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<?php

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/**

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* WordPress Plugin Install Administration API

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* @package WordPress

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* @subpackage Administration

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/**

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* Retrieves plugin installer pages from the WordPress.org Plugins API.

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* It is possible for a plugin to override the Plugin API result with three

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* filters. Assume this is for plugins, which can extend on the Plugin Info to

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* offer more choices. This is very powerful and must be used with care when

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* overriding the filters.

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* The first filter, {@see 'plugins_api_args'}, is for the args and gives the action

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* as the second parameter. The hook for {@see 'plugins_api_args'} must ensure that

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* an object is returned.

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* The second filter, {@see 'plugins_api'}, allows a plugin to override the WordPress.org

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* Plugin Installation API entirely. If `$action` is 'query_plugins' or 'plugin_information',

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* an object MUST be passed. If `$action` is 'hot_tags' or 'hot_categories', an array MUST

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* be passed.

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* Finally, the third filter, {@see 'plugins_api_result'}, makes it possible to filter the

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* response object or array, depending on the `$action` type.

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* Supported arguments per action:

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* | -------------------- | :-----------: | :----------------: | :------: | :------------: |

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* | `$slug` | No | Yes | No | No |

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* | `$per_page` | Yes | No | No | No |

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* | `$page` | Yes | No | No | No |

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* | `$number` | No | No | Yes | Yes |

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* | `$search` | Yes | No | No | No |

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* | `$tag` | Yes | No | No | No |

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* | `$author` | Yes | No | No | No |

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* | `$user` | Yes | No | No | No |

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* | `$browse` | Yes | No | No | No |

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* | `$locale` | Yes | Yes | No | No |

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* | `$installed_plugins` | Yes | No | No | No |

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* | `$is_ssl` | Yes | Yes | No | No |

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* | `$fields` | Yes | Yes | No | No |

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* @since 2.7.0

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* @param string $action API action to perform: 'query_plugins', 'plugin_information',

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* 'hot_tags' or 'hot_categories'.

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* @param array|object $args {

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* Optional. Array or object of arguments to serialize for the Plugin Info API.

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* @type string $slug The plugin slug. Default empty.

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* @type int $per_page Number of plugins per page. Default 24.

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* @type int $page Number of current page. Default 1.

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* @type int $number Number of tags or categories to be queried.

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* @type string $search A search term. Default empty.

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* @type string $tag Tag to filter plugins. Default empty.

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* @type string $author Username of an plugin author to filter plugins. Default empty.

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* @type string $user Username to query for their favorites. Default empty.

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* @type string $browse Browse view: 'popular', 'new', 'beta', 'recommended'.

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* @type string $locale Locale to provide context-sensitive results. Default is the value

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* of get_locale().

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* @type string $installed_plugins Installed plugins to provide context-sensitive results.

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* @type bool $is_ssl Whether links should be returned with https or not. Default false.

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* @type array $fields {

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* Array of fields which should or should not be returned.

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* @type bool $short_description Whether to return the plugin short description. Default true.

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* @type bool $description Whether to return the plugin full description. Default false.

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* @type bool $sections Whether to return the plugin readme sections: description, installation,

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* FAQ, screenshots, other notes, and changelog. Default false.

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* @type bool $tested Whether to return the 'Compatible up to' value. Default true.

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* @type bool $requires Whether to return the required WordPress version. Default true.

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* @type bool $requires_php Whether to return the required PHP version. Default true.

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* @type bool $rating Whether to return the rating in percent and total number of ratings.

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* Default true.

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* @type bool $ratings Whether to return the number of rating for each star (1-5). Default true.

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* @type bool $downloaded Whether to return the download count. Default true.

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* @type bool $downloadlink Whether to return the download link for the package. Default true.

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* @type bool $last_updated Whether to return the date of the last update. Default true.

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* @type bool $added Whether to return the date when the plugin was added to the wordpress.org

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* repository. Default true.

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* @type bool $tags Whether to return the assigned tags. Default true.

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* @type bool $compatibility Whether to return the WordPress compatibility list. Default true.

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* @type bool $homepage Whether to return the plugin homepage link. Default true.

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* @type bool $versions Whether to return the list of all available versions. Default false.

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* @type bool $donate_link Whether to return the donation link. Default true.

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* @type bool $reviews Whether to return the plugin reviews. Default false.

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* @type bool $banners Whether to return the banner images links. Default false.

