Computer information management has many advantages such as large storage capacity and fast speed. The processing information provided to us is timely and fast. Therefore, we use the information provided by the computer to form a complete set of dynamic management of the message borrowing process. After the After evaluating the superiority of multiple development software and database software, we finally chose to use PHP and Mysql to develop a message management system.
#In China, today, with the rapid development of network economy and e-commerce, more and more companies realize the necessity of establishing websites. With a website, the website message board is an essential part of it. This part is the key to the entire website communicating with users. (Recommended learning: PHP Video Tutorial)
Facts show that most websites have message board modules to facilitate communication and cooperation between users and website managers. It can be said that message boards are becoming more and more popular for websites. In the future development of the Internet, it is a content that cannot be ignored, and its development will become more and more mature. This is the current state of message board development.
System Requirements Analysis
The message board system is designed for two types of users: netizens and administrators. Netizens can leave messages and view current messages. Administrators can view current messages, reply to messages and delete messages.
The message board system needs to implement the following functions: Netizens leave messages, display messages in pages, administrator logs in, administrator replies to messages, and administrator deletes messages. Each function is described in detail as follows:
(1) Netizens leave messages: Netizens need to enter their own relevant information to leave messages.
(2) Administrator login: After entering the login interface, the administrator enters the user name and password to log in. After logging in, the administrator can reply to messages and delete messages.
(3) The administrator can reply to the message: The administrator can reply to the message after logging in. The reply message needs to be displayed in the message list
(4) The administrator deletes the message: The administrator can delete the message after logging in. When deleting, a dialog box needs to pop up to confirm and then delete.
The system function modules are as follows:
(1) Browse messages: Users can view all public message information in the system.
(2) Signature management: Users can sign public messages or private messages.
(3)Manage messages: Administrators can reply to messages, delete messages, pin messages to the top, hide messages, etc.
(4) System settings: Administrators can change passwords, set system parameters, etc.
The above is the detailed content of What are the php message board function modules?. For more information, please follow other related articles on the PHP Chinese website!

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。


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