add php8 macros (#20)

Author: nick-zh

kafka.c

@@ -96,7 +96,7 @@ ZEND_METHOD(Kafka_Kafka, getMetadata)
         Z_PARAM_BOOL(all_topics)
         Z_PARAM_LONG(timeout_ms)
         Z_PARAM_OPTIONAL
-        Z_PARAM_OBJECT_OF_CLASS_EX(only_zrkt, ce_kafka_topic, 1, 0)
+        Z_PARAM_OBJECT_OF_CLASS_OR_NULL(only_zrkt, ce_kafka_topic)
     ZEND_PARSE_PARAMETERS_END();
 
     intern = get_kafka_object(getThis());

php_kafka_int.h

@@ -69,6 +69,18 @@ typedef void (*kafka_metadata_collection_ctor_t)(zval *renurn_value, zval *zmeta
 
 #define ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(pass_by_ref, name, type_hint, allow_null, default_value) ZEND_ARG_INFO(pass_by_ref, name)
 
+#define Z_PARAM_ARRAY_HT_OR_NULL(dest) \
+	Z_PARAM_ARRAY_HT_EX(dest, 1, 0)
+
+#define Z_PARAM_LONG_OR_NULL(dest, is_null) \
+	Z_PARAM_LONG_EX(dest, is_null, 1, 0)
+
+#define Z_PARAM_OBJECT_OF_CLASS_OR_NULL(dest, _ce) \
+	Z_PARAM_OBJECT_OF_CLASS_EX(dest, _ce, 1, 0)
+
+#define Z_PARAM_STRING_OR_NULL(dest, dest_len) \
+	Z_PARAM_STRING_EX(dest, dest_len, 1, 0)
+
 #endif
 
 #ifdef PHP_WIN32

topic.c

@@ -85,8 +85,8 @@ ZEND_METHOD(Kafka_ProducerTopic, produce)
         Z_PARAM_LONG(partition)
         Z_PARAM_LONG(msgflags)
         Z_PARAM_OPTIONAL
-        Z_PARAM_STRING_EX(payload, payload_len, 1, 0)
-        Z_PARAM_STRING_EX(key, key_len, 1, 0)
+        Z_PARAM_STRING_OR_NULL(payload, payload_len)
+        Z_PARAM_STRING_OR_NULL(key, key_len)
     ZEND_PARSE_PARAMETERS_END();
 
     if (partition != RD_KAFKA_PARTITION_UA && (partition < 0 || partition > 0x7FFFFFFF)) {
@@ -136,10 +136,10 @@ ZEND_METHOD(Kafka_ProducerTopic, producev)
         Z_PARAM_LONG(partition)
         Z_PARAM_LONG(msgflags)
         Z_PARAM_OPTIONAL
-        Z_PARAM_STRING_EX(payload, payload_len, 1, 0)
-        Z_PARAM_STRING_EX(key, key_len, 1, 0)
-        Z_PARAM_ARRAY_HT_EX(headersParam, 1, 0)
-        Z_PARAM_LONG_EX(timestamp_ms, timestamp_ms_is_null, 1, 0)
+        Z_PARAM_STRING_OR_NULL(payload, payload_len)
+        Z_PARAM_STRING_OR_NULL(key, key_len)
+        Z_PARAM_ARRAY_HT_OR_NULL(headersParam)
+        Z_PARAM_LONG_OR_NULL(timestamp_ms, timestamp_ms_is_null)
     ZEND_PARSE_PARAMETERS_END();
 
     if (partition != RD_KAFKA_PARTITION_UA && (partition < 0 || partition > 0x7FFFFFFF)) {