事件驅動，非阻塞式 I/O，其他的 ev/uv/eio 之類的想了解也可以看看 這是使用特定平臺可用的最佳I / O通知機制有效地調度基于I / O，時間和信號的事件的擴展。這是libevent與PHP基礎結構的移植。 請注意，*event-1.0.0*及更高版本與以前的版本不兼容 [https://pecl.php.net/package/event](https://pecl.php.net/package/event). * [例子](https://www.php.net/manual/en/event.examples.php) * [事件標志](https://www.php.net/manual/en/event.flags.php) * [關于事件持久性](https://www.php.net/manual/en/event.persistence.php) * [事件回調](https://www.php.net/manual/en/event.callbacks.php) * [構造信號事件](https://www.php.net/manual/en/event.constructing.signal.events.php) * [事件](https://www.php.net/manual/en/class.event.php)—事件類 * [Event ::](https://www.php.net/manual/en/event.add.php)add-使事件掛起 * [Event :: addSignal](https://www.php.net/manual/en/event.addsignal.php)—使信號事件掛起 * [Event :: addTimer](https://www.php.net/manual/en/event.addtimer.php)—使計時器事件掛起 * [Event :: \_\_ construct](https://www.php.net/manual/en/event.construct.php)—構造事件對象 * [Event :: del](https://www.php.net/manual/en/event.del.php)—使事件處于未決狀態 * [Event :: delSignal](https://www.php.net/manual/en/event.delsignal.php)—使信號事件處于未決狀態 * [Event :: delTimer](https://www.php.net/manual/en/event.deltimer.php)—使計時器事件處于未掛起狀態 * [Event :: free](https://www.php.net/manual/en/event.free.php)—使事件成為非掛起事件，并為此事件分配空閑資源 * [Event :: getSupportedMethods](https://www.php.net/manual/en/event.getsupportedmethods.php)—返回具有此版本Libevent支持的方法名稱的數組 * [Event :: pending](https://www.php.net/manual/en/event.pending.php)—檢測事件是掛起還是已調度 * [Event :: set](https://www.php.net/manual/en/event.set.php)—重新配置事件 * [Event :: setPriority](https://www.php.net/manual/en/event.setpriority.php)—設置事件優先級 * [Event :: setTimer](https://www.php.net/manual/en/event.settimer.php)—重新配置計時器事件 * [Event :: signal](https://www.php.net/manual/en/event.signal.php)—構造信號事件對象 * [Event :: timer](https://www.php.net/manual/en/event.timer.php)—構造計時器事件對象 * [EventBase](https://www.php.net/manual/en/class.eventbase.php)— EventBase類 * [EventBase :: \_\_ construct](https://www.php.net/manual/en/eventbase.construct.php)—構造EventBase對象 * [EventBase :: dispatch](https://www.php.net/manual/en/eventbase.dispatch.php)—調度未決事件 * [EventBase :: exit](https://www.php.net/manual/en/eventbase.exit.php)—停止調度事件 * [EventBase :: free](https://www.php.net/manual/en/eventbase.free.php)—為此事件庫分配的免費資源 * [EventBase :: getFeatures](https://www.php.net/manual/en/eventbase.getfeatures.php)—返回支持的功能的位掩碼 * [EventBase :: getMethod](https://www.php.net/manual/en/eventbase.getmethod.php)—返回正在使用的事件方法 * [EventBase :: getTimeOfDayCached](https://www.php.net/manual/en/eventbase.gettimeofdaycached.php)—返回當前事件的基準時間 * [EventBase :: gotExit](https://www.php.net/manual/en/eventbase.gotexit.php)—檢查是否告知事件循環退出 * [EventBase :: gotStop](https://www.php.net/manual/en/eventbase.gotstop.php)—檢查是否告知事件循環退出 * [EventBase :: loop](https://www.php.net/manual/en/eventbase.loop.php)—調度未決事件 * [EventBase :: priorityInit](https://www.php.net/manual/en/eventbase.priorityinit.php)—設置每個事件庫的優先級數量 * [EventBase :: reInit](https://www.php.net/manual/en/eventbase.reinit.php)—重新初始化事件庫（在派生之后） * [EventBase :: stop](https://www.php.net/manual/en/eventbase.stop.php)—告訴event\_base停止調度事件 * [EventBuffer](https://www.php.net/manual/en/class.eventbuffer.php)— EventBuffer類 * [EventBuffer :: add](https://www.php.net/manual/en/eventbuffer.add.php)—將數據追加到事件緩沖區的末尾 * [EventBuffer :: addBuffer](https://www.php.net/manual/en/eventbuffer.addbuffer.php)—將所有數據從提供的緩沖區移到EventBuffer的當前實例 * [EventBuffer :: appendFrom](https://www.php.net/manual/en/eventbuffer.appendfrom.php)—將指定數量的字節從源緩沖區移動到當前緩沖區的末尾 * [EventBuffer ::](https://www.php.net/manual/en/eventbuffer.construct.php)\_\_construct —構造EventBuffer對象 * [EventBuffer :: copyout](https://www.php.net/manual/en/eventbuffer.copyout.php)—從緩沖區的前面復制指定數量的字節 * [EventBuffer :: drain](https://www.php.net/manual/en/eventbuffer.drain.php)—從緩沖區的[開頭](https://www.php.net/manual/en/eventbuffer.drain.php)刪除指定數量的字節，而不將其復制到任何地方 * [EventBuffer :: enableLocking](https://www.php.net/manual/en/eventbuffer.enablelocking.php)—說明 * [EventBuffer :: expand](https://www.php.net/manual/en/eventbuffer.expand.php)—在緩沖區中保留空間 * [EventBuffer :: freeze](https://www.php.net/manual/en/eventbuffer.freeze.php)—阻止成功修改事件緩沖區的調用 * [EventBuffer :: lock](https://www.php.net/manual/en/eventbuffer.lock.php)—獲取緩沖區鎖定 * [EventBuffer :: prepend](https://www.php.net/manual/en/eventbuffer.prepend.php)—在緩沖區的前面添加數據 * [EventBuffer :: prependBuffer](https://www.php.net/manual/en/eventbuffer.prependbuffer.php)—將所有數據從源緩沖區移到當前緩沖區的前面 * [EventBuffer :: pullup](https://www.php.net/manual/en/eventbuffer.pullup.php)—線性化緩沖區中的數據并以字符串形式返回其內容 * [EventBuffer :: read](https://www.php.net/manual/en/eventbuffer.read.php)—從evbuffer讀取數據并耗盡讀取的字節 * [EventBuffer :: readFrom](https://www.php.net/manual/en/eventbuffer.readfrom.php)—從文件讀取數據到緩沖區的末尾 * [EventBuffer :: readLine](https://www.php.net/manual/en/eventbuffer.readline.php)—從緩沖區的前面提取一行 * [EventBuffer :: search](https://www.php.net/manual/en/eventbuffer.search.php)—掃描緩沖區是否出現字符串 * [EventBuffer :: searchEol](https://www.php.net/manual/en/eventbuffer.searcheol.php)—掃描緩沖區是否出現行尾 * [EventBuffer :: substr](https://www.php.net/manual/en/eventbuffer.substr.php)—[減去](https://www.php.net/manual/en/eventbuffer.substr.php)緩沖區數據的一部分 * [EventBuffer :: unfreeze](https://www.php.net/manual/en/eventbuffer.unfreeze.php)—重新啟用修改事件緩沖區的調用 * [EventBuffer :: unlock](https://www.php.net/manual/en/eventbuffer.unlock.php)—釋放由EventBuffer :: lock獲取的鎖 * [EventBuffer :: write](https://www.php.net/manual/en/eventbuffer.write.php)—將緩沖區的內容[寫入](https://www.php.net/manual/en/eventbuffer.write.php)文件或套接字 * [EventBufferEvent](https://www.php.net/manual/en/class.eventbufferevent.php)— EventBufferEvent類 * [EventBufferEvent :: close](https://www.php.net/manual/en/eventbufferevent.close.php)—關閉與當前緩沖區事件關聯的文件描述符 * [EventBufferEvent :: connect](https://www.php.net/manual/en/eventbufferevent.connect.php)—將緩沖區事件的文件描述符連接到給定地址或UNIX套接字 * [EventBufferEvent :: connectHost](https://www.php.net/manual/en/eventbufferevent.connecthost.php)—使用可選的異步DNS解析連接到主機名 * [EventBufferEvent ::](https://www.php.net/manual/en/eventbufferevent.construct.php)\_\_construct —構造EventBufferEvent對象 * [EventBufferEvent :: createPair](https://www.php.net/manual/en/eventbufferevent.createpair.php)—創建兩個相互連接的緩沖區事件 * [EventBufferEvent :: disable](https://www.php.net/manual/en/eventbufferevent.disable.php)—禁用對緩沖區事件的讀取，寫入或同時禁用事件 * [EventBufferEvent :: enable](https://www.php.net/manual/en/eventbufferevent.enable.php)—啟用對緩沖區事件的讀取，寫入或兩者兼有的事件 * [EventBufferEvent :: free](https://www.php.net/manual/en/eventbufferevent.free.php)—釋放緩沖區事件 * [EventBufferEvent :: getDnsErrorString](https://www.php.net/manual/en/eventbufferevent.getdnserrorstring.php)—返回描述上一次失敗的DNS查找嘗試的字符串 * [EventBufferEvent :: getEnabled](https://www.php.net/manual/en/eventbufferevent.getenabled.php)—返回當前在緩沖區事件上啟用的事件的位掩碼 * [EventBufferEvent :: getInput](https://www.php.net/manual/en/eventbufferevent.getinput.php)—返回與當前緩沖區事件關聯的基礎輸入緩沖區 * [EventBufferEvent :: getOutput](https://www.php.net/manual/en/eventbufferevent.getoutput.php)—返回與當前緩沖區事件關聯的基礎輸出緩沖區 * [EventBufferEvent :: read](https://www.php.net/manual/en/eventbufferevent.read.php)—讀取緩沖區的數據 * [EventBufferEvent :: readBuffer](https://www.php.net/manual/en/eventbufferevent.readbuffer.php)—[清空](https://www.php.net/manual/en/eventbufferevent.readbuffer.php)輸入緩沖區的全部內容并將其放入buf * [EventBufferEvent :: setCallbacks](https://www.php.net/manual/en/eventbufferevent.setcallbacks.php)—分配讀，寫和事件（狀態）回調 * [EventBufferEvent :: setPriority](https://www.php.net/manual/en/eventbufferevent.setpriority.php)—為[緩沖區](https://www.php.net/manual/en/eventbufferevent.setpriority.php)事件分配優先級 * [EventBufferEvent :: setTimeouts](https://www.php.net/manual/en/eventbufferevent.settimeouts.php)—設置緩沖區事件的讀寫超時 * [EventBufferEvent :: setWatermark](https://www.php.net/manual/en/eventbufferevent.setwatermark.php)—調整讀取和/或寫入水印 * [EventBufferEvent :: sslError](https://www.php.net/manual/en/eventbufferevent.sslerror.php)—返回有關緩沖區事件報告的最新OpenSSL錯誤 * [EventBufferEvent :: sslFilter](https://www.php.net/manual/en/eventbufferevent.sslfilter.php)—創建一個新的SSL緩沖區事件以通過另一個緩沖區事件發送其數據 * [EventBufferEvent :: sslGetCipherInfo](https://www.php.net/manual/en/eventbufferevent.sslgetcipherinfo.php)—返回密碼的文本描述 * [EventBufferEvent :: sslGetCipherName](https://www.php.net/manual/en/eventbufferevent.sslgetciphername.php)—返回SSL連接的當前密碼名稱 * [EventBufferEvent :: sslGetCipherVersion](https://www.php.net/manual/en/eventbufferevent.sslgetcipherversion.php)—返回當前SSL連接使用的密碼版本 * [EventBufferEvent :: sslGetProtocol](https://www.php.net/manual/en/eventbufferevent.sslgetprotocol.php)—返回用于當前SSL連接的協議的名稱 * [EventBufferEvent :: sslRenegotiate](https://www.php.net/manual/en/eventbufferevent.sslrenegotiate.php)—告訴bufferevent開始SSL重新協商 * [EventBufferEvent :: sslSocket](https://www.php.net/manual/en/eventbufferevent.sslsocket.php)—創建一個新的SSL緩沖區事件以通過套接字上的SSL發送其數據 * [EventBufferEvent :: write](https://www.php.net/manual/en/eventbufferevent.write.php)—將數據添加到緩沖區事件的輸出緩沖區 * [EventBufferEvent :: writeBuffer](https://www.php.net/manual/en/eventbufferevent.writebuffer.php)—將整個緩沖區的內容添加到緩沖區事件的輸出緩沖區 * [關于緩沖區事件回調](https://www.php.net/manual/en/eventbufferevent.about.callbacks.php) * [EventConfig](https://www.php.net/manual/en/class.eventconfig.php)— EventConfig類 * [EventConfig :: avoidMethod](https://www.php.net/manual/en/eventconfig.avoidmethod.php)—告訴libevent避免特定的事件方法 * [EventConfig :: \_\_ construct](https://www.php.net/manual/en/eventconfig.construct.php)—構造EventConfig對象 * [EventConfig :: requireFeatures](https://www.php.net/manual/en/eventconfig.requirefeatures.php)—輸入應用程序所需的必需事件方法功能 * [EventConfig :: setMaxDispatchInterval](https://www.php.net/manual/en/eventconfig.setmaxdispatchinterval.php)—防止優先級倒置 * [EventDnsBase](https://www.php.net/manual/en/class.eventdnsbase.php)— EventDnsBase類 * [EventDnsBase :: addNameserverIp](https://www.php.net/manual/en/eventdnsbase.addnameserverip.php)—將名稱服務器添加到DNS基礎 * [EventDnsBase :: addSearch](https://www.php.net/manual/en/eventdnsbase.addsearch.php)—將域添加到搜索域列表中 * [EventDnsBase :: clearSearch](https://www.php.net/manual/en/eventdnsbase.clearsearch.php)—刪除所有當前的搜索后綴 * [EventDnsBase :: \_\_ construct](https://www.php.net/manual/en/eventdnsbase.construct.php)—構造EventDnsBase對象 * [EventDnsBase :: countNameservers](https://www.php.net/manual/en/eventdnsbase.countnameservers.php)—獲取已配置名稱服務器的數量 * [EventDnsBase :: loadHosts](https://www.php.net/manual/en/eventdnsbase.loadhosts.php)—從主機文件加載主機文件（格式與/ etc / hosts相同） * [EventDnsBase :: parseResolvConf](https://www.php.net/manual/en/eventdnsbase.parseresolvconf.php)—掃描resolv.conf格式的文件 * [EventDnsBase :: setOption](https://www.php.net/manual/en/eventdnsbase.setoption.php)—設置配置選項的值 * [EventDnsBase :: setSearchNdots](https://www.php.net/manual/en/eventdnsbase.setsearchndots.php)—設置搜索的“ ndots”參數 * [EventHttp](https://www.php.net/manual/en/class.eventhttp.php)— EventHttp類 * [EventHttp :: accept](https://www.php.net/manual/en/eventhttp.accept.php)—使HTTP服務器接受指定套接字流或資源上的連接 * [EventHttp :: addServerAlias](https://www.php.net/manual/en/eventhttp.addserveralias.php)—將服務器別名添加到HTTP服務器對象 * [EventHttp :: bind](https://www.php.net/manual/en/eventhttp.bind.php)—在指定的地址和端口上綁定HTTP服務器 * [EventHttp :: \_\_ construct](https://www.php.net/manual/en/eventhttp.construct.php)—構造EventHttp對象（HTTP服務器） * [EventHttp :: removeServerAlias](https://www.php.net/manual/en/eventhttp.removeserveralias.php)—刪除服務器別名 * [EventHttp :: setAllowedMethods](https://www.php.net/manual/en/eventhttp.setallowedmethods.php)—設置此服務器接受的請求中支持的HTTP方法，并傳遞給用戶回調 * [EventHttp :: setCallback](https://www.php.net/manual/en/eventhttp.setcallback.php)—為指定的URI設置回調 * [EventHttp :: setDefaultCallback](https://www.php.net/manual/en/eventhttp.setdefaultcallback.php)—設置默認回調以處理未被特定回調捕獲的請求 * [EventHttp :: setMaxBodySize](https://www.php.net/manual/en/eventhttp.setmaxbodysize.php)—設置最大請求正文大小 * [EventHttp :: setMaxHeadersSize-](https://www.php.net/manual/en/eventhttp.setmaxheaderssize.php)設置最大HTTP標頭大小 * [EventHttp :: setTimeout](https://www.php.net/manual/en/eventhttp.settimeout.php)—設置HTTP請求的超時 * [EventHttpConnection](https://www.php.net/manual/en/class.eventhttpconnection.php)— EventHttpConnection類 * [EventHttpConnection :: \_\_ construct](https://www.php.net/manual/en/eventhttpconnection.construct.php)—構造EventHttpConnection對象 * [EventHttpConnection :: getBase](https://www.php.net/manual/en/eventhttpconnection.getbase.php)—返回與連接關聯的事件庫 * [EventHttpConnection :: getPeer](https://www.php.net/manual/en/eventhttpconnection.getpeer.php)—獲取與連接關聯的遠程地址和端口 * [EventHttpConnection :: makeRequest](https://www.php.net/manual/en/eventhttpconnection.makerequest.php)—通過指定的連接發出HTTP請求 * [EventHttpConnection :: setCloseCallback](https://www.php.net/manual/en/eventhttpconnection.setclosecallback.php)—設置關閉連接的回調 * [EventHttpConnection :: setLocalAddress](https://www.php.net/manual/en/eventhttpconnection.setlocaladdress.php)—設置用于建立HTTP連接的IP地址 * [EventHttpConnection :: setLocalPort](https://www.php.net/manual/en/eventhttpconnection.setlocalport.php)—設置用于建立連接的本地端口 * [EventHttpConnection :: setMaxBodySize](https://www.php.net/manual/en/eventhttpconnection.setmaxbodysize.php)—設置連接的最大正文大小 * [EventHttpConnection :: setMaxHeadersSize-](https://www.php.net/manual/en/eventhttpconnection.setmaxheaderssize.php)設置最大標頭大小 * [EventHttpConnection :: setRetries](https://www.php.net/manual/en/eventhttpconnection.setretries.php)—設置連接的重試限制 * [EventHttpConnection :: setTimeout](https://www.php.net/manual/en/eventhttpconnection.settimeout.php)—設置連接超時 * [EventHttpRequest](https://www.php.net/manual/en/class.eventhttprequest.php)— EventHttpRequest類 * [EventHttpRequest :: addHeader](https://www.php.net/manual/en/eventhttprequest.addheader.php)—將HTTP標頭添加到請求的標頭中 * [EventHttpRequest :: cancel](https://www.php.net/manual/en/eventhttprequest.cancel.php)—取消掛起的HTTP請求 * [EventHttpRequest :: clearHeaders](https://www.php.net/manual/en/eventhttprequest.clearheaders.php)—從請求的標頭列表中刪除所有輸出標頭 * [EventHttpRequest :: closeConnection](https://www.php.net/manual/en/eventhttprequest.closeconnection.php)—關閉關聯的HTTP連接 * [EventHttpRequest :: \_\_ construct](https://www.php.net/manual/en/eventhttprequest.construct.php)—構造EventHttpRequest對象 * [EventHttpRequest :: findHeader](https://www.php.net/manual/en/eventhttprequest.findheader.php)—查找屬于標頭的值 * [EventHttpRequest :: free](https://www.php.net/manual/en/eventhttprequest.free.php)—釋放對象并刪除關聯的事件 * [EventHttpRequest :: getBufferEvent](https://www.php.net/manual/en/eventhttprequest.getbufferevent.php)—返回EventBufferEvent對象 * [EventHttpRequest :: getCommand](https://www.php.net/manual/en/eventhttprequest.getcommand.php)—返回請求命令（方法） * [EventHttpRequest :: getConnection](https://www.php.net/manual/en/eventhttprequest.getconnection.php)—返回EventHttpConnection對象 * [EventHttpRequest :: getHost](https://www.php.net/manual/en/eventhttprequest.gethost.php)—返回請求主機 * [EventHttpRequest :: getInputBuffer](https://www.php.net/manual/en/eventhttprequest.getinputbuffer.php)—返回輸入緩沖區 * [EventHttpRequest :: getInputHeaders](https://www.php.net/manual/en/eventhttprequest.getinputheaders.php)—返回輸入標題的關聯數組 * [EventHttpRequest :: getOutputBuffer](https://www.php.net/manual/en/eventhttprequest.getoutputbuffer.php)—返回請求的輸出緩沖區 * [EventHttpRequest :: getOutputHeaders](https://www.php.net/manual/en/eventhttprequest.getoutputheaders.php)—返回輸出標頭的關聯數組 * [EventHttpRequest :: getResponseCode](https://www.php.net/manual/en/eventhttprequest.getresponsecode.php)—返回響應代碼 * [EventHttpRequest :: getUri](https://www.php.net/manual/en/eventhttprequest.geturi.php)—返回請求URI * [EventHttpRequest :: removeHeader](https://www.php.net/manual/en/eventhttprequest.removeheader.php)—從請求的標頭中刪除HTTP標頭 * [EventHttpRequest :: sendError](https://www.php.net/manual/en/eventhttprequest.senderror.php)—將HTML錯誤消息發送到客戶端 * [EventHttpRequest :: sendReply-](https://www.php.net/manual/en/eventhttprequest.sendreply.php)向客戶端發送HTML回復 * [EventHttpRequest :: sendReplyChunk-](https://www.php.net/manual/en/eventhttprequest.sendreplychunk.php)發送另一個數據塊作為正在進行的分塊答復的一部分 * [EventHttpRequest :: sendReplyEnd](https://www.php.net/manual/en/eventhttprequest.sendreplyend.php)—完成分塊答復，并根據需要釋放請求 * [EventHttpRequest :: sendReplyStart](https://www.php.net/manual/en/eventhttprequest.sendreplystart.php)—啟動分塊答復 * [EventListener](https://www.php.net/manual/en/class.eventlistener.php)— EventListener類 * [EventListener :: \_\_ construct](https://www.php.net/manual/en/eventlistener.construct.php)—創建與事件庫關聯的新連接偵聽器 * [EventListener :: disable](https://www.php.net/manual/en/eventlistener.disable.php)—禁用事件連接偵聽器對象 * [EventListener :: enable](https://www.php.net/manual/en/eventlistener.enable.php)—啟用事件連接偵聽器對象 * [EventListener :: getBase](https://www.php.net/manual/en/eventlistener.getbase.php)—返回與事件偵聽器關聯的事件庫 * [EventListener :: getSocketName](https://www.php.net/manual/en/eventlistener.getsocketname.php)—獲取偵聽器的套接字綁定到的當前地址 * [EventListener :: setCallback](https://www.php.net/manual/en/eventlistener.setcallback.php)— setCallback的用途 * [EventListener :: setErrorCallback](https://www.php.net/manual/en/eventlistener.seterrorcallback.php)—設置事件偵聽器的錯誤回調 * [EventSslContext](https://www.php.net/manual/en/class.eventsslcontext.php)— EventSslContext類 * [EventSslContext :: \_\_ construct](https://www.php.net/manual/en/eventsslcontext.construct.php)—構造用于事件類的OpenSSL上下文 * [EventUtil](https://www.php.net/manual/en/class.eventutil.php)— EventUtil類 * [EventUtil :: \_\_construct](https://www.php.net/manual/en/eventutil.construct.php)—抽象構造函數 * [EventUtil :: getLastSocketErrno](https://www.php.net/manual/en/eventutil.getlastsocketerrno.php)—返回最新的套接字錯誤號 * [EventUtil :: getLastSocketError](https://www.php.net/manual/en/eventutil.getlastsocketerror.php)—返回最新的套接字錯誤 * [EventUtil :: getSocketFd](https://www.php.net/manual/en/eventutil.getsocketfd.php)—返回套接字或流的數字文件描述符 * [EventUtil :: getSocketName](https://www.php.net/manual/en/eventutil.getsocketname.php)—獲取套接字綁定到的當前地址 * [EventUtil :: setSocketOption](https://www.php.net/manual/en/eventutil.setsocketoption.php)—設置套接字選項 * [EventUtil :: sslRandPoll](https://www.php.net/manual/en/eventutil.sslrandpoll.php)—通過OpenSSL的RAND\_poll（）生成熵