Buffered output example code in php_PHP tutorial

ob_start ([string output_callback]) - Open the output buffer
All output information is no longer sent directly to the browser, but is saved in the output buffer. An optional callback function is used to process the output result information.
ob_end_flush - End (send) the contents of the output buffer, close the output buffer

*/

ob_start();      //Open the buffer
echo "hello world" ;                                            out); //Output result

//

if(!function_exists('ob_clean')) //Determine whether the function is defined

{

function ob_clean() / /Define function

{
if(@ob_end_clean())
{
return ob_start();
}
trigger_error("ob_clean() failed to delete buffer.no buffer to delete.",e_user_notice);
return false;
}
}

//

header('content-type: multipart/x-mixed -replace;boundary=endofsection'); //Send header

print "n--endofsectionn"; //Output content

$pmt=array("-","","|","/ ");                                            

                                                           print "content-type: text/plainnn"; //Output content
print "part $it".$pmt[$i % 4]; //Output content
print "--endofsectionn"; Output content
ob_flush(); //Send buffer data
flush(); //Refresh the output buffer
}
print "content-type: text/plainnn"; //Output content
print "the endn"; //Output content
print "--endofsection--n";



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TechArticleob_start([string output_callback]) - Open the output buffer. All output information is not sent directly to the browser, but It is saved in the output buffer, and the optional callback function is used to process...