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# dbplus_open

(4.1.0 - 4.2.3 only, PECL)

dbplus_open -- Open relation file

## Description

resource dbplus_open ( string name )

警告
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

The relation file name will be opened. name can be either a file name or a relative or absolute path name. This will be mapped in any case to an absolute relation file path on a specific host machine and server.

On success a relation file resource (cursor) is returned which must be used in any subsequent commands referencing the relation. Failure leads to a zero return value, the actual error code may be asked for by calling dbplus_errno().

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