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# ob_end_flush

(PHP 4, PHP 5)

ob_end_flush -- Flush (send) the output buffer and turn off output buffering

## Description

bool ob_end_flush ( void )

This function will send the contents of the topmost output buffer (if any) and turn this output buffer off. If you want to further process the buffer's contents you have to call ob_get_contents() before ob_end_flush() as the buffer contents are discarded after 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).

> 注: This function is similar to ob_get_flush(), except that ob_get_flush() returns the buffer as a string.

The following example shows an easy way to flush and end all output buffers:

例子 1. ob_end_flush() example

`<?php while (@ob_end_flush()); ?>`

> 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(), ob_get_flush(), ob_flush() and ob_end_clean().

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