PHP Tutorials

Today happened to see the Arisisi site contact us inside the site of the previous version of the introduction, feel good. So it is also intended to be the site of the previous version through the form of text recorded. Hope that a few years later

If you do an online file management system, then you must first know how to read the directory and files, in fact, the function of a few lines of code can be achieved. Output effect: Implementation code:Copy the Code code as follows: $dir = "d:/

Recently, because the project needs to do some processing on the remote database on a regular basis, there is a need to make a plan for what the task looks like. After the effort, finally using PHP to achieve this task, the following share the

In order to save time later, a class that operates SQL statements is encapsulated today, where it is saved and used later. File name of this class: SqlTool.class.php There are mainly DQL and DML two functions Look at the following source code "

PHP obtains the verification code picture to the local, supports the PNG, GIF, JPG Three kinds of format verification code. In the implementation, PHP to determine the image format is the use of PHP built-in exif_imagetype function, it is quite

/** * Function: Encrypt string processing * Parameter one: Content that needs to be encrypted * Parameter two: key */ function Passport_encrypt ($STR, $key) {//encryption function Srand (Double) microtime () * 1000000); $encrypt _key=md5 (rand (0, 32

Develop a subsite with CodeIgniter, and then synchronize with the original forum, including simultaneous login and two-way communication Install the Ucenter first, then create a new application of other, copy the generated code out, create a new

1. Run the following command in turn Copy CodeThe code is as follows: Wget http://pecl.php.net/get/zip-1.8.10.tgz #tar ZXVF zip-1.8.3.tgz #cd zip-1.8.3 #/opt/php/bin/phpize (corresponding phpize path)

IIS version: IIS 8.5 Problem description Build a test site, a total of 2 pages (index.php and 404.php), the default home is: index.php When accessing index.php and 404.php, the IIS server responds properly, stating that there is no problem

OO programming (Object Oriented programming, OOP, object-oriented programming) is a computer programming architecture, and one of the basic principles of OOP is that a computer program is composed of a single unit or object that can act as a

During an interview with an empire, the question was: how to deal with the problem of post-commit duplication, and later with the @ Warm Yang communication, he said the record time, I do not understand, I think is the table in the form page record,

How to convert the following two-dimensional array to a one-dimensional array. $msg = Array ( Array ' id ' = ' 45 ', ' Name ' = ' Jack ' ), Array ' id ' = ' 34 ', ' Name ' = ' Mary ' ), Array ' id ' = ' 78 ', ' Name ' = ' Lili ' ), ); 1 Solution:

Introduction: Just want to achieve a simple Ajax upload data, but when the amount of data is large, the problem is one after another, in fact, the data is not very large, is the CSV format data less than 5w data. Size 5M, at first think this is very

When you write a website, you may encounter this situation, is to write a form, this form is used to add an article, we fart in the background to receive data, and then into the database. Now there's a problem. What do you do when you want to make

php when the Chinese string interception, will often use two functions iconv_substr and MB_SUBSTR, the two functions should be how to choose it? Refer to the examples described in this article to understand. Example code, using the function substr

The first is the design of the database. The classification table is called Cate. I do the classification data of the two-level linkage, the data required fields are: Id,name (Chinese name), PID (parent ID). Parent ID's setting: If the data does

Part of MVC: Models (model)Represents your data structure. In general, your model class will include the ability to remove, insert, and update your database data.Views (view)Is the information displayed to the user. A view is usually a Web

upload.php Copy the Code code as follows: if (Isset ($_files["myfile")){$ret = Array ();$uploadDir = ' images '. Directory_separator.date ("Ymd"). Directory_separator;$dir = DirName (__file__). Directory_separator. $uploadDir;File_exists ($dir) |

Recently, a PHP project used to limit the logon time function, such as the user login system 60 minutes after the automatic exit without action, I searched the network collected the following methods are available for reference. The first method is

This feature was raised at the time of Php5.0x and was later canceled and implemented in PHP6. And this time again "advance" to the PHP5.3 release, it can be seen that the developer of its attention and cautious attitude. The description of the