Analysis of ob_flush function and flush function usage in PHP, ob_flushflush_PHP tutorial

Analysis of usage of ob_flush function and flush function in php, ob_flushflush

This article analyzes the usage of ob_flush function and flush function in php with examples. Share it with everyone for your reference. The details are as follows:

ob_flush() function: Take out the data in PHP buffering and put it into server buffering

flush() function: Take out the data from Server buffering and put it into browser buffering

Example code:

<&#63;php 
  echo str_repeat('m0sh1' ,1000);   
  for($i=0;$i<4;$i++) { 
    echo $i.'<br />'; 
    ob_flush(); 
    flush(); 
    sleep(1); 
  } 
&#63;> 
<&#63;php 
//header("content-type:text/html;charset='utf-8'"); 
//提示错误Cannot modify header information - headers already sent by 
&#63;>

Perform Discovery

The output result of this code is output line by line,

Note: The correct order to use the two is. First ob_flush, then flush

I hope this article will be helpful to everyone’s PHP programming design.

http://www.bkjia.com/PHPjc/969496.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/969496.htmlTechArticleAnalysis of ob_flush function and flush function usage in php, ob_flushflush This article analyzes the ob_flush function and flush function usage in php with examples. Share it with everyone for your reference. The details are as follows: ob_f...