[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|false
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
8.0.0 | length is now nullable.
|
Examples
Example #1 A stream_copy_to_stream[] example
divinity76 at gmail dot com ¶
3 years ago
note that this function does not actually use sendfile[] on linux systems [at least not in PHP 7.2.12]
none at noone dot com ¶
15 years ago
stream_copy_to_stream almost copies a stream...
$objInputStream = fopen["php://input", "rb"];
$objTempStream = fopen["php://temp", "w+b"];
stream_copy_to_stream[$objInputStream, $objTempStream];
That code will copy a stream but it will also move the stream pointers to EOF. This is fine if you plan on rewinding the temp stream but good luck rewinding the input stream.
rewind[$objTempStream];
rewind[$objInputStream];
So as you can see this is stream copy or stream move depending on what kind of stream you are working with, and because there are no peaking functions your effed if you need to read from an input stream in multiple classes that are unrelated.
felix dot nensa at gmail dot com ¶
12 years ago
As stream_copy_to_stream[] seems to be quite a memory hog [at least in PHP 5.1.6 64-bit] it may be way more efficient just to copy streams with this simple PHP alternative:
[PHP 5, PHP 7, PHP 8]
stream_copy_to_stream — Copie des données depuis un flux vers un autre
Description
stream_copy_to_stream[
resource $from
,
resource $to
,
?int
$length
= null
,
int $offset
= 0
]: int|false
Liste de paramètres
from
Le flux de source
to
Le flux de destination
length
Nombre maximal d'octets à copier. Par défaut, tous les octets restants sont copiés.
offset
L'offset où démarrer la copie de données
Valeurs de retour
Retourne le nombre total d'octets copiés, ou false
si une erreur survient.
Historique
8.0.0 | length est désormais nullable.
|
Exemples
Exemple #1 Exemple avec stream_copy_to_stream[]
Voir aussi
- copy[] - Copie un fichier
divinity76 at gmail dot com ¶
3 years ago
note that this function does not actually use sendfile[] on linux systems [at least not in PHP 7.2.12]
none at noone dot com ¶
15 years ago
stream_copy_to_stream almost copies a stream...
$objInputStream = fopen["php://input", "rb"];
$objTempStream = fopen["php://temp", "w+b"];
stream_copy_to_stream[$objInputStream, $objTempStream];
That code will copy a stream but it will also move the stream pointers to EOF. This is fine if you plan on rewinding the temp stream but good luck rewinding the input stream.
rewind[$objTempStream];
rewind[$objInputStream];
So as you can see this is stream copy or stream move depending on what kind of stream you are working with, and because there are no peaking functions your effed if you need to read from an input stream in multiple classes that are unrelated.
felix dot nensa at gmail dot com ¶
12 years ago
As stream_copy_to_stream[] seems to be quite a memory hog [at least in PHP 5.1.6 64-bit] it may be way more efficient just to copy streams with this simple PHP alternative: