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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.

返り値

Returns whether a FFI\CData is a null pointer.

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