<?php
/**
* Administration: Community Events class.
*
* @package WordPress
* @subpackage Administration
* @since 4.8.0
*/
/**
* Class WP_Community_Events.
*
* A client for api.wordpress.org/events.
*
* @since 4.8.0
*/
#[AllowDynamicProperties]
class WP_Community_Events {
/**
* ID for a WordPress user account.
*
* @since 4.8.0
*
* @var int
*/
protected $user_id = 0;
/**
* Stores location data for the user.
*
* @since 4.8.0
*
* @var false|array
*/
protected $user_location = false;
/**
* Constructor for WP_Community_Events.
*
* @since 4.8.0
*
* @param int $user_id WP user ID.
* @param false|array $user_location {
* Stored location data for the user. false to pass no location.
*
* @type string $description The name of the location
* @type string $latitude The latitude in decimal degrees notation, without the degree
* symbol. e.g.: 47.615200.
* @type string $longitude The longitude in decimal degrees notation, without the degree
* symbol. e.g.: -122.341100.
* @type string $country The ISO 3166-1 alpha-2 country code. e.g.: BR
* }
*/
public function __construct( $user_id, $user_location = false ) {
$this->user_id = absint( $user_id );
$this->user_location = $user_location;
}
/**
* Gets data about events near a particular location.
*
* Cached events will be immediately returned if the `user_location` property
* is set for the current user, and cached events exist for that location.
*
* Otherwise, this method sends a request to the w.org Events API with location
* data. The API will send back a recognized location based on the data, along
* with nearby events.
*
* The browser's request for events is proxied with this method, rather
* than having the browser make the request directly to api.wordpress.org,
* because it allows results to be cached server-side and shared with other
* users and sites in the network. This makes the process more efficient,
* since increasing the number of visits that get cached data means users
* don't have to wait as often; if the user's browser made the request
* directly, it would also need to make a second request to WP in order to
* pass the data for caching. Having WP make the request also introduces
* the opportunity to anonymize the IP before sending it to w.org, which
* mitigates possible privacy concerns.
*
* @since 4.8.0
* @since 5.5.2 Response no longer contains formatted date field. They're added
* in `wp.communityEvents.populateDynamicEventFields()` now.
*
* @param string $location_search Optional. City name to help determine the location.
* e.g., "Seattle". Default empty string.
* @param string $timezone Optional. Timezone to help determine the location.
* Default empty string.
* @return array|WP_Error A WP_Error on failure; an array with location and events on
* success.
*/
public function get_events( $location_search = '', $timezone = '' ) {
$cached_events = $this->get_cached_events();
if ( ! $location_search && $cached_events ) {
return $cached_events;
}
// Include an unmodified $wp_version.
require ABSPATH . WPINC . '/version.php';
$api_url = 'http://api.wordpress.org/events/1.0/';
$request_args = $this->get_request_args( $location_search, $timezone );
$request_args['user-agent'] = 'WordPress/' . $wp_version . '; ' . home_url( '/' );
if ( wp_http_supports( array( 'ssl' ) ) ) {
$api_url = set_url_scheme( $api_url, 'https' );
}
$response = wp_remote_get( $api_url, $request_args );
$response_code = wp_remote_retrieve_response_code( $response );
$response_body = json_decode( wp_remote_retrieve_body( $response ), true );
$response_error = null;
if ( is_wp_error( $response ) ) {
$response_error = $response;
} elseif ( 200 !== $response_code ) {
$response_error = new WP_Error(
'api-error',
/* translators: %d: Numeric HTTP status code, e.g. 400, 403, 500, 504, etc. */
sprintf( __( 'Invalid API response code (%d).' ), $response_code )
);
} elseif ( ! isset( $response_body['location'], $response_body['events'] ) ) {
$response_error = new WP_Error(
'api-invalid-response',
isset( $response_body['error'] ) ? $response_body['error'] : __( 'Unknown API error.' )
);
}
if ( is_wp_error( $response_error ) ) {
return $response_error;
} else {
$expiration = false;
if ( isset( $response_body['ttl'] ) ) {
$expiration = $response_body['ttl'];
unset( $response_body['ttl'] );
}
/*
* The IP in the response is usually the same as the one that was sent
* in the request, but in some cases it is different. In those cases,
* it's important to reset it back to the IP from the request.
