dbplus_find
(PHP 4 >= 4.0.7, PECL dbplus:0.9)
dbplus_find — Set a constraint on a relation
Description
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.
Parameters
- 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
-
Return Values
Notes
這個函數是實驗性質的。這個函數的行為、名稱、和關於此函數的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此延伸需自行承擔風險。