 Automatic Table Linking and Joins (Previous)
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->getLink()
Synopsis
mixed $DB_DataObject->getLink (
string $column
,
string $table
,
string $key
)
Description
Fetch a related object. This should be used in conjunction with a <dbname>.links.ini file configuration (see the introduction on linking for details on this).
You may also use this with all parameters to specify, the column, and related table and column.
Parameter
-
string $column - either column or column.xxxxx
-
string $table - name of table to look up value in
-
string $link - name of column in other table to match
Return value
mixed - object on success or FALSE on failure.
Note
This function can not be called statically.
Example
Getting the related object
<?php
$person = new DataObjects_Person;
$person->get(12);
$group = $person->getLink('group_owner');
echo $group->name;
$group = $person->getLink('colourid','hair');
?>
Resulting SQL
SELECT * FROM person WHERE id=12
SELECT * FROM group WHERE id=3
SELECT * FROM hair WHERE id=4
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Automatic Table Linking and Joins (Previous)
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(Next) ->getLinks()
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