ob_get_clean

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

ob_get_clean — Get the contents of the active output buffer and turn it off

Descrizione

ob_get_clean(): string|false

This function calls the output handler (with the PHP_OUTPUT_HANDLER_CLEAN and PHP_OUTPUT_HANDLER_FINAL flags), discards it's return value, returns the contents of the active output buffer and turns off the active output buffer.

ob_get_clean() will fail without an active output buffer started with the PHP_OUTPUT_HANDLER_REMOVABLE flag.

ob_get_clean() will discard the contents of the active output buffer even if it was started without the PHP_OUTPUT_HANDLER_CLEANABLE flag.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Returns the contents of the active output buffer on success or false on failure.

Attenzione

ob_get_clean() will return false but will not generate an E_NOTICE if there is no active output buffer.

Errori/Eccezioni

If the function fails it generates an E_NOTICE.

Esempi

Example #1 A simple ob_get_clean() example

<?php

ob_start();

echo "Hello World";

$out = ob_get_clean();
$out = strtolower($out);

var_dump($out);
?>

Il precedente esempio visualizzerà:

string(11) "hello world"

Vedere anche:

ob_start() - Turn on output buffering
ob_get_contents() - Return the contents of the output buffer
ob_clean() - Clean (erase) the contents of the active output buffer
ob_end_clean() - Clean (erase) the contents of the active output buffer and turn it off
ob_get_flush() - Flush (send) the return value of the active output handler, return the contents of the active output buffer and turn it off