PLUGIN_FOLDER, |
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'proper_folder_name' => JPBETA__PLUGIN_FOLDER, |
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'api_url' => 'https://api.github.com/repos/Automattic/jetpack-beta', |
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'github_url' => 'https://github.com/Automattic/jetpack-beta', |
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'requires' => '4.7', |
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'tested' => '4.7', |
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); |
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add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'api_check' ) ); |
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add_filter( 'plugins_api', array( $this, 'get_plugin_info' ), 10, 3 ); |
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add_filter( 'upgrader_source_selection', array( $this, 'upgrader_source_selection' ), 10, 3 ); |
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} |
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/** Set update arguments */ |
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public function set_update_args() { |
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$plugin_data = $this->get_plugin_data(); |
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$this->config['plugin_name'] = $plugin_data['Name']; |
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$this->config['version'] = $plugin_data['Version']; |
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$this->config['author'] = $plugin_data['Author']; |
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$this->config['homepage'] = $plugin_data['PluginURI']; |
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$this->config['new_version'] = $this->get_latest_prerelease(); |
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$this->config['last_updated'] = $this->get_date(); |
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$this->config['description'] = $this->get_description(); |
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$this->config['zip_url'] = 'https://github.com/Automattic/jetpack-beta/zipball/' . $this->config['new_version']; |
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} |
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/** Check for latest pre-release plugin every six hours and update */ |
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public function get_latest_prerelease() { |
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$tagged_version = get_site_transient( self::TRANSIENT_NAME ); |
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if ( $this->overrule_transients() || empty( $tagged_version ) ) { |
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$raw_response = wp_remote_get( trailingslashit( $this->config['api_url'] ) . 'releases' ); |
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if ( is_wp_error( $raw_response ) ) { |
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return false; |
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} |
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$releases = json_decode( $raw_response['body'] ); |
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$tagged_version = false; |
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if ( is_array( $releases ) ) { |
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foreach ( $releases as $release ) { |
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// Since 2.2, so that we don't have to maker the Jetpack Beta 2.0.3 as prerelease. |
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if ( ! $release->prerelease ) { |
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$tagged_version = $release->tag_name; |
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break; |
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} |
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} |
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} |
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// Refresh every 6 hours. |
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if ( ! empty( $tagged_version ) ) { |
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set_site_transient( self::TRANSIENT_NAME, $tagged_version, 60 * 60 * 6 ); |
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} |
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} |
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return $tagged_version; |
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} |
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/** Override transients to force update */ |
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public function overrule_transients() { |
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return ( defined( 'Jetpack_Beta_FORCE_UPDATE' ) && Jetpack_Beta_FORCE_UPDATE ); |
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} |
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/** Get update data from Github */ |
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public function get_github_data() { |
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if ( ! empty( $this->github_data ) ) { |
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$github_data = $this->github_data; |
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} else { |
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$github_data = get_site_transient( md5( $this->config['slug'] ) . '_github_data' ); |
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if ( $this->overrule_transients() || ( ! isset( $github_data ) || ! $github_data || '' === $github_data ) ) { |
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$github_data = wp_remote_get( $this->config['api_url'] ); |
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if ( is_wp_error( $github_data ) ) { |
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return false; |
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} |
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$github_data = json_decode( $github_data['body'] ); |
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// Refresh every 6 hours. |
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set_site_transient( md5( $this->config['slug'] ) . '_github_data', $github_data, 60 * 60 * 6 ); |
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} |
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// Store the data in this class instance for future calls. |
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$this->github_data = $github_data; |
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} |
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return $github_data; |
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} |
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/** Get date of update in GMT*/ |
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public function get_date() { |
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$_date = $this->get_github_data(); |
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return ! empty( $_date->updated_at ) ? gmdate( 'Y-m-d', strtotime( $_date->updated_at ) ) : false; |
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} |
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/** Get latest update's description */ |
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public function get_description() { |
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$_description = $this->get_github_data(); |
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return ! empty( $_description->description ) ? $_description->description : false; |
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} |
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/** Get plugin update data */ |
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public function get_plugin_data() { |
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return get_plugin_data( WP_PLUGIN_DIR . '/' . $this->config['plugin_file'] ); |
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} |
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/** Check if there's a newer version */ |
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public function has_never_version() { |
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if ( ! isset( $this->config['new_version'] ) ) { |
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$this->set_update_args(); |
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} |
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return version_compare( $this->config['new_version'], $this->config['version'], '>' ); |
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} |
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/** |
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* Check the latest transient data and update if necessary. |
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* |
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* @param string $transient - the transient we're checking. |
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*/ |
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public function api_check( $transient ) { |
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// Check if the transient contains the 'checked' information. |
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// If not, just return its value without hacking it. |
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if ( ! isset( $transient->no_update ) ) { |
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return $transient; |
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} |
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// Get the latest version. |
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delete_site_transient( self::TRANSIENT_NAME ); |
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if ( $this->has_never_version() ) { |
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$response = (object) array( |
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'plugin' => $this->config['slug'], |
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'new_version' => $this->config['new_version'], |
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'slug' => $this->config['slug'], |
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'url' => $this->config['github_url'], |
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'package' => $this->config['zip_url'], |
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); |
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// If response is false, don't alter the transient. |
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if ( false !== $response ) { |
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$transient->response[ $this->config['plugin_file'] ] = $response; |
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} |
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} |
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return $transient; |
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} |
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/** |
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* Get latest plugin information |
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* |
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* @param string $false Result from plugins_api. |
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* @param string $action The type of information being requested from the Plugin Installation API. |
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* @param object $response The response from plugins_api. |
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*/ |
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public function get_plugin_info( $false, $action, $response ) { |
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// Check if this call API is for the right plugin. |
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if ( ! isset( $response->slug ) || $response->slug !== $this->config['slug'] ) { |
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return false; |
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} |
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// Update tags. |
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$this->set_update_args(); |
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$response->slug = $this->config['slug']; |
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$response->plugin = $this->config['slug']; |
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$response->name = $this->config['plugin_name']; |
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$response->plugin_name = $this->config['plugin_name']; |
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$response->version = $this->config['new_version']; |
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$response->author = $this->config['author']; |
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$response->homepage = $this->config['homepage']; |
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$response->requires = $this->config['requires']; |
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$response->tested = $this->config['tested']; |
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$response->downloaded = 0; |
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$response->last_updated = $this->config['last_updated']; |
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$response->sections = array( 'description' => $this->config['description'] ); |
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$response->download_link = $this->config['zip_url']; |
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return $response; |
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} |
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/** |
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* Updates the source file location for the upgrade package. |
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* |
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* @param string $source - File source location.. |
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* @param string $remote_source - Remote file source location. |
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*/ |
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public function upgrader_source_selection( $source, $remote_source ) { |
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global $wp_filesystem; |
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if ( strstr( $source, '/Automattic-jetpack-beta-' ) ) { |
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$corrected_source = trailingslashit( $remote_source ) . trailingslashit( $this->config['proper_folder_name'] ); |
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if ( $wp_filesystem->move( $source, $corrected_source, true ) ) { |
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return $corrected_source; |
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} else { |
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return new WP_Error(); |
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} |
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} |
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return $source; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: