ingres_pconnect

(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)

ingres_pconnect — Open a persistent connection to an Ingres database

说明

ingres_pconnect ([ string $database [, string $username [, string $password [, array $options ]]]] ) : resource

Open a persistent connection to an Ingres database.

There are only two differences between this function and ingres_connect(): First, when connecting, the function will initially try to find a (persistent) link that is already opened with the same parameters. If one is found, an identifier for it will be returned instead of opening a new connection. Second, the connection to the Ingres server will not be closed when the execution of the script ends. Instead, the link will remain open for future use (ingres_close() will not close links established by ingres_pconnect()). This type of link is therefore called "persistent".

参数

database

The database name. Must follow the syntax:

[vnode::]dbname[/svr_class]

username

The Ingres user name

password

The password associated with username

options

See ingres_connect() for the list of options that can be passed

返回值

Returns an Ingres link resource on success 或者在失败时返回 FALSE

参见

ingres_connect() - Open a connection to an Ingres database
ingres_close() - Close an Ingres database connection

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官方地址：https://www.php.net/manual/en/function.ingres-pconnect.php

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ingres_pconnect

说明

参数

返回值

参见

User Contributed Notes