Backend DevelopmentPHP TutorialPHP ADODB generates HTML table function rs2html function [with error handling function usage]PHP ADODB generates HTML table function rs2html function [with error handling function usage]
This article mainly introduces the function rs2html of PHP ADODB to generate HTML tables, and analyzes the relevant operating skills of PHP using the ADODB class to use the function rs2html to output the result set to generate HTML tables in the form of examples, and also attaches the usage of the error handling function errorMsg, which is required Friends can refer to
The example in this article describes the function of PHP ADODB to generate HTML table function rs2html. Share it with everyone for your reference, the details are as follows:
1. Code
adodb.inc.php can be downloaded from the official website http:// adodb.sourceforge.net/ Download.
conn.php：
<?php include_once ('../adodb5/adodb.inc.php'); $conn = ADONewConnection('mysql'); $conn -> PConnect('localhost','root','root','db_database14'); $conn -> execute('set names gb2312'); $ADODB_FETCH_MODE = ADODB_FETCH_BOTH; ?>
rs2html.php：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>应用rs2html()函数直接输出返回的结果集</title>
<style type="text/css">
<!--
TH {
background-color:#FFFFFF;
font-size: 12px;
color: #FF0000;
}
td {
background-color:#FFFFFF;
font-size: 12px;
color: #FF0000;
}
-->
</style></head>
<body>
<?php
include_once 'conn/conn.php'; //载入数据库链接文件
include_once '../adodb5/tohtml.inc.php'; //载入tohtml.inc.php文件
$rst = $conn -> execute('select * from tb_object'); //返回查询结果集
rs2html($rst,' width="350" border="1" cellpadding="1" cellspacing="1" bordercolor="#FFFFFF" bgcolor="#FF0000"',array('序号','类别','添加时间')); //输出结果集
?>
</body>
</html>
2. Running results
#Attachment: ADODB error handling function
<?php include_once 'conn/conn.php'; //载入数据库链接文件 $conn -> debug = true; //开启调试 $sql = 'select * form tb_object'; //sql查询语句 $rst = $conn -> execute($sql) or die($conn -> errorMsg()); //调用查询语句 ?>Running results:
##Related recommendations:
The above is the detailed content of PHP ADODB generates HTML table function rs2html function [with error handling function usage]. For more information, please follow other related articles on the PHP Chinese website!
How do you modify data stored in a PHP session?Apr 27, 2025 am 12:23 AMTomodifydatainaPHPsession,startthesessionwithsession_start(),thenuse$_SESSIONtoset,modify,orremovevariables.1)Startthesession.2)Setormodifysessionvariablesusing$_SESSION.3)Removevariableswithunset().4)Clearallvariableswithsession_unset().5)Destroythe
Give an example of storing an array in a PHP session.Apr 27, 2025 am 12:20 AMArrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.
How does garbage collection work for PHP sessions?Apr 27, 2025 am 12:19 AMPHP session garbage collection is triggered through a probability mechanism to clean up expired session data. 1) Set the trigger probability and session life cycle in the configuration file; 2) You can use cron tasks to optimize high-load applications; 3) You need to balance the garbage collection frequency and performance to avoid data loss.
How can you trace session activity in PHP?Apr 27, 2025 am 12:10 AMTracking user session activities in PHP is implemented through session management. 1) Use session_start() to start the session. 2) Store and access data through the $_SESSION array. 3) Call session_destroy() to end the session. Session tracking is used for user behavior analysis, security monitoring, and performance optimization.
How can you use a database to store PHP session data?Apr 27, 2025 am 12:02 AMUsing databases to store PHP session data can improve performance and scalability. 1) Configure MySQL to store session data: Set up the session processor in php.ini or PHP code. 2) Implement custom session processor: define open, close, read, write and other functions to interact with the database. 3) Optimization and best practices: Use indexing, caching, data compression and distributed storage to improve performance.
Explain the concept of a PHP session in simple terms.Apr 26, 2025 am 12:09 AMPHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi
How do you loop through all the values stored in a PHP session?Apr 26, 2025 am 12:06 AMIn PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.
Explain how to use sessions for user authentication.Apr 26, 2025 am 12:04 AMThe session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SublimeText3 English version
Recommended: Win version, supports code prompts!
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
Dreamweaver Mac version
Visual web development tools
Notepad++7.3.1
Easy-to-use and free code editor
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
