stream_copy_to_stream
(PHP 5, PHP 7, PHP 8)
stream_copy_to_stream — Copies data from one stream to another
Beschreibung
stream_copy_to_stream(
resource
resource
?int
int
): int|false
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.
Parameter-Liste
-
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
Rückgabewerte
Returns the total count of bytes copied,Bei einem Fehler wird false zurückgegeben..
Changelog
| Version | Beschreibung |
|---|---|
| 8.0.0 |
length is now nullable.
|
Beispiele
Beispiel #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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