这些函数的行为受 php.ini 的影响。
| 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. |
有关 PHP_INI_* 常量进一步的细节与定义参见php.ini 配置选项。