Is there a master who can answer the finale of a multinational company's advanced php pen test?

use php to write an api collection that simulates the basic operation of a bank account:

  1. create an account
  2. close your account
  3. get the current balance
  4. withdraw
  5. Deposit
  6. transfer (account transfer limit is $10000 per day)
    a. Transfer money to the same user, another account
    No service charge
    b. An account transferred to another user
    must use the following api interface to obtain the transfer authorization:
    http://handy.travel/test/succ.
    to simplify the operation, you do not need to pass any parameters to the API
    if the transfer is authorized, return {" status ":" success "}
    each transfer. There is a fixed service charge of $100,000,000

for testing convenience, no authorization is required to access these interfaces.
if provided to a variety of test methods, it will add extra points to your written test.
in your code, you need to focus on reusability, readability and extensibility, and provide enough comments to use any third-party class library.

We need to start with three key points: database design, MVC architecture and unit testing

Php
Mar.17,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b38b40-344e5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b38b40-344e5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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