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find で複数の or を and でつなげる連想配列

Last updated at Posted at 2012-04-23

頭の中が SQL モードになっている場合によくミスる

こういうSQL文を発行したい場合

SELECT * FROM users 
WHERE (users.name = 'hoge' OR users.age = 20) 
AND (users.name = 'foo' OR users.age = 30);

find の引数となる連想配列は次のようになる

// 正しい連想配列
$conditions = array(
  array( 'or' => array('name'=>'hoge', 'age'=>'20')),
  array( 'or' => array('name'=>'foo', 'age'=>'30')),
);

連想配列の仕組み上、下のような連想配列では、キー:ORが上書きされる。
脳内がSQL モードになっていると意外に気が付かない。

// 誤った連想配列
$conditions = array(
  'or' => array('name'=>'hoge', 'age'=>'20'),
  'or' => array('name'=>'foo', 'age'=>'30'),
);
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