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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::fread 協程方式讀取文件。 ~~~ function Coroutine::fread(resource $handle, int $length = 0); ~~~ <br> ## 參數 * `$handle`文件句柄,必須是`fopen`打開的文件類型`stream`資源 * `$length`讀取的長度,默認為`0`,表示讀取文件的全部內容 <br> ## 返回值 讀取成功返回字符串內容,讀取失敗返回`false` <br> ## 示例 ~~~ use Swoole\Coroutine as co; $fp = fopen(__DIR__ . "/defer_client.php", "r"); co::create(function () use ($fp) { fseek($fp, 256); $r = co::fread($fp); var_dump($r); }); ~~~
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                              哎呀哎呀视频在线观看