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# stream_copy_to_stream

(PHP 5)

stream_copy_to_stream -- Copies data from one stream to another

## Beskrivelse

int stream_copy_to_stream ( resource source, resource dest [, int maxlength [, int offset]] )

Makes a copy of up to maxlength bytes of data from the current position (or from the offset position, if specified) in source to dest. If maxlength is not specified, all remaining content in source will be copied.

## Parameterliste

source

  The source stream

dest

  The destination stream

maxlength

  Maximum bytes to copy

offset

  The offset where to start to copy data

## Returneringsværdier

Returns the total count of bytes copied.

## ChangeLog

Version | Beskrivelse
--- | ---
5.1.0 | Added the offset parameter

## Eksempler

Eksempel 1. A stream_copy_to_stream() example

`<?php $src = fopen('http://www.example.com', 'r'); $dest1 = fopen('first1k.txt', 'w'); $dest2 = fopen('remainder.txt', 'w'); echo stream_copy_to_stream($src, $dest1, 1024) . " bytes copied to first1k.txt\n"; echo stream_copy_to_stream($src, $dest2) . " bytes copied to remainder.txt\n"; ?>`

## Se også

copy()

forrige | hjem | næste
stream_context_set_params | op | stream_filter_append