Fix UB -> initialize allocated memory
Fix UB -> initialize allocated memory

huyanping/phpkafka,gprabhat90/phpkafka,gprabhat90/phpkafka,ntuanphuc/phpkafka,orls/phpkafka,ntuanphuc/phpkafka,ntuanphuc/phpkafka,EVODelavega/phpkafka,in2pire/phpkafka,huyanping/phpkafka,EVODelavega/phpkafka,in2pire/phpkafka,orls/phpkafka,EVODelavega/phpkafka,huyanping/phpkafka,in2pire/phpkafka,gprabhat90/phpkafka,orls/phpkafka