Eclipse PDOで配列内のオブジェクトをコード補完する ref: http://qiita.com/tadasuke/items/e5d9072dbae5677ed234

file1.txt

/**
 * hogeオブジェクト配列
 * @var array
 */
private $hogeArray = array();

public function getHogeArray() {
    return $this -> hogeArray;
}

file2.php

$fuga = new fuga();

foreach ( $fuga -> getHogeArray() as $hoge ) {

    $hoge -> ge
}

file3.txt

/**
 * hogeオブジェクト配列
 * @var array[hoge]
 */
private $hogeArray = array();

public function getHogeArray() {
    return $this -> hogeArray;
}

hoge.php

class hoge {

    private $id = NULL;

    public function setId( $id ) {
        $this -> id = $id;
    }

    public function getId() {
        return $this -> id;
    }
}