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<?php
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/*
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QBPWCF, Quick Build PHP website Component base on Fedora Linux.
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Copyright (C) 2014~2026 MIN ZHI, CHEN
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This file is part of QBPWCF.
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QBPWCF is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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QBPWCF is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QBPWCF. If not, see <http://www.gnu.org/licenses/>.
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*/
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#使用命名空間qbpwcf
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namespace qbpwcf;
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#assets dir
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$assetsDir="assets_of_threads::proc_streams_select_20260718";
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#要執行的php程式內容
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$cmdString1=<<<'PHP'
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#迴圈
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for($i=10;$i>0;$i--){
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#提示還要跑幾秒
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echo "Program end in ".$i." sec(s)";
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#sleep 1 sec
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sleep(1);
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}#for end
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PHP;
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#要執行的php程式內容
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$cmdString2=<<<'PHP'
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#迴圈
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for($i=1;$i<=10;$i++){
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#sleep 1 sec
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sleep(1);
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#提示還要跑幾秒
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echo "Program end when count to 10(".$i.")";
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}#for end
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PHP;
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#函式說明:
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#透過proc來多執行序運作.
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#回傳結果:
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#$result["status"],執行是否正常,"true"代表正常,"false"代表不正常.
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#$reuslt["error"],執行不正常結束的錯訊息陣列.
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#$result["function"],當前執行的函式名稱.
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#$result["argu"],使用的參數.
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#$result["content"],陣列,每個元素為其指令執行的結果訊息陣列,key為"status"代表執行是否正常的識別;key為"statusCode"代表程式結束後回傳給對應executeBy程式的數值,若為"?"則代表程序尚未結束,若為整數0,則代表順利執行結束,可透過proc_update函式進行資訊的更新與取得;key為"content"代表標準輸出,若為resource,則代表為pipe;key為"error"代表非標準輸出,若為resource,則代表為pipe;key為"input"代表成功輸入的指令;key為"process"代表該程序經proc_open後的process source;key為"proc_get_status"代表程序的資訊.
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#必填參數:
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#$conf["cmds"],字串陣列,每個元素代表單一程序要執行的指令與參數.
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$conf["cmds"]=array("php -r ".escapeshellarg($cmdString1),"php -r ".escapeshellarg($cmdString2));
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#可省略參數:
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#$conf["wait"],字串,是否需要等待所有程序結束,預設為"true"要等待;反之為"false"不要等待.
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$conf["wait"]="false";
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#$conf["timeout"],字串陣列,每個元素代表單一程序執行的最大等待秒數,超過後將會強迫停止執行,僅當wait參數為"true"時生效.
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#$conf["timeout"]=array("10");
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#$conf["workingDir"],字串陣列,個別程式執行時的家目錄,預設不指定.
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#$conf["workingDir"]=array("path");
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#$conf["envs"],2維字串陣列,每個元素代表個別程式執行時的指定環境變數,key變數名稱;value為變數內容.預設為array("QBPWCF" => "Quick Build PHP Website Componment base on Fedora Linux");
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#$conf["envs"]=array(array("key"=>"value"));
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#$conf["executeBy"],字串陣列,每個元素代表個別指令要用什麼程式執行,預設為"bash".
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#$conf["executeBy"]=array("bash");
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#參考資料:
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#https://www.php.net/manual/en/function.proc-open.php
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#https://www.php.net/manual/en/function.proc-get-status.php
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#https://www.php.net/manual/en/function.proc-terminate.php
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#備註:
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#當wait參數為"true"時,會自動解析stdout與stderr,因此不用再透過 self::proc_update 來更新.
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#當wait參數不為"true"時,若需要取得當下的執行狀況,請使用 self::proc_update 來更新.
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$proc=threads::proc($conf);
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unset($conf);
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#如果執行異常
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if($proc["status"]==="false"){
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#debug
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var_dump($proc);
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#結束執行回傳1
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exit(1);
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}#if end
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#無窮迴圈
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while(true){
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#函式說明:
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#類似stream_select的替代方案, 用來檢查透過proc運行的多執行序其標準輸出、錯誤輸出是否有訊息,程序是否已經結束.
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#回傳結果:
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#$result["status"],執行是否正常,"true"代表正常,"false"代表不正常.
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#$reuslt["error"],執行不正常結束的錯訊息陣列.
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#$result["function"],當前執行的函式名稱.
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#$result["argu"],使用的參數.
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#$result["content"],陣列,運行中的程序,可作為下次呼叫本函式的procs參數.
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#$result["streams"],陣列,元素為對應channelName索引的輸出.
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#$result["allStreamsClosed"],字串,"true"代表streams參數的通道已經全部關閉;反之為"false".
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#$result["gotMsg"],字串,"true"代表有訊息輸出;反之為"false".
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#必填參數:
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#$conf["procs"],陣列,threads::proc回傳的content.
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$conf["procs"]=$proc["content"];
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#可省略參數:
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#$conf["channelName"],陣列,每個元素為兩個元素的陣列,第一個元素為對應procs元素的標準輸出的stream/channel名稱,預設為std_$index,第二個元素為對應procs元素的錯誤輸出,預設為err_$index,$index為從0開始的整數.
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#$conf["channelName"]=array();
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#$conf["periodToWait"],整數,要等待多少秒來嘗試取得訊息,預設為1秒鐘.
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#$conf["periodToWait"]=1;
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#參考資料:
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#https://www.php.net/manual/en/function.proc-open.php
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#https://www.php.net/manual/en/function.proc-get-status.php
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#https://www.php.net/manual/en/function.proc-terminate.php
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#備註:
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#無.
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$proc_streams_select=threads::proc_streams_select($conf);
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unset($conf);
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#如果執行異常
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if($proc_streams_select["status"]==="false"){
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#debug
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var_dump($proc_streams_select);
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#結束並回傳shell 1
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exit(1);
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}#if end
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#如果有訊息
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if($proc_streams_select["gotMsg"]==="true"){
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#針對有輸出的通道
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foreach($proc_streams_select["streams"] as $channel => $msg){
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#debug
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#var_dump(__LINE__,$msg);
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#輸出 channel 名稱與其訊息
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echo $channel." > ".$msg.PHP_EOL;
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}#foreach end
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}#if end
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#如果執行的程序都結束了
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if($proc_streams_select["allStreamsClosed"]==="true"){
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#提示結束運行了
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echo "exit".PHP_EOL;
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#正常結束運行
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exit;
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}#if end
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#取得尚在運行中的程序
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$proc["content"]=$proc_streams_select["content"];
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}#while end
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