Question

has

确定数据是否存在

has($table, $where)

• table [string]

  表名.

• where [array]

  WHERE 条件.

has($table, $join, $where)

• table [string]

  表名.

• join [array]

  多表查询.

• where [array]

  WHERE 条件.

Return: [boolean] 返回 TRUE 或者 FALSE.可用于做密码判断。

if ($database->has("account", [
    "AND" => [
        "OR" => [
            "user_name" => "foo",
            "email" => "foo"
        ],
        "password" => "12345"
    ]])){
    echo "Password is correct.";
}else{
    echo "Password error.";
}