PHP Handbuch
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# php_stream_can_cast

(no version information, might be only in CVS)

php_stream_can_cast -- Determines if a stream can be converted into another form, such as a FILE* or socket

## Description

int php_stream_can_cast ( php_stream * stream, int castas )

This function is equivalent to calling php_stream_cast() with ret set to NULL and flags set to 0. It returns `SUCCESS` if the stream can be converted into the form requested, or `FAILURE` if the conversion cannot be performed.

> Anmerkung: Although this function will not perform the conversion, some internal stream state *might* be changed by this call.

> Anmerkung: You must explicitly compare the return value of this function with one of the constants, as described in php_stream_cast().

See also php_stream_cast() and php_stream_is().

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