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# ob_end_clean

(PHP 4 , PHP 5)

ob_end_clean -- Clean (erase) the output buffer and turn off output buffering

## Description

bool ob_end_clean ( void )

This function discards the contents of the topmost output buffer and turns off this output buffering. If you want to further process the buffer's contents you have to call ob_get_contents() before ob_end_clean() as the buffer contents are discarded when ob_end_flush() is called. The function returns `TRUE` when it successfully discarded one buffer and `FALSE` otherwise. Reasons for failure are first that you called the function without an active buffer or that for some reason a buffer could not be deleted (possible for special buffer).

The following example shows an easy way to get rid of all output buffers:

示範 1.ob_end_clean() example
`<?php while (@ob_end_clean()); ?>`

> 備注: If the function fails it generates an E_NOTICE.

> The boolean return value was added in PHP 4.2.0.

See also ob_start(), ob_get_contents(), and ob_flush().

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