The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Changelog | 
|---|---|---|---|
| ingres.allow_persistent | "1" | PHP_INI_SYSTEM | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.max_persistent | "-1" | PHP_INI_SYSTEM | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.max_links | "-1" | PHP_INI_SYSTEM | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.default_database | NULL | PHP_INI_ALL | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.default_user | NULL | PHP_INI_ALL | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.default_password | NULL | PHP_INI_ALL | Available since PHP 4.0.2. Removed in PHP 5.1.0. | 
| ingres.report_db_warnings | "1" | PHP_INI_ALL | Available since ingres 1.1. | 
| ingres.cursor_mode | "0" | PHP_INI_ALL | Available since ingres 1.1. | 
| ingres.blob_segment_length | "4096" | PHP_INI_ALL | Available since ingres 1.2.0. | 
| ingres.trace_connect | "0" | PHP_INI_ALL | Available since ingres 1.2.1. | 
| ingres.timeout | "-1" | PHP_INI_ALL | Available since ingres 1.4.0. | 
| ingres.array_index_start | "1" | PHP_INI_ALL | Available since ingres 1.4.0. |