PHP5中文手册·Copies data from one stream to another -- 追寻梦想＞编程乐园＞PHP 编程

说明

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.

参数

source: The source stream
dest: The destination stream
maxlength: Maximum bytes to copy
offset: The offset where to start to copy data

返回值

Returns the total count of bytes copied.

更新日志

版本	说明
5.1.0	Added the `offset` parameter

范例

Example#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";

?>

参见

copy()