stream_supports_lock()

stream_supports_lock()

function stream_supports_lock(resource $stream): bool

Tells whether the stream supports locking.

Parameters:

• $stream (resource)

Returns: bool

Availability

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

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

Internals

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