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* @type bool $icons Whether to return the icon links. Default false.

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* @type bool $active_installs Whether to return the number of active installations. Default false.

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* @type bool $group Whether to return the assigned group. Default false.

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* @type bool $contributors Whether to return the list of contributors. Default false.

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* }

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* }

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* @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the

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* {@link https://developer.wordpress.org/reference/functions/plugins_api/ function reference article}

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* for more information on the make-up of possible return values depending on the value of `$action`.

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function plugins_api( $action, $args = array() ) {

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// Include an unmodified $wp_version.

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require ABSPATH . WPINC . '/version.php';

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if ( is_array( $args ) ) {

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$args = (object) $args;

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}

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if ( 'query_plugins' === $action ) {

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if ( ! isset( $args->per_page ) ) {

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$args->per_page = 24;

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}

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}

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if ( ! isset( $args->locale ) ) {

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$args->locale = get_user_locale();

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}

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if ( ! isset( $args->wp_version ) ) {

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$args->wp_version = substr( $wp_version, 0, 3 ); // x.y

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}

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/**

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* Filters the WordPress.org Plugin Installation API arguments.

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* Important: An object MUST be returned to this filter.

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* @since 2.7.0

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* @param object $args Plugin API arguments.

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* @param string $action The type of information being requested from the Plugin Installation API.

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$args = apply_filters( 'plugins_api_args', $args, $action );

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/**

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* Filters the response for the current WordPress.org Plugin Installation API request.

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* Passing a non-false value will effectively short-circuit the WordPress.org API request.

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* If `$action` is 'query_plugins' or 'plugin_information', an object MUST be passed.

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* If `$action` is 'hot_tags' or 'hot_categories', an array should be passed.

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* @since 2.7.0

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* @param false|object|array $result The result object or array. Default false.

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* @param string $action The type of information being requested from the Plugin Installation API.

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* @param object $args Plugin API arguments.

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$res = apply_filters( 'plugins_api', false, $action, $args );

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if ( false === $res ) {

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$url = 'http://api.wordpress.org/plugins/info/1.2/';

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$url = add_query_arg(

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array(

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'action' => $action,

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'request' => $args,

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$url

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);

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$http_url = $url;

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$ssl = wp_http_supports( array( 'ssl' ) );

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if ( $ssl ) {

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$url = set_url_scheme( $url, 'https' );

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}

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$http_args = array(

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'timeout' => 15,

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'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),

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);

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$request = wp_remote_get( $url, $http_args );

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if ( $ssl && is_wp_error( $request ) ) {

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if ( ! wp_is_json_request() ) {

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trigger_error(

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sprintf(

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/* translators: %s: Support forums URL. */

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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),

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__( 'https://wordpress.org/support/forums/' )

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) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),

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headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE

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);

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}

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$request = wp_remote_get( $http_url, $http_args );

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}

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if ( is_wp_error( $request ) ) {

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$res = new WP_Error(

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'plugins_api_failed',

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sprintf(

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/* translators: %s: Support forums URL. */

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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),

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__( 'https://wordpress.org/support/forums/' )

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$request->get_error_message()

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);

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} else {

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$res = json_decode( wp_remote_retrieve_body( $request ), true );

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if ( is_array( $res ) ) {

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// Object casting is required in order to match the info/1.0 format.

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$res = (object) $res;

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} elseif ( null === $res ) {

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$res = new WP_Error(

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'plugins_api_failed',

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sprintf(

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/* translators: %s: Support forums URL. */

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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),

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__( 'https://wordpress.org/support/forums/' )

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wp_remote_retrieve_body( $request )

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);

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}

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if ( isset( $res->error ) ) {

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$res = new WP_Error( 'plugins_api_failed', $res->error );

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}

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}

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} elseif ( ! is_wp_error( $res ) ) {

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$res->external = true;

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}

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/**

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* Filters the Plugin Installation API response results.

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* @since 2.7.0

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* @param object|WP_Error $res Response object or WP_Error.

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* @param string $action The type of information being requested from the Plugin Installation API.

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* @param object $args Plugin API arguments.

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return apply_filters( 'plugins_api_result', $res, $action, $args );

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}

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/**

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* Retrieve popular WordPress plugin tags.

