FFI::isNull

(PHP 7 >= 7.4.0, PHP 8)

FFI::isNullChecks 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.

戻り値

Returns whether a FFI\CData is a null pointer.

関連キーワード:  CData, whether, Checks, a, isNull, ptr, free, load, public, static