stream_copy_to_stream
(PHP 5, PHP 7, PHP 8)
stream_copy_to_stream — Copies data from one stream to another
Description
stream_copy_to_stream(
resource $from,
resource $to,
?int $length = null,
int $offset = 0
): int|falseMakes 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.
Parameters
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
Return Values
Returns the total count of bytes copied, or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | length is now nullable. |
Examples
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";
?>See Also
- copy() - Copies file
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.stream-copy-to-stream.php