FFI::isNull
PHP function
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(PHP 7 >= 7.4.0, PHP 8)
Checks whether a FFI\CData is a null pointer
Description
FFI::isNull(FFI\CData $ptr): bool
Checks whether a FFI\CData is a null pointer.
Parameters
ptrThe handle of the pointer to a C data structure.
Return Values
Returns whether a FFI\CData is a null pointer.