PHP Handbuch
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# php_stream_flush

php_stream_flush -- Flush stream buffers to storage

## Description

int php_stream_flush ( php_stream * stream )

php_stream_flush() causes any data held in write buffers in `stream` to be committed to the underlying storage.

php_stream_flush() returns 0 if the buffers were flushed, or if the buffers did not need to be flushed, but returns `EOF` to indicate an error.

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