Community
Articles
Topics
Q&A
Learn
Course
Programming Dictionary
Tools Library
Development tools
Website Source Code
PHP Libraries
JS special effects
Website Materials
Extension plug-ins
Leisure
Game Download
Game Tutorials
English
简体中文
English
繁体中文
日本語
한국어
Melayu
Français
Deutsch
Login
singup
What to do if $db->quary Undefined variable error occurs
移动用户-1190279
2019-05-03 16:06:17
0
1
1036
$db->quary What to do if Undefined variable error
1
0
0
移动用户-1190279
reply all
(1)
I'll reply
Close
失去过去
2019-05-05 10:37:51
1 floor
Undefined variable
Like
+0
Add Reply
关闭回复
移动用户-1190279
reply
Popular Topics
More>
CakePHP Tutorial
Laravel Tutorial
PHP Tutorial
Java Tutorial
Popular Articles
Forget About Investing in Gold – Bitcoin Has Proved Its Superiority in Many Ways
Bitcoin Hits Record Highs, but Four Altcoins Show Potential for Higher Returns by 2025, Poised to Outshine the Market Leader
How to fix private matches not working in Pokemon TCG Pocket
Why Can\'t IE Load EOT Fonts Over HTTPS?
How to Fix 'Warning: mysqli_query() expects parameter 1 to be mysqli, resource given' Error Due to Mixed MySQL Extension Usage?
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
The latest ThinkPHP 5.1 world premiere video tutorial (60 days to become a PHP expert online training course)
1420280
PHP introductory tutorial one: Learn PHP in one week
4263412
JAVA Beginner's Video Tutorial
2507224
The latest ThinkPHP 5.1 world premiere video tutorial (60 days to become a PHP expert online training course)
1420280
JAVA Beginner's Video Tutorial
2507224
Little Turtle's zero-based introduction to learning Python video tutorial
505586
Quick introduction to web front-end development
215537
Master PS video tutorials from scratch
884498
[Web front-end] Node.js quick start
7034
Complete collection of foreign web development full-stack courses
5468
Go language practical GraphQL
4610
550W fan master learns JavaScript from scratch step by step
664
Python master Mosh, a beginner with zero basic knowledge can get started in 6 hours
23307
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
[form button] jQuery enterprise message form contact code
[Player special effects] HTML5 MP3 music box playback effects
[Menu navigation] HTML5 cool particle animation navigation menu special effects
[form button] jQuery visual form drag and drop editing code
[Player special effects] VUE.JS imitation Kugou music player code
[html5 special effects] Classic html5 pushing box game
[Picture special effects] jQuery scrolling to add or reduce image effects
[Photo album effects] CSS3 personal album cover hover zoom effect
[Bootstrap template] Organic fruit and vegetable supplier web template Bootstrap5
[backend template] Bootstrap3 multifunctional data information background management responsive web page template-Novus
[Bootstrap template] Real estate resource service platform web page template Bootstrap5
[Bootstrap template] Simple resume information web template Bootstrap4
[Bootstrap template] bootstrap responsive widescreen book education website template-DREAMLIFE
[backend template] MAC style responsive blue enterprise CMS background management system template
[backend template] Responsive gradient atmosphere background management system website template-usinessbox
[Bootstrap template] Responsive vegetable and fruit store website template-Organio
[PNG material] Cute summer elements vector material (EPS PNG)
[PNG material] Four red 2023 graduation badges vector material (AI EPS PNG)
[banner picture] Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
[PNG material] Golden graduation cap vector material (EPS PNG)
[PNG material] Black and white style mountain icon vector material (EPS PNG)
[PNG material] Superhero silhouette vector material (EPS PNG) with different color cloaks and different poses
[banner picture] Flat style Arbor Day banner vector material (AI+EPS)
[PNG material] Nine comic-style exploding chat bubbles vector material (EPS+PNG)
[Front-end template] Home Decor Cleaning and Repair Service Company Website Template
[Front-end template] Fresh color personal resume guide page template
[Front-end template] Designer Creative Job Resume Web Template
[Front-end template] Modern engineering construction company website template
[Front-end template] Responsive HTML5 template for educational service institutions
[Front-end template] Online e-book store mall website template
[Front-end template] IT technology solves Internet company website template
[Front-end template] Purple style foreign exchange trading service website template
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Undefined variable