How to build a vertical search engine

This article first quotes a few words: "To understand the meaning of the user, return to the user's needs ." "Portal websites all think about how to save money, not how to spend money to buy technology ." "The search engine is not a field that

Fun Image function library-common graphic operations (PHP)

I try not to talk about big theory, for example, what is png. PHP has bound its own GD2 Library since version 4.3. you can download and set it yourself. to check whether your php version supports the gd module (JPEG, PNG, WBMP, But GIF is no longer

Example of sending an email with an attachment using the MAIL function

Classmime_mail {var $ parts; var $ to; var $ from; var $ headers; var $ subject; var $ body; ** voidmime_mail () * classconstructor * functionmime_mail () {$ this class mime_mail { Var $ parts; Var $; Var $ from; Var $ headers; Var $ subject;

PHP class-full-featured mail sending class

PHP class-a full-featured mail class we have already introduced a class for group Mail, which can only send text emails, which of the following functions is very powerful? can I send html-format emails and attachments? PhpclassEmail {--- set the

Get Google official PR php source code

Sweet... ihackeditfurtherandputaformfieldintheresoyoucanpunchtheurltobecheckedinclutheform. mismatch, dropaline. lookforwardtoseehowthiswor Google Sweet ..I hacked it further and put a form field in there so you can punch the url to be checked

It is said that it is Yahoo's PHP interview with answers

Yahoo!'s PHP interview questions include answers collected from the internet. They are said to be Yahoo's interview questions. 1. Which of the following will not add john to the users array? 1. $ users [] = 'John '; 2. array_add ($ users, 'John'); //

Php file extension acquisition function

Sometimes we need to obtain the file extension, classification file, and other reasons. The following is the php function instance code. The code is as follows: $ File = "/home/lvyaozu/backup_20080115.txt "; For ($ I = 1; $ I $ Func = 'get _

Php object-oriented full strategy (12) abstract methods and abstract classes

In OOP, a class can have one or more sub-classes, and each class has at least one public method as an external code to access its interface. Abstract methods are introduced to facilitate Inheritance. let's take a look at the definition of abstract

Experts predict that PHP will be more popular with developers than Java

MarcAndreessen, co-founder of Netscape, predicted at the ZendPHP conference on Wednesday (1019) that a simple PHP descriptive language writing tool was developed for Web-based applications, it will be more popular than Java. Marc Andreessen,

Php generates simple xml instance code

When processing XML-based applications, developers often need to establish XML-encoded data structures. For example, in the Web, XML status templates based on user input, XML statements for server requests, and customer responses based on runtime

Compile eAccelerator. dll for PHP5.2.12 and 5.2.13 in Windows (attached

PHP5.2.12 and 5.2.13 have been released recently to fix multiple bugs. Therefore, it is necessary to upgrade to this version. First, describe some of my parameters: Operating system: Windows 7 Ultimate Web Server: Apache 2.2.14 Visual Studio: 6.0

Use php + mysql to create a powerful online calculator

One day, I tried to search the calculator and found that it was JavaScript, and I had to click it one by one, but it could not be recorded. it was easy to make mistakes when I entered the formula, so I thought about how to make it easy to use. I can

Summary of comprehensive PHP array usage

An array is a collection of data. it organizes a series of data to form an operable whole. Each object in the array contains two items: Key and value. 1. what is an array? An array is a collection of data. it organizes a series of data to form an

PHP Unit testing tool PHPUNIT

Do you encounter the following situations during the process of program development: After you have spent a long time developing an application, you think it should be a success. Unfortunately, when debugging, bugs are constantly discovered, and the

Php database abstraction layer PDO

I have not updated the technical blog for a long time because I have been busy working during this time. During this period, I learned a lot of things I have never touched before. The following describes how to use the database abstraction layer PDO:

PHP beware of the SQL injection vulnerability caused by urldecode

When I was a beginner in PHP, I read a bad book from the school library, and I didn't write any PHP code in it. when processing the form, it will automatically urldecode, therefore, I used the urldecode function to decode the Discuz X1.5 Forum of

Php online mall promotion design instance code

The previous article is about the design of the shopping cart, which is about promotion. The supported promotions are similar to discounts, how many gifts to buy, and how much money to give gifts. The general idea of the rule mode is used. each

Apache + codeigniter performs dynamic second-level domain name resolution through. htcaccess

Today, the php version of the server is upgraded to 5.4.4, and a previous project is switched to apache. the dynamic second-level domain name resolution is implemented using. htcaccess, sharing the CI framework Apache The code is as

Php version of Weibo short link algorithm implementation code

The 32-bit signature string generated by the long URL md5 is divided into four sections, each of which contains eight bytes: 1) generate a 32-bit signature string for the long URL md5, which is divided into four sections, each of which contains 8

Some related experiences and precautions for connecting php to mssql

Php connection to mssql is a common practice for many of my friends. However, this article is still a bit nagging, mainly to share the experience related to database connection. if you are interested, do not miss it, this article may be helpful to

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