diff --git a/ext/pdo/pdo_stmt.c b/ext/pdo/pdo_stmt.c
index a414dcb62dd0..d458bb94ec90 100644
--- a/ext/pdo/pdo_stmt.c
+++ b/ext/pdo/pdo_stmt.c
@@ -1624,7 +1624,7 @@ bool pdo_stmt_setup_fetch_mode(pdo_stmt_t *stmt, zend_long mode, uint32_t mode_a
 
 	pdo_stmt_free_default_fetch_mode(stmt);
 
-	stmt->default_fetch_type = PDO_FETCH_BOTH;
+	stmt->default_fetch_type = stmt->dbh->default_fetch_type;
 
 	flags = mode & PDO_FETCH_FLAGS;
 
@@ -1632,6 +1632,8 @@ bool pdo_stmt_setup_fetch_mode(pdo_stmt_t *stmt, zend_long mode, uint32_t mode_a
 		return false;
 	}
 
+	bool use_default = (mode & ~PDO_FETCH_FLAGS) == PDO_FETCH_USE_DEFAULT;
+
 	switch (mode & ~PDO_FETCH_FLAGS) {
 		case PDO_FETCH_USE_DEFAULT:
 		case PDO_FETCH_LAZY:
@@ -1747,7 +1749,9 @@ bool pdo_stmt_setup_fetch_mode(pdo_stmt_t *stmt, zend_long mode, uint32_t mode_a
 			return false;
 	}
 
-	stmt->default_fetch_type = mode;
+	if (!use_default) {
+		stmt->default_fetch_type = mode;
+	}
 
 	return true;
 }
diff --git a/ext/standard/math.c b/ext/standard/math.c
index e13f153f63e2..20286870c7c9 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -170,6 +170,10 @@ PHPAPI double _php_math_round(double value, int places, int mode) {
 		return value;
 	}
 
+	if (places == 0 && value == trunc(value)) {
+        return value;
+    }
+
 	places = places < INT_MIN+1 ? INT_MIN+1 : places;
 
 	exponent = php_intpow10(abs(places));
diff --git a/ext/standard/tests/math/gh22410.phpt b/ext/standard/tests/math/gh22410.phpt
new file mode 100644
index 000000000000..db2e92c3e6d9
--- /dev/null
+++ b/ext/standard/tests/math/gh22410.phpt
@@ -0,0 +1,14 @@
+--TEST--
+gh-22410: round() preserves integral doubles
+--FILE--
+<?php
+var_dump(round(1.0));
+var_dump(round(-1.0));
+var_dump(round((float) 9003241321073828));
+var_dump(round((float) -9003241321073828));
+?>
+--EXPECT--
+float(1)
+float(-1)
+float(9003241321073828)
+float(-9003241321073828)