Online PHP editor | refs for ZQVIQ

<?php $var[0] = array('Tokyo' => '東京', 'Osaka' => '大阪', 'Fukuoka' => '福岡'); $var[1] = array('Tokyo' => '東京?', 'Osaka' => '大阪?', 'Fukuoka' => '福岡?'); $rental_book_id = array(); foreach($var as $i){ $rental_book_id[] = $i['Osaka']; } var_dump($rental_book_id);