*
* For example, if the IP sent in the request is private (e.g., 192.168.1.100),
* then the API will ignore that and use the corresponding public IP instead,
* and the public IP will get returned. If the public IP were saved, though,
* then get_cached_events() would always return `false`, because the transient
* would be generated based on the public IP when saving the cache, but generated
* based on the private IP when retrieving the cache.
*/
if ( ! empty( $response_body['location']['ip'] ) ) {
$response_body['location']['ip'] = $request_args['body']['ip'];
}
/*
* The API doesn't return a description for latitude/longitude requests,
* but the description is already saved in the user location, so that
* one can be used instead.
*/
if ( $this->coordinates_match( $request_args['body'], $response_body['location'] ) && empty( $response_body['location']['description'] ) ) {
$response_body['location']['description'] = $this->user_location['description'];
}
/*
* Store the raw response, because events will expire before the cache does.
* The response will need to be processed every page load.
*/
$this->cache_events( $response_body, $expiration );
$response_body['events'] = $this->trim_events( $response_body['events'] );
return $response_body;
}
}
/**
* Builds an array of args to use in an HTTP request to the w.org Events API.
*
* @since 4.8.0
*
* @param string $search Optional. City search string. Default empty string.
* @param string $timezone Optional. Timezone string. Default empty string.
* @return array The request args.
*/
protected function get_request_args( $search = '', $timezone = '' ) {
$args = array(
'number' => 5, // Get more than three in case some get trimmed out.
'ip' => self::get_unsafe_client_ip(),
);
/*
* Include the minimal set of necessary arguments, in order to increase the
* chances of a cache-hit on the API side.
*/
if ( empty( $search ) && isset( $this->user_location['latitude'], $this->user_location['longitude'] ) ) {
$args['latitude'] = $this->user_location['latitude'];
$args['longitude'] = $this->user_location['longitude'];
} else {
$args['locale'] = get_user_locale( $this->user_id );
if ( $timezone ) {
$args['timezone'] = $timezone;
}
if ( $search ) {
$args['location'] = $search;
}
}
// Wrap the args in an array compatible with the second parameter of `wp_remote_get()`.
return array(
'body' => $args,
);
}
/**
* Determines the user's actual IP address and attempts to partially
* anonymize an IP address by converting it to a network ID.
*
* Geolocating the network ID usually returns a similar location as the
* actual IP, but provides some privacy for the user.
*
* $_SERVER['REMOTE_ADDR'] cannot be used in all cases, such as when the user
* is making their request through a proxy, or when the web server is behind
* a proxy. In those cases, $_SERVER['REMOTE_ADDR'] is set to the proxy address rather
* than the user's actual address.
*
* Modified from https://stackoverflow.com/a/2031935/450127, MIT license.
* Modified from https://github.com/geertw/php-ip-anonymizer, MIT license.
*
* SECURITY WARNING: This function is _NOT_ intended to be used in
* circumstances where the authenticity of the IP address matters. This does
* _NOT_ guarantee that the returned address is valid or accurate, and it can
* be easily spoofed.
*
* @since 4.8.0
*
* @return string|false The anonymized address on success; the given address
* or false on failure.
*/
public static function get_unsafe_client_ip() {
$client_ip = false;
// In order of preference, with the best ones for this purpose first.
$address_headers = array(
'HTTP_CLIENT_IP',
'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'REMOTE_ADDR',
);
foreach ( $address_headers as $header ) {
if ( array_key_exists( $header, $_SERVER ) ) {
/*
* HTTP_X_FORWARDED_FOR can contain a chain of comma-separated
* addresses. The first one is the original client. It can't be
* trusted for authenticity, but we don't need to for this purpose.
*/
$address_chain = explode( ',', $_SERVER[ $header ] );
$client_ip = trim( $address_chain[0] );
break;
}
}
if ( ! $client_ip ) {
return false;
}
$anon_ip = wp_privacy_anonymize_ip( $client_ip, true );
if ( '0.0.0.0' === $anon_ip || '::' === $anon_ip ) {
return false;
}
return $anon_ip;
}
/**
* Test if two pairs of latitude/longitude coordinates match each other.
*
* @since 4.8.0
*
* @param array $a The first pair, with indexes 'latitude' and 'longitude'.
* @param array $b The second pair, with indexes 'latitude' and 'longitude'.
* @return bool True if they match, false if they don't.
