php - どのようにphpで配列内の配列をforeachしますか?

Question

配列に配列があります：

$tree = array(array($value => 7, $left => 2, $right => 3, $leftValue = 0), 
              array($value => 5, $left => 4, $right => "", $leftValue = 0),
              array($value => 25, $left => 5, $right => 6, $leftValue = 0),
              array($value => 3, $left => "", $right => "", $leftValue = 0),
              array($value => 12, $left => "", $right => "", $leftValue = 0),
              array($value => 17, $left => "", $right => "", $leftValue = 0));

内部配列の値を取得するための foreach メイン配列の作成方法

Answer 1

$myarray は配列であるため、配列を出力します。スクリプトを次のように変更します。

foreach ($tree as $myarray) {
   echo $myarray[$value];
   echo $myarray[$left];
   echo $myarray[$leftValue];
}

Answer 2

試す

foreach ($tree as $outer) {
  foreach ($outer as $inner) {
    // here you are
  }
}