让我们看看这个数据库结构 id (primary key) end (timestamp nullable)
id (primary key) foreign_id (integer) some other text fields
iteration_id (foreign key to iterations(id))
item_id (foreig
在PHP页面上,我将获得课程的免费插槽(从mysql),检查是否有足够的空间进行预订,然后将数据推送到mysql。如何保证空闲插槽保持空闲,直到我将数据推送到mysql?<?php
foreach ($_SESSION["booking"]->courseList as $booking) { //For all courses in the