dbplus_find

(PHP 4 >= 4.0.7, PECL dbplus:0.9)

dbplus_find — Set a constraint on a relation

说明

int dbplus_find ( resource $relation , array $constraints , mixed $tuple )

Places a constraint on the given relation .

Further calls to functions like dbplus_curr() or dbplus_next() will only return tuples matching the given constraints.

参数

relation

A relation opened by dbplus_open().

constraints

Constraints are triplets of strings containing of a domain name, a comparison operator and a comparison value. The constraints parameter array may consist of a collection of string arrays, each of which contains a domain, an operator and a value, or of a single string array containing a multiple of three elements.

The comparison operator may be one of the following strings: '==', '>', '>=', '<', '<=', '!=', '~' for a regular expression match and 'BAND' or 'BOR' for bitwise operations.

tuple

返回值

注释

Warning

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。

参见

dbplus_unselect()

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dbplus_first

dbplus_errno

Last updated: Mon, 26 Nov 2007