ob_start() buffers output, but also let's it pass

[skl99999]

Hello, I am an absolute PHP newbie, and I have something which is probably a very stupid question. Nevertheless, I am stuck, despite Google and reading the docs.

 

Here a very cut down example code:

<?php
ob_start();
echo "123\n";
$body = ob_get_flush();
echo "body = ".$body;
?>

I would have expected the output to be

body = 123

It actually is

123

body=123

ie ob_start does indeed buffer the output, but it does not prevent if from getting through.

This happens both on my Mac with 5.3.10, and on my server where I dont know the PHP version (...newbie...)

 

Any help would be appreciated!

 

[trq]

While ob_get_flsuh returns the contents of the buffer, it also flushes (sends it). If you want to retrieve it without it being sent use ob_get_contents.