*/
protected function coordinates_match( $a, $b ) {
if ( ! isset( $a['latitude'], $a['longitude'], $b['latitude'], $b['longitude'] ) ) {
return false;
}
return $a['latitude'] === $b['latitude'] && $a['longitude'] === $b['longitude'];
}
/**
* Generates a transient key based on user location.
*
* This could be reduced to a one-liner in the calling functions, but it's
* intentionally a separate function because it's called from multiple
* functions, and having it abstracted keeps the logic consistent and DRY,
* which is less prone to errors.
*
* @since 4.8.0
*
* @param array $location Should contain 'latitude' and 'longitude' indexes.
* @return string|false Transient key on success, false on failure.
*/
protected function get_events_transient_key( $location ) {
$key = false;
if ( isset( $location['ip'] ) ) {
$key = 'community-events-' . md5( $location['ip'] );
} elseif ( isset( $location['latitude'], $location['longitude'] ) ) {
$key = 'community-events-' . md5( $location['latitude'] . $location['longitude'] );
}
return $key;
}
/**
* Caches an array of events data from the Events API.
*
* @since 4.8.0
*
* @param array $events Response body from the API request.
* @param int|false $expiration Optional. Amount of time to cache the events. Defaults to false.
* @return bool true if events were cached; false if not.
*/
protected function cache_events( $events, $expiration = false ) {
$set = false;
$transient_key = $this->get_events_transient_key( $events['location'] );
$cache_expiration = $expiration ? absint( $expiration ) : HOUR_IN_SECONDS * 12;
if ( $transient_key ) {
$set = set_site_transient( $transient_key, $events, $cache_expiration );
}
return $set;
}
/**
* Gets cached events.
*
* @since 4.8.0
* @since 5.5.2 Response no longer contains formatted date field. They're added
* in `wp.communityEvents.populateDynamicEventFields()` now.
*
* @return array|false An array containing `location` and `events` items
* on success, false on failure.
*/
public function get_cached_events() {
$transient_key = $this->get_events_transient_key( $this->user_location );
if ( ! $transient_key ) {
return false;
}
$cached_response = get_site_transient( $transient_key );
if ( isset( $cached_response['events'] ) ) {
$cached_response['events'] = $this->trim_events( $cached_response['events'] );
}
return $cached_response;
}
/**
* Adds formatted date and time items for each event in an API response.
*
* This has to be called after the data is pulled from the cache, because
* the cached events are shared by all users. If it was called before storing
* the cache, then all users would see the events in the localized data/time
* of the user who triggered the cache refresh, rather than their own.
*
* @since 4.8.0
* @deprecated 5.6.0 No longer used in core.
*
* @param array $response_body The response which contains the events.
* @return array The response with dates and times formatted.
*/
protected function format_event_data_time( $response_body ) {
_deprecated_function(
__METHOD__,
'5.5.2',
'This is no longer used by core, and only kept for backward compatibility.'
);
if ( isset( $response_body['events'] ) ) {
foreach ( $response_body['events'] as $key => $event ) {
$timestamp = strtotime( $event['date'] );
/*
* The `date_format` option is not used because it's important
* in this context to keep the day of the week in the formatted date,
* so that users can tell at a glance if the event is on a day they
* are available, without having to open the link.
