Implementation method of php nginx real-time output

This article explains how to implement php nginx real-time output.

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

But it doesn’t work in most cases,

Because most of the output_buffering output buffering in the php.ini configuration It is turned on.

Also zlib.output_compression is often turned on.

In addition to the PHP layer, Nginx's buffer setting proxy_buffering and compression gzip are also mostly turned on. .

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').'
'; 
sleep(5); 
echo '五秒后：'.date('H:i:s');

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