PHP. Руководство по PHP. 2005
php_stream_is
php_stream_is
(no version information, might be only in CVS)php_stream_is -- Determines if a stream is of a particular type
Description
int php_stream_is (php_stream * stream, int istype)
php_stream_is() returns 1 if stream is of the type specified by istype, or 0 otherwise.
Таблица 1. Values for istype
| Value | Meaning |
|---|---|
| PHP_STREAM_IS_STDIO | The stream is implemented using the stdio implementation |
| PHP_STREAM_IS_SOCKET | The stream is implemented using the network socket implementation |
| PHP_STREAM_IS_USERSPACE | The stream is implemented using the userspace object implementation |
| PHP_STREAM_IS_MEMORY | The stream is implemented using the grow-on-demand memory stream implementation |
Замечание: The PHP_STREAM_IS_XXX "constants" are actually defined as pointers to the underlying stream operations structure. If your extension (or some other extension) defines additional streams, it should also declare a PHP_STREAM_IS_XXX constant in it's header file that you can use as the basis of this comparison.
Замечание: This function is implemented as a simple (and fast) pointer comparison, and does not change the stream state in any way.
See also php_stream_cast() and php_stream_can_cast().
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Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.
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