PHP nginx real-time output example explanation

This article mainly shares with you the explanation of php nginx real-time output examples, hoping to help everyone.

The method to enable real-time output in PHP is ob_implicit_flush(),

but it doesn’t work in most cases,

becausephp .iniIn the configurationoutput_bufferingmost of the output buffering is Onenabled,
and zlib.output_compressionis also often enabled,

In addition to the PHP layer, there are also Nginx buffering settings proxy_buffering, and compression gzip are also mostly enabled.
I am afraid no one will make this choice to modify the website configuration of the entire server to meet the needs of one or two pages.

Here is a simple method recommended:

set_time_limit(0);
ob_end_clean();
ob_implicit_flush();

header('X-Accel-Buffering: no'); // 关键是加了这一行。

echo '现在是：'.date('H:i:s').'<br>';
sleep(5);
echo '五秒后：'.date('H:i:s');

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