*/
/* translators: Date format for upcoming events on the dashboard. Include the day of the week. See https://www.php.net/manual/datetime.format.php */
$formatted_date = date_i18n( __( 'l, M j, Y' ), $timestamp );
$formatted_time = date_i18n( get_option( 'time_format' ), $timestamp );
if ( isset( $event['end_date'] ) ) {
$end_timestamp = strtotime( $event['end_date'] );
$formatted_end_date = date_i18n( __( 'l, M j, Y' ), $end_timestamp );
if ( 'meetup' !== $event['type'] && $formatted_end_date !== $formatted_date ) {
/* translators: Upcoming events month format. See https://www.php.net/manual/datetime.format.php */
$start_month = date_i18n( _x( 'F', 'upcoming events month format' ), $timestamp );
$end_month = date_i18n( _x( 'F', 'upcoming events month format' ), $end_timestamp );
if ( $start_month === $end_month ) {
$formatted_date = sprintf(
/* translators: Date string for upcoming events. 1: Month, 2: Starting day, 3: Ending day, 4: Year. */
__( '%1$s %2$d–%3$d, %4$d' ),
$start_month,
/* translators: Upcoming events day format. See https://www.php.net/manual/datetime.format.php */
date_i18n( _x( 'j', 'upcoming events day format' ), $timestamp ),
date_i18n( _x( 'j', 'upcoming events day format' ), $end_timestamp ),
/* translators: Upcoming events year format. See https://www.php.net/manual/datetime.format.php */
date_i18n( _x( 'Y', 'upcoming events year format' ), $timestamp )
);
} else {
$formatted_date = sprintf(
/* translators: Date string for upcoming events. 1: Starting month, 2: Starting day, 3: Ending month, 4: Ending day, 5: Year. */
__( '%1$s %2$d – %3$s %4$d, %5$d' ),
$start_month,
date_i18n( _x( 'j', 'upcoming events day format' ), $timestamp ),
$end_month,
date_i18n( _x( 'j', 'upcoming events day format' ), $end_timestamp ),
date_i18n( _x( 'Y', 'upcoming events year format' ), $timestamp )
);
}
$formatted_date = wp_maybe_decline_date( $formatted_date, 'F j, Y' );
}
}
$response_body['events'][ $key ]['formatted_date'] = $formatted_date;
$response_body['events'][ $key ]['formatted_time'] = $formatted_time;
}
}
return $response_body;
}
/**
* Prepares the event list for presentation.
*
* Discards expired events, and makes WordCamps "sticky." Attendees need more
* advanced notice about WordCamps than they do for meetups, so camps should
* appear in the list sooner. If a WordCamp is coming up, the API will "stick"
* it in the response, even if it wouldn't otherwise appear. When that happens,
* the event will be at the end of the list, and will need to be moved into a
* higher position, so that it doesn't get trimmed off.
*
* @since 4.8.0
* @since 4.9.7 Stick a WordCamp to the final list.
* @since 5.5.2 Accepts and returns only the events, rather than an entire HTTP response.
* @since 6.0.0 Decode HTML entities from the event title.
*
* @param array $events The events that will be prepared.
* @return array The response body with events trimmed.
*/
protected function trim_events( array $events ) {
$future_events = array();
foreach ( $events as $event ) {
/*
* The API's `date` and `end_date` fields are in the _event's_ local timezone, but UTC is needed so
* it can be converted to the _user's_ local time.
*/
$end_time = (int) $event['end_unix_timestamp'];
if ( time() < $end_time ) {
// Decode HTML entities from the event title.
$event['title'] = html_entity_decode( $event['title'], ENT_QUOTES, 'UTF-8' );
array_push( $future_events, $event );
}
}
$future_wordcamps = array_filter(
$future_events,
static function ( $wordcamp ) {
return 'wordcamp' === $wordcamp['type'];
}
);
$future_wordcamps = array_values( $future_wordcamps ); // Remove gaps in indices.
$trimmed_events = array_slice( $future_events, 0, 3 );
$trimmed_event_types = wp_list_pluck( $trimmed_events, 'type' );
// Make sure the soonest upcoming WordCamp is pinned in the list.
if ( $future_wordcamps && ! in_array( 'wordcamp', $trimmed_event_types, true ) ) {
array_pop( $trimmed_events );
array_push( $trimmed_events, $future_wordcamps[0] );
}
return $trimmed_events;
}
/**
* Logs responses to Events API requests.
*
* @since 4.8.0
* @deprecated 4.9.0 Use a plugin instead. See #41217 for an example.
*
* @param string $message A description of what occurred.
* @param array $details Details that provide more context for the
* log entry.