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* @since 2.7.0

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* @param array $args

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* @return array|WP_Error

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function install_popular_tags( $args = array() ) {

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$key = md5( serialize( $args ) );

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$tags = get_site_transient( 'poptags_' . $key );

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if ( false !== $tags ) {

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return $tags;

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}

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$tags = plugins_api( 'hot_tags', $args );

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if ( is_wp_error( $tags ) ) {

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return $tags;

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}

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set_site_transient( 'poptags_' . $key, $tags, 3 * HOUR_IN_SECONDS );

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return $tags;

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}

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/**

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* @since 2.7.0

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function install_dashboard() {

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<p>

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<?php

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printf(

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/* translators: %s: https://wordpress.org/plugins/ */

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__( 'Plugins extend and expand the functionality of WordPress. You may automatically install plugins from the <a href="%s">WordPress Plugin Directory</a> or upload a plugin in .zip format by clicking the button at the top of this page.' ),

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__( 'https://wordpress.org/plugins/' )

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);

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</p>

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<?php display_plugins_table(); ?>

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<?php

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$api_tags = install_popular_tags();

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echo '<p class="popular-tags">';

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if ( is_wp_error( $api_tags ) ) {

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echo $api_tags->get_error_message();

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} else {

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// Set up the tags in a way which can be interpreted by wp_generate_tag_cloud().

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$tags = array();

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foreach ( (array) $api_tags as $tag ) {

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$url = self_admin_url( 'plugin-install.php?tab=search&type=tag&s=' . urlencode( $tag['name'] ) );

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$data = array(

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'link' => esc_url( $url ),

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'name' => $tag['name'],

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'slug' => $tag['slug'],

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'id' => sanitize_title_with_dashes( $tag['name'] ),

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'count' => $tag['count'],

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);

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$tags[ $tag['name'] ] = (object) $data;

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}

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echo wp_generate_tag_cloud(

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$tags,

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array(

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/* translators: %s: Number of plugins. */

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'single_text' => __( '%s plugin' ),

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/* translators: %s: Number of plugins. */

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'multiple_text' => __( '%s plugins' ),

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)

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);

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}

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echo '</p><br class="clear" /></div>';

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}

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/**

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* Displays a search form for searching plugins.

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* @since 2.7.0

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* @since 4.6.0 The `$type_selector` parameter was deprecated.

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* @param bool $deprecated Not used.

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function install_search_form( $deprecated = true ) {

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$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';

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$term = isset( $_REQUEST['s'] ) ? wp_unslash( $_REQUEST['s'] ) : '';

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</select>

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<input type="search" name="s" id="search-plugins" value="<?php echo esc_attr( $term ); ?>" class="wp-filter-search" placeholder="<?php esc_attr_e( 'Search plugins...' ); ?>" />

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<?php submit_button( __( 'Search Plugins' ), 'hide-if-js', false, false, array( 'id' => 'search-submit' ) ); ?>

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</form>

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<?php

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}

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/**

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* Upload from zip

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* @since 2.8.0

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function install_plugins_upload() {

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<?php wp_nonce_field( 'plugin-upload' ); ?>

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<?php submit_button( __( 'Install Now' ), '', 'install-plugin-submit', false ); ?>

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</form>

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</div>

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<?php

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}

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/**

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* Show a username form for the favorites page

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* @since 3.5.0

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function install_plugins_favorites_form() {

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$user = get_user_option( 'wporg_favorites' );

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$action = 'save_wporg_username_' . get_current_user_id();

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<p>

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</p>

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</form>

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<?php

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}

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/**

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* Display plugin content based on plugin list.

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* @since 2.7.0

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* @global WP_List_Table $wp_list_table

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function display_plugins_table() {

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global $wp_list_table;

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switch ( current_filter() ) {

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case 'install_plugins_favorites':

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if ( empty( $_GET['user'] ) && ! get_user_option( 'wporg_favorites' ) ) {

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return;

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}

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break;

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case 'install_plugins_recommended':

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echo '<p>' . __( 'These suggestions are based on the plugins you and other users have installed.' ) . '</p>';

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break;

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case 'install_plugins_beta':

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printf(

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/* translators: %s: URL to "Features as Plugins" page. */

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'<p>' . __( 'You are using a development version of WordPress. These feature plugins are also under development. <a href="%s">Learn more</a>.' ) . '</p>',

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'https://make.wordpress.org/core/handbook/about/release-cycle/features-as-plugins/'

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);

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break;

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}

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<?php $wp_list_table->display(); ?>

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</form>

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<?php

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}

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/**

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* Determine the status we can perform on a plugin.

