stream_copy_to_stream

(PHP 5, PHP 7, PHP 8)

stream_copy_to_streamCopies data from one stream to another

Опис

stream_copy_to_stream(
    resource $from,
    resource $to,
    ?int $length = null,
    int $offset = 0
): int|false

Makes a copy of up to length bytes of data from the current position (or from the offset position, if specified) in from to to. If length is null, all remaining content in from will be copied.

Параметри

from

The source stream

to

The destination stream

length

Maximum bytes to copy. By default all bytes left are copied.

offset

The offset where to start to copy data

Значення, що повертаються

Returns the total count of bytes copied, або false в разі помилки.

Журнал змін

Версія Опис
8.0.0 length is now nullable.

Приклади

Приклад #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";

?>

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