diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index d51389fcfd4..d2dfc34f167 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -1504,38 +1504,29 @@ static void php_pgsql_get_link_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type
 			add_assoc_long(return_value, "protocol", PQprotocolVersion(pgsql));
 #if HAVE_PQPARAMETERSTATUS
 			if (PQprotocolVersion(pgsql) >= 3) {
+				/* 8.0 or grater supports protorol version 3 */
 				char *tmp;
 				add_assoc_string(return_value, "server", (char*)PQparameterStatus(pgsql, "server_version"), 1);
-				if ((tmp = (char*)PQparameterStatus(pgsql, "server_encoding"))) {
-					add_assoc_string(return_value, "server_encoding", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "application_name"))) {
-					add_assoc_string(return_value, "application_name", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "is_superuser"))) {
-					add_assoc_string(return_value, "is_superuser", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "session_authorization"))) {
-					add_assoc_string(return_value, "session_authorization", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "DateStyle"))) {
-					add_assoc_string(return_value, "DateStyle", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "IntervalStyle"))) {
-					add_assoc_string(return_value, "IntervalStyle", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "TimeZone"))) {
-					add_assoc_string(return_value, "TimeZone", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "integer_datetimes"))) {
-					add_assoc_string(return_value, "integer_datetimes", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "standard_conforming_strings"))) {
-					add_assoc_string(return_value, "standard_conforming_strings", tmp, 1);
-				}
-				if ((tmp = (char*)PQparameterStatus(pgsql, "server_encoding"))) {
-					add_assoc_string(return_value, "server_encoding", tmp, 1);
-				}
+				tmp = (char*)PQparameterStatus(pgsql, "server_encoding");
+				add_assoc_string(return_value, "server_encoding", tmp, 1);
+				tmp = (char*)PQparameterStatus(pgsql, "client_encoding");
+				add_assoc_string(return_value, "client_encoding", tmp, 1);
+				tmp = (char*)PQparameterStatus(pgsql, "is_superuser");
+				add_assoc_string(return_value, "is_superuser", tmp, 1);
+				tmp = (char*)PQparameterStatus(pgsql, "session_authorization");
+				add_assoc_string(return_value, "session_authorization", tmp, 1);
+				tmp = (char*)PQparameterStatus(pgsql, "DateStyle");
+				add_assoc_string(return_value, "DateStyle", tmp, 1);
+				tmp = (char*)PQparameterStatus(pgsql, "IntervalStyle");
+				add_assoc_string(return_value, "IntervalStyle", tmp ? tmp : "", 1);
+				tmp = (char*)PQparameterStatus(pgsql, "TimeZone");
+				add_assoc_string(return_value, "TimeZone", tmp ? tmp : "", 1);
+				tmp = (char*)PQparameterStatus(pgsql, "integer_datetimes");
+				add_assoc_string(return_value, "integer_datetimes", tmp ? tmp : "", 1);
+				tmp = (char*)PQparameterStatus(pgsql, "standard_conforming_strings");
+				add_assoc_string(return_value, "standard_conforming_strings", tmp ? tmp : "", 1);
+				tmp = (char*)PQparameterStatus(pgsql, "application_name");
+				add_assoc_string(return_value, "application_name", tmp ? tmp : "", 1);
 			}
 #endif
 #endif
diff --git a/ext/pgsql/tests/00version.phpt b/ext/pgsql/tests/00version.phpt
index ea070093d44..e4e442d0182 100644
--- a/ext/pgsql/tests/00version.phpt
+++ b/ext/pgsql/tests/00version.phpt
@@ -18,7 +18,7 @@ var_dump(serialize($_ENV));
 echo "OK";
 ?>
 --EXPECTF--
-array(12) {
+array(13) {
   ["client"]=>
   string(%d) "%s"
   ["protocol"]=>
@@ -27,8 +27,8 @@ array(12) {
   string(%d) "%s"
   ["server_encoding"]=>
   string(%d) "%s"
-  ["application_name"]=>
-  string(0) ""
+  ["client_encoding"]=>
+  string(%d) "%s"
   ["is_superuser"]=>
   string(%d) "%s"
   ["session_authorization"]=>
@@ -36,13 +36,15 @@ array(12) {
   ["DateStyle"]=>
   string(%d) "%s"
   ["IntervalStyle"]=>
-  string(%d) "%s"
+  string(%d) %s
   ["TimeZone"]=>
   string(%d) "%s"
   ["integer_datetimes"]=>
   string(%d) "%s"
   ["standard_conforming_strings"]=>
   string(%d) "%s"
+  ["application_name"]=>
+  string(%d) %s
 }
 string(%d) "%s"
 OK