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# stream_copy_to_stream

(PHP 5)

stream_copy_to_stream -- Copies data from one stream to another

## Descrição

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.

## Parâmetros

`source`

  The source stream

`dest`

  The destination stream

`maxlength`

  Maximum bytes to copy

`offset`

  The offset where to start to copy data

## Valores de retornado

Returns the total count of bytes copied.

## Histórico

Versão | Descrição
--- | ---
5.1.0 | Added the `offset` parameter

## Exemplos

Exemplo 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"; ?>`

## Veja também

copy()

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