次のような配列があります。
Array (
[0] => Array (
[slideID] => 3
[parentSlideID] => 1
[subSlideOrder] => 1
[headline] =>
[copy] =>
[colourID] => 0
[URL] => 2.jpg
[category] => 1
[visible] => 1
[slideOrder] => 2
[type] => 0 )
[1] => Array (
[slideID] => 3
[parentSlideID] => 1
[subSlideOrder] => 1
[headline] =>
[copy] =>
[colourID] => 0
[URL] => 2.jpg
[category] => 1
[visible] => 1
[slideOrder] => 2
[type] => 0 )
[2] => Array (
[slideID] => 3
[parentSlideID] => 0
[subSlideOrder] => 1
[headline] =>
[copy] =>
[colourID] => 0
[URL] => 2.jpg
[category] => 1
[visible] => 1
[slideOrder] => 2
[type] => 0 )
)
parentSlideID
配列を検索して、各サブ配列の値を確認し、一致するキーを返すにはどうすればよいですか。
たとえば、配列で「1」を検索すると、 が返され0,1
ます。「0」を検索すると、 が返され2
ます。「3」を検索しても何も返されません。これは可能ですか?