static void HHVM_FUNCTION(gmp_clrbit, VRefParam& data, int64_t index) { if (index < 0) { raise_warning(cs_GMP_INVALID_INDEX_IS_NEGATIVE, cs_GMP_FUNC_NAME_GMP_CLRBIT); return; } auto gmpRes = data.toResource().getTyped<GMPResource>(true, true); if (!gmpRes) { raise_warning(cs_GMP_FAILED_TO_ALTER_BIT, cs_GMP_FUNC_NAME_GMP_CLRBIT); return; } mpz_clrbit(gmpRes->getData(), index); }