select query in drupal 7

Original article: http://blog.sina.com.cn/s/blog_48a770da0100gam5.html Rare and rare Chinese Drupal view detailed tutorial, transferred from http://www.cc.ntu.edu.tw/chinese/epaper/0009/20090620_9009.htm Author: programming organization for

Php: tree structure algorithm. Read the php: tree structure algorithm, which is reprinted from The Joy village. I have read this article before and told you quite clearly. In terms of product classification, multi-level tree structure forums, mail

Reproduced from the village of Joy, has read this article before, the story is still more clear.Product classification, multi-level tree structure of the Forum, mailing list and many other places we will encounter the problem: how to store the multi-

Error 1:foreach left hanging pointer after loop In a foreach loop, if we need to change the elements of an iteration or to improve efficiency, applying a reference is a good idea: $arr = Array (1, 2, 3, 4);foreach ($arr as & $value) {$value =

Analysis of the 10 most common mistakes in PHP programming 10 Currently learning PHP a lot of friends, in peacetime daily program development project always encounter a variety of problems, this experience will introduce PHP development in the 10

This article lists some of the more common mistakes we made in PHP programming, which are listed in 10. Error 1:foreach Loop left hanging pointer In a foreach loop, if we need to change the elements of an iteration or to improve efficiency, it's a

Currently learning PHP a lot of friends, in peacetime routine development projects will always encounter a variety of problems, this experience to introduce PHP development in 10 of the most common problems, hope to be able to help friends. Error 1:

PHP is a very popular open source server-side scripting language, and most of the sites you see on the World Wide Web are developed using PHP. This article will introduce PHP development in the 10 most common problems, I hope to be able to help

Analysis of the 10 most common errors in PHP programming, analysis of php programming 10 At present, many of my friends are studying PHP and will always encounter various problems in daily program development projects. This article will introduce

The 10 most common errors in PHP programming. 10 most common errors in PHP programming this article lists some of the most common errors in php programming. This article lists 10. Error 1: After the foreach loop, the top 10 most common errors in for