*/
protected function maybe_log_events_response( $message, $details ) {
_deprecated_function( __METHOD__, '4.9.0' );
if ( ! WP_DEBUG_LOG ) {
return;
}
error_log(
sprintf(
'%s: %s. Details: %s',
__METHOD__,
trim( $message, '.' ),
wp_json_encode( $details )
)
);
}
}
كتبت شروق عارف
مع التطور الهائل في تقنيات الذكاء الاصطناعي أصبح هذا المجال ساحة تنافس شرسة خاصة بين الولايات المتحدة والصين لم تعد الدول تنظر إلى الذكاء الاصطناعي كأداة مساعدة فقط بل كقوة عظيمة تحدد ملامح المستقبل وتمنح الأفضلية لمن يتفوق فيه على الساحة العالمية فما هي أبرز التطورات الأخيرة في مجال الذكاء الاصطناعي بين الولايات المتحدة والصين؟
في البداية، تصدرت الولايات المتحدة المشهد عبر نظام ChatGPT الذي طورته شركة OpenAI والذي أحدث ثورة في عالم الذكاء الاصطناعي التفاعلي. لكن الصين لم تلبث أن ردت بقوة من خلال نظام DeepSeek V3، الذي سرعان ما تصدر قائمة التنزيلات في الولايات المتحدة، متفوق على ChatGPT في بعض الجوانب مما أعاد إشعال المنافسة مجددا
Deep Seek منافس قوي لكنه ما زال تحت التجربة
يرى الدكتور إبراهيم عبد الله أستاذ تكنولوجيا المعلومات في المعاهد العليا للدراسات النوعية إن منصة DeepSeek تقدم خدمات قوية ومجانية قد تدفع البعض لتفضيلها على ChatGPT لكنها لا تزال تحت التجربة، ولا يمكن الاعتماد عليها كليًا في الوقت الحالي وأضاف أن دعم البرمجيات مفتوحة المصدر يمثل فرصة مهمة للتطوير والابتكار لكن استخدامها يجب أن يتم بحذر وذلك لتجنب أي تهديدات أمنية محتمل
أبرز الاختلافات بين ChatGPT وDeep Seek
بحسب ما ورد في موقع click up وما ذكره ماركو ممدوح يعتبر Deep Seek نموذج ذكي من تطوير شركة صينية الذي أسسها رجل الأعمال لينج وينفينج ويعتمد على أكثر من 37 مليار معلومة وذلك يمنحه دقة عالية في الإجابة يتميز بأنه مجاني بالكامل ويدعم أكثر من 95 لغة من بينها العربية حيث يظهر اداء قوي قد يتفوق علي ChatGPT في بعض الأحيان
أما ChatGPT فهو من تطوير شركة OpenAI الأمريكية وانطلق في نوفمبر 2022 بدعم من شركة مايكروسوفت يشتهر بقدرته على التفاعل بلغة طبيعي وتميزه في الكتابة الإبداعية وصناعة الصور وتحويل النصوص إلى صوت. ومع ذلك فإن نسخته الأقوى GPT-4 تتطلب اشتراك مدفوع
أيهما يتفوق
رغم أن ChatGPT يتميز بالتفاعل الواسع والإبداع في اللغة إلا أن Deep Seek يتفوق عليه في تحليل البيانات، التفكير المنطقي والرياضيات بالإضافة إلى دعمه القوي للبرمجيات مفتوحة المصدر كما يمنح المستخدمين تحكم كامل في بياناتهم في مقابل بيئة مغلقة نسبيا في ChatGPT
لكن Deep Seek لم يسلم من الانتقادات خاصة بعد كشف تقارير عن ثغرات أمنية خطيرة، منها تعطيل أنظمة تشفير على أجهزة iPhone واستخدام تقنيات قديمة قالت هيئة حماية البيانات الإيطالية أنها حظرت نموذج DeepSeek من استخدامه كما حذّرت دول مثل تايوان من استخدامه خوفًا من تسريب بيانات حساسة في المقابل يواجه ChatGPT تحديات تتعلق بالدقة والتحيز السياسي أحيانا وعدم تقديمه دائما معلومات مكتملة أو صحيحة بالإضافة إلى إمكانية تجاوزه لقيود الأمان وذلك من خلال إعادة صياغة الأسئلة
Deep Seek ينافس بقوة و لكن ChatGPTيتفوق في الأداء
من جانبه يرى عمر عاطف خبير التكنولوجيا أن الذكاء الاصطناعي أصبح منافس حقيقي في عدة مجالات سواء في كتابة المحتوى أو تحليل البيانات أو حتى التعليم، ومع ظهور أدوات مثل DeepSeek أصبح المستخدم أمام خيارات متعددة تتيح له تجربة تقنيات متقدمة بشكل مجاني وأشار إلى أن رغم قوة هذه الأدوات فإن ChatGPT لا يزال متفوق من حيث الأداء ودقة النتائج خاصة في النسخ المدفوعة التي توفر ميزات أوسع لكن المنافسة تدفع الجميع للتطوير باستمرار
ولكن يبقى الرهان الحقيقي بين عمالقة الذكاء الاصطناعي على من يستطيع تلبية احتياجات المستخدمين بذكاء وأمان وأفضل الإمكانيات في ان واحد
