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<?php |
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// uncomment this line for testing |
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//set_site_transient( 'update_plugins', null ); |
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// Exit if accessed directly |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* Allows plugins to use their own update API. |
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* |
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* @author Pippin Williamson |
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* @version 1.6 |
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*/ |
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class FrmEDD_SL_Plugin_Updater { |
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private $api_url = ''; |
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private $api_data = array(); |
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private $name = ''; |
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private $slug = ''; |
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private $version = ''; |
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/** |
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* Class constructor. |
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* |
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* @uses plugin_basename() |
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* @uses hook() |
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* |
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* @param string $_api_url The URL pointing to the custom API endpoint. |
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* @param string $_plugin_file Path to the plugin file. |
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* @param array $_api_data Optional data to send with API calls. |
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*/ |
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public function __construct( $_api_url, $_plugin_file, $_api_data = null ) { |
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$this->api_url = trailingslashit( $_api_url ); |
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$this->api_data = $_api_data; |
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$this->name = plugin_basename( $_plugin_file ); |
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$this->slug = basename( $_plugin_file, '.php' ); |
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$this->version = $_api_data['version']; |
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// Set up hooks. |
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$this->init(); |
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add_action( 'admin_init', array( $this, 'show_changelog' ) ); |
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} |
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/** |
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* Set up WordPress filters to hook into WP's update process. |
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* |
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* @uses add_filter() |
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* |
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* @return void |
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*/ |
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public function init() { |
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add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); |
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add_filter( 'plugins_api', array( $this, 'plugins_api_filter' ), 10, 3 ); |
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} |
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/** |
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* Check for Updates at the defined API endpoint and modify the update array. |
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* |
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* This function dives into the update API just when WordPress creates its update array, |
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* then adds a custom API call and injects the custom plugin data retrieved from the API. |
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* It is reassembled from parts of the native WordPress plugin update code. |
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* See wp-includes/update.php line 121 for the original wp_update_plugins() function. |
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* |
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* @uses api_request() |
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* |
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* @param array $_transient_data Update array build by WordPress. |
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* @return array Modified update array with custom plugin data. |
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*/ |
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public function check_update( $_transient_data ) { |
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global $pagenow; |
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if ( ! is_object( $_transient_data ) ) { |
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$_transient_data = new stdClass; |
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} |
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if ( empty( $_transient_data->response ) || empty( $_transient_data->response[ $this->name ] ) ) { |
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$version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug ) ); |
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if ( false !== $version_info && is_object( $version_info ) && isset( $version_info->new_version ) ) { |
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if ( version_compare( $this->version, $version_info->new_version, '<' ) ) { |
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if ( empty( $version_info->plugin ) ) { |
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$version_info->plugin = $this->name; |
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} |
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$_transient_data->response[ $this->name ] = $version_info; |
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} |
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$_transient_data->last_checked = time(); |
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$_transient_data->checked[ $this->name ] = $this->version; |
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} |
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} |
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return $_transient_data; |
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} |
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/** |
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* Updates information on the "View version x.x details" page with custom data. |
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* |
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* @uses api_request() |
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* |
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* @param mixed $_data |
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* @param string $_action |
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* @param object $_args |
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* @return object $_data |
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*/ |
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public function plugins_api_filter( $_data, $_action = '', $_args = null ) { |
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if ( $_action != 'plugin_information' ) { |
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return $_data; |
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} |
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if ( ! isset( $_args->slug ) || ( $_args->slug != $this->slug ) ) { |
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return $_data; |
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} |
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$to_send = array( |
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'slug' => $this->slug, |
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'is_ssl' => is_ssl(), |
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'fields' => array( |
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'banners' => false, // These will be supported soon hopefully |
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'reviews' => false, |
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), |
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); |
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$api_response = $this->api_request( 'plugin_information', $to_send ); |
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if ( false !== $api_response ) { |
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$_data = $api_response; |
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} |
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return $_data; |
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} |
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/** |
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* Disable SSL verification in order to prevent download update failures |
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* |
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* @param array $args |
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* @param string $url |
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* @return object $array |
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*/ |
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public function http_request_args( $args, $url ) { |
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// If it is an https request and we are performing a package download, disable ssl verification |
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if ( strpos( $url, 'https://' ) !== false && strpos( $url, 'edd_action=package_download' ) ) { |
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$args['sslverify'] = false; |
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} |
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return $args; |
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} |
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/** |
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* Calls the API and, if successfull, returns the object delivered by the API. |
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* |
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* @uses get_bloginfo() |
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* @uses wp_remote_post() |
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* @uses is_wp_error() |
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* |
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* @param string $_action The requested action. |
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* @param array $_data Parameters for the API action. |
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* @return false|object |
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*/ |
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private function api_request( $_action, $_data ) { |
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global $wp_version; |
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$data = array_merge( $this->api_data, $_data ); |
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if ( $data['slug'] != $this->slug ) { |
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return; |
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} |
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if ( $this->api_url == home_url() ) { |
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return false; // Don't allow a plugin to ping itself |
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} |
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$api_params = array( |
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'edd_action' => 'get_version', |
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'license' => ! empty( $data['license'] ) ? $data['license'] : '', |
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'item_name' => isset( $data['item_name'] ) ? $data['item_name'] : false, |
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'item_id' => isset( $data['item_id'] ) ? $data['item_id'] : false, |
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'slug' => $data['slug'], |
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'author' => $data['author'], |
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'url' => home_url(), |
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); |
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$cache_key = 'edd_plugin_' . md5( sanitize_key( $api_params['license'] . $this->version ) . '_' . $api_params['edd_action'] ); |
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$cached_response = get_transient( $cache_key ); |
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if ( $cached_response !== false ) { |
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// if this has been checked within 24 hours, don't check again |
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return $cached_response; |
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} |
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$request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => false, 'body' => $api_params ) ); |
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if ( ! is_wp_error( $request ) ) { |
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$request = json_decode( wp_remote_retrieve_body( $request ) ); |
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} |
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if ( $request && isset( $request->sections ) ) { |
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$request->sections = maybe_unserialize( $request->sections ); |
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set_transient( $cache_key, $request, DAY_IN_SECONDS ); |
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} else { |
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$request = false; |
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set_transient( $cache_key, 0, DAY_IN_SECONDS ); |
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} |
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return $request; |
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} |
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public function show_changelog() { |
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if ( empty( $_REQUEST['edd_sl_action'] ) || 'view_plugin_changelog' != $_REQUEST['edd_sl_action'] ) { |
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return; |
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} |
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if ( empty( $_REQUEST['plugin'] ) ) { |
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return; |
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} |
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if ( empty( $_REQUEST['slug'] ) ) { |
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return; |
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} |
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if ( ! current_user_can( 'update_plugins' ) ) { |
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wp_die( __( 'You do not have permission to install plugin updates', 'edd' ), __( 'Error', 'edd' ), array( 'response' => 403 ) ); |
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} |
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$response = $this->api_request( 'plugin_latest_version', array( 'slug' => $_REQUEST['slug'] ) ); |
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if ( $response && isset( $response->sections['changelog'] ) ) { |
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echo '<div style="background:#fff;padding:10px;">' . $response->sections['changelog'] . '</div>'; |
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} |
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exit; |
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} |
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} |
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Our type inference engine has found an assignment of a scalar value (like a string, an integer or null) to a property which is an array.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.
To type hint that a parameter can be either an array or null, you can set a type hint of array and a default value of null. The PHP interpreter will then accept both an array or null for that parameter.
The function can be called with either null or an array for the parameter
$needlebut will only accept an array as$haystack.