pfsockopen()

pfsockopen()

function pfsockopen(string $hostname, int $port, int $error_code = null, string $error_message = null, float $timeout = null): mixed

Open persistent Internet or Unix domain socket connection.

Parameters:

• $hostname (string)
• $port (int)
• $error_code (int), passed by reference, default null, optional
• $error_message (string), passed by reference, default null, optional
• $timeout (float), default null, optional

Returns: mixed

Availability

• Compiled (AOT): supported by the Elephc code generator.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/filesystem/pfsockopen.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how pfsockopen is implemented in the compiler, see the internals page.