FFI::isNull
(PHP 7 >= 7.4.0)
FFI::isNull — Checks whether a FFI\CData is a null pointer
説明
public static FFI::isNull
( FFI\CData &$ptr
) : bool
Checks whether a FFI\CData is a null pointer.
パラメータ
ptr- The handle of the pointer to a C data structure.
返り値
Returns whether a FFI\CData is a null pointer.
