前提 PHP 7.3.11 CakePHP v3.6.14 MySQL 5.7.26 0. テーブル構造 mysql> desc users; +---------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +---------------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(255) | NO | | NULL | | | tel | varchar(255) | NO | | NULL | | | e