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# php_stream_sock_open_unix

php_stream_sock_open_unix -- Open a Unix domain socket and convert into a stream

## Description

php_stream * php_stream_sock_open_unix ( const char * path, int pathlen, int persistent, struct timeval * timeout )

php_stream_sock_open_unix() attempts to open the Unix domain socket specified by `path`. `pathlen` specifies the length of `path`. If `timeout` is not NULL, it specifies a timeout period for the connection attempt. `persistent` indicates if the stream should be opened as a persistent stream. Generally speaking, this parameter will usually be 0.

> 注意: This function will not work under Windows, which does not implement Unix domain sockets. A possible exception to this rule is if your PHP binary was built using cygwin. You are encouraged to consider this aspect of the portability of your extension before it's release.

> 注意: This function treats `path` in a binary safe manner, suitable for use on systems with an abstract namespace (such as Linux), where the first character of path is a NUL character.

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