<?php

class A
{
public $text_A = "This is A.";

public function getText()
{
return $this->text_A;
}

}

class B extends A
{
public $hash; // 外部ファイルに書いた配列データが入る所
public $text_B = "This is B.";

public function setText()
{
$this->text_B = parent::getText();
}
}