Hi,
I've tested your code on PHP 4.3.3 and I have the same behavior has yours.
"Hello" is output at the end of the PhpInfo data, followed by a PHP notice :
Notice: ob_end_clean(): failed to delete buffer. No buffer to delete. in ...
And there is an empty "logfile" file created in the Apache directory insteaf of the script's directory.
If you change in your script:
***********
register_shutdown_function("hello");
echo ("HELLO <br>");
die();
***********
by
***********
// register_shutdown_function("hello");
echo ("HELLO <br>");
hello()
die();
***********
then it runs as expected and the "logfile" file is created in the script's directory.
It seems that when calling the shutdown function, all the buffered output is immedialty sent to the client and the buffer mode is closed.
You maybe have PHP bug here, or the manual is wrong about the possibility to retrieve the contents.
But we can notice that this also happens at the end of a script when there is no shutdown function.
------------------- Skrol29 www.tinybutstrong.com -------------------
"Prathaban Mookiah" <prathap@xxxxxxxxxxxx> a Ãcrit dans le message de news: 20050409115752.M4371@xxxxxxxxxxxxxxx
Hello,
I've posted a miniature version of my code here to explain my problem.
<CODE>
<? phpinfo();
ob_start();
register_shutdown_function("hello");
echo ("HELLO");
die();
function hello() {
$logfile = "logfile";
$error_string = ob_get_contents();
if(!$handle = fopen($logfile, "a")) { echo("Could not open logfile for writing!"); ob_end_flush(); exit; }
if(fwrite($handle, $error_string) === FALSE) { echo("Could not write to logfile!"); ob_end_flush(); exit; }
fclose($handle);
ob_end_clean();
}
?>
</CODE>
This simply does not work the way it should. i.e ob_get_contents doen't return
any string and the buffer just gets flushed by itself at termination.
Though the PHP manual says it is not possible to retrieve the contents of any
output buffers using ob_get_contents() with PHP < 4.0.6. But I am using PHP 5.
x.x
Thanks in advance for any help.
Prathap
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