PHP Flush/ob_flush无法正常工作 [英] PHP Flush/ob_flush not working

问题描述

我尝试了几次尝试以使我的冲洗和ob_flush正常工作.我尝试将ini设置为允许缓冲，我尝试使用在网上发现的几种不同功能进行输出缓冲，但这些功能都没有起作用.该脚本要等到它完全完成后才回显输出.这是我到目前为止的脚本

I've tried several attempts at getting my flush and ob_flush to work. I've tried setting the ini to allow buffering, I've tried using several different functions I found online for output buffering, and none of it at all is working. The script wants to wait until it is completly done until it echos output. Here is the script I have so far

 ob_start();

 //Login User
 echo 'Logging in to user<br>';
       ob_flush();
       flush();
      $ch = curl_init("http://www.mysite.com/login/");
      curl_setopt($ch, CURLOPT_HEADER, 0);
      curl_setopt($ch, CURLOPT_POST, 1);
      curl_setopt($ch, CURLOPT_POSTFIELDS, "username=$user&pass=$pass");
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
      curl_setopt($ch, CURLOPT_COOKIEJAR, "cookies/$cookie");
      curl_setopt($ch, CURLOPT_COOKIEFILE, "cookies/$cookie");
      $output = curl_exec($ch);
      curl_close($ch);
      ob_flush();
      flush();

       //Update Status
 echo 'Updating Status<br>';
       ob_flush();
       flush();
      $ch = curl_init("http://www.mysite.com/update/");
      curl_setopt($ch, CURLOPT_HEADER, 0);
      curl_setopt($ch, CURLOPT_POST, 1);
      curl_setopt($ch, CURLOPT_POSTFIELDS, "status=$status");
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
      curl_setopt($ch, CURLOPT_COOKIEJAR, "cookies/$cookie");
      curl_setopt($ch, CURLOPT_COOKIEFILE, "cookies/$cookie");
      $output = curl_exec($ch);
      curl_close($ch);
      ob_flush();
      flush();

我希望它回显正在执行的操作，然后运行该功能，然后回显其他内容，然后执行另一个功能.我希望所有缓冲区在浏览器中实时刷新并回显.

I want it to echo what it is doing, then run the function, then echo something else, then do another function. I want all the buffers to be flushed and echoed in real time on the browser.

推荐答案

此处的想法是禁用输出缓冲，而不是启用它.顾名思义，输出缓冲会将输出保存到内存中，并在脚本末尾或明确要求时显示出来.

The idea here is to disable output buffering, not enable it. As its name says, output buffering will save the output to memory and display it at the end of the script, or when explicitly asked for it.

话虽如此，您不必为每个输出显式刷新.在显示任何输出之前，使用以下命令，然后您不必在每次回声时都烦恼刷新:

That being said, you don't have to flush explicitly for every output. Use the following, before displaying any output, and then you won't have to bother flushing every time you echo something:

ob_implicit_flush(true);
ob_end_flush();

每个示例:

ob_implicit_flush(true);
ob_end_flush();

for ($i=0; $i<5; $i++) {
   echo $i.'<br>';
   sleep(1);
}

将输出0到4，每秒钟显示一次.

Will output, 0 to 4, with each being displayed every second.

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