fetch_assoc may return array_key_long

If the column name is a number (which is possible at least via
AS clauses), then symtable canonicalization will convert it into
an integer key.

Author: nikic

ext/opcache/Optimizer/zend_func_info.c

@@ -949,7 +949,7 @@ static const func_info_t func_infos[] = {
 	F0("mysqli_savepoint",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
 	F0("mysqli_release_savepoint",				MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
 	F1("mysqli_fetch_array",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
-	F1("mysqli_fetch_assoc",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
+	F1("mysqli_fetch_assoc",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
 	F1("mysqli_fetch_all",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
 	F1("mysqli_fetch_object",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
 	F0("mysqli_free_result",					MAY_BE_NULL),
@@ -1363,7 +1363,7 @@ static const func_info_t func_infos[] = {
 	F0("pg_field_num",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
 	F1("pg_fetch_result",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
 	F1("pg_fetch_row",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
-	F1("pg_fetch_assoc",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
+	F1("pg_fetch_assoc",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
 	F1("pg_fetch_array",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
 	F1("pg_fetch_object",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
 	F1("pg_fetch_all",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ARRAY),