stream_supports_lockstream_wrapper_register
(PHP 4 >= 4.3.2, PHP 5)
stream_wrapper_register — Register a URL wrapper implemented as a PHP class
Opis
bool stream_wrapper_register
( string
$protocol
, string $classname
[, int $flags = 0
] )Allows you to implement your own protocol handlers and streams for use with all the other filesystem functions (such as fopen(), fread() etc.).
Parametry
-
protocol -
The wrapper name to be registered.
-
classname -
The classname which implements the
protocol. -
flags -
Should be set to
STREAM_IS_URLifprotocolis a URL protocol. Default is 0, local stream.
Zwracane wartości
Zwraca TRUE w przypadku powodzenia, FALSE w
przypadku błędu.
stream_wrapper_register() will return FALSE if the
protocol already has a handler.
Rejestr zmian
| Wersja | Opis |
|---|---|
| 5.2.4 |
Added the flags parameter.
|
Przykłady
Przykład #1 How to register a stream wrapper
<?php
$existed = in_array("var", stream_get_wrappers());
if ($existed) {
stream_wrapper_unregister("var");
}
stream_wrapper_register("var", "VariableStream");
$myvar = "";
$fp = fopen("var://myvar", "r+");
fwrite($fp, "line1\n");
fwrite($fp, "line2\n");
fwrite($fp, "line3\n");
rewind($fp);
while (!feof($fp)) {
echo fgets($fp);
}
fclose($fp);
var_dump($myvar);
if ($existed) {
stream_wrapper_restore("var");
}
?>
Powyższy przykład wyświetli:
line1 line2 line3 string(18) "line1 line2 line3 "
Zobacz też:
- The streamWrapper prototype class
- Example class registered as stream wrapper
- stream_wrapper_unregister() - Unregister a URL wrapper
- stream_wrapper_restore() - Restores a previously unregistered built-in wrapper
- stream_get_wrappers() - Retrieve list of registered streams
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User Contributed Notes
stream_wrapper_register - [12 notes]