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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## Coroutine::getBackTrace 獲取協程函數調用棧。 ~~~ function Coroutine::getBackTrace(int $cid=0, int $options=DEBUG_BACKTRACE_PROVIDE_OBJECT, int $limit=0) : array; ~~~ > 需要`4.1.0`或更高版本 <br> ## 參數 * `$cid`協程的`ID`,默認為當前協程 * `$options`設置選項 * `DEBUG_BACKTRACE_PROVIDE_OBJECT`: 是否填充`object`的索引 * `DEBUG_BACKTRACE_IGNORE_ARGS`: 是否忽略`args`的索引,包括所有的`function/method`的參數,能夠節省內存開銷 * `$limit`限制返回堆棧幀的數量 <br> ## 返回值 * 指定的協程不存在,將返回`false` * 成功返回數組,格式與[debug\_backtrace](http://php.net/manual/zh/function.debug-backtrace.php)函數返回值相同 <br> ## 使用實例 ~~~ function test1() { test2(); } function test2() { while(true) { co::sleep(10); echo __FUNCTION__." \n"; } } $cid = go(function () { test1(); }); go(function () use ($cid) { while(true) { echo "BackTrace[$cid]:\n-----------------------------------------------\n"; //返回數組,需要自行格式化輸出 var_dump(co::getBackTrace($cid))."\n"; co::sleep(3); } }); ~~~
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                              哎呀哎呀视频在线观看