LXXVII_ Output Control Functions
The Output Control functions allow you to control when output is
sent from the script_ This can be useful in several different
situations, especially if you need to send headers to the browser
after your script has began outputing data_ The Output Control
functions do not affect headers sent using
header() or setcookie(),
only functions such as echo() and data between
blocks of PHP code_
Ejemplo 1_ Output Control example <?php
ob_start();
echo "Hello\n";
setcookie ("cookiename", "cookiedata");
ob_end_flush();
?> |
|
In the above example, the output from echo()
would be stored in the output buffer until
ob_end_flush() was called_ In the mean time,
the call to setcookie() successfully stored a
cookie without causing an error_ (You can not normally send
headers to the browser after data has already been sent_)
See also header() and
setcookie()_
- Tabla de contenidos
- flush __ Flush the output buffer
- ob_clean __
Clean (erase) the output buffer
- ob_end_clean __
Clean (erase) the output buffer and turn off output buffering
- ob_end_flush __
Flush (send) the output buffer and turn off output buffering
- ob_flush __
Flush (send) the output buffer
- ob_get_clean __
Get current buffer contents and delete current output buffer
- ob_get_contents __
Return the contents of the output buffer
- ob_get_length __
Return the length of the output buffer
- ob_get_level __
Return the nesting level of the output buffering mechanism
- ob_get_status __
Get status of output buffers
- ob_gzhandler __
ob_start callback function to gzip output buffer
- ob_implicit_flush __
Turn implicit flush on/off
- ob_start __ Turn on output buffering
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