Output Control

Коментарии

The manual is a little shy on explaining that output buffers are nested, and that "turns off output buffering" means turning off the highest nested buffer.  See ob_get_level (for a useful function, but still no explanation)

<?php
    ob_start
();
    echo 
"1:blah\n";
   
ob_start();
    echo 
"2:blah";
   
// ob_get_clean() returns the contents of the last buffer opened.  The first "blah" and the output of var_dump are flushed from the top buffer on exit
   
var_dump(ob_get_clean());
    exit;
?>

puts:
    1:blah
    string(6) "2:blah"

Prior to realising this, I had thought PHP's ob functionality left more to be desired.  I *really* wish I knew earlier.
2009-04-11 14:33:21
http://php5.kiev.ua/manual/ru/book.outcontrol.html

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