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* @since 3.0.0

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* @param array|object $api Data about the plugin retrieved from the API.

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* @param bool $loop Optional. Disable further loops. Default false.

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* @return array {

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* Plugin installation status data.

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* @type string $status Status of a plugin. Could be one of 'install', 'update_available', 'latest_installed' or 'newer_installed'.

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* @type string $url Plugin installation URL.

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* @type string $version The most recent version of the plugin.

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* @type string $file Plugin filename relative to the plugins directory.

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* }

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function install_plugin_install_status( $api, $loop = false ) {

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// This function is called recursively, $loop prevents further loops.

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if ( is_array( $api ) ) {

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$api = (object) $api;

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}

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// Default to a "new" plugin.

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$status = 'install';

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$url = false;

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$update_file = false;

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$version = '';

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[446] Fix | Delete

[447] Fix | Delete

* Check to see if this plugin is known to be installed,

[448] Fix | Delete

* and has an update awaiting it.

[449] Fix | Delete

[450] Fix | Delete

$update_plugins = get_site_transient( 'update_plugins' );

[451] Fix | Delete

if ( isset( $update_plugins->response ) ) {

[452] Fix | Delete

foreach ( (array) $update_plugins->response as $file => $plugin ) {

[453] Fix | Delete

if ( $plugin->slug === $api->slug ) {

[454] Fix | Delete

$status = 'update_available';

[455] Fix | Delete

$update_file = $file;

[456] Fix | Delete

$version = $plugin->new_version;

[457] Fix | Delete

if ( current_user_can( 'update_plugins' ) ) {

[458] Fix | Delete

$url = wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' . $update_file ), 'upgrade-plugin_' . $update_file );

[459] Fix | Delete

}

[460] Fix | Delete

break;

[461] Fix | Delete

}

[462] Fix | Delete

}

[463] Fix | Delete

}

[464] Fix | Delete

[465] Fix | Delete

if ( 'install' === $status ) {

[466] Fix | Delete

if ( is_dir( WP_PLUGIN_DIR . '/' . $api->slug ) ) {

[467] Fix | Delete

$installed_plugin = get_plugins( '/' . $api->slug );

[468] Fix | Delete

if ( empty( $installed_plugin ) ) {

[469] Fix | Delete

if ( current_user_can( 'install_plugins' ) ) {

[470] Fix | Delete

$url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=' . $api->slug ), 'install-plugin_' . $api->slug );

[471] Fix | Delete

}

[472] Fix | Delete

} else {

[473] Fix | Delete

$key = array_keys( $installed_plugin );

[474] Fix | Delete

// Use the first plugin regardless of the name.

[475] Fix | Delete

// Could have issues for multiple plugins in one directory if they share different version numbers.

[476] Fix | Delete

$key = reset( $key );

[477] Fix | Delete

[478] Fix | Delete

$update_file = $api->slug . '/' . $key;

[479] Fix | Delete

if ( version_compare( $api->version, $installed_plugin[ $key ]['Version'], '=' ) ) {

[480] Fix | Delete

$status = 'latest_installed';

[481] Fix | Delete

} elseif ( version_compare( $api->version, $installed_plugin[ $key ]['Version'], '<' ) ) {

[482] Fix | Delete

$status = 'newer_installed';

[483] Fix | Delete

$version = $installed_plugin[ $key ]['Version'];

[484] Fix | Delete

} else {

[485] Fix | Delete

// If the above update check failed, then that probably means that the update checker has out-of-date information, force a refresh.

[486] Fix | Delete

if ( ! $loop ) {

[487] Fix | Delete

delete_site_transient( 'update_plugins' );

[488] Fix | Delete

wp_update_plugins();

[489] Fix | Delete

return install_plugin_install_status( $api, true );

[490] Fix | Delete

}

[491] Fix | Delete

}

[492] Fix | Delete

}

[493] Fix | Delete

} else {

[494] Fix | Delete

// "install" & no directory with that slug.

[495] Fix | Delete

if ( current_user_can( 'install_plugins' ) ) {

[496] Fix | Delete

$url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=' . $api->slug ), 'install-plugin_' . $api->slug );

[497] Fix | Delete

}

[498] Fix | Delete

}

[499] Fix | Delete