ASP is the abbreviation of Active Server Page, which means "active server page". ASP is an application developed by Microsoft to replace CGI script programs. It can interact with databases and other programs and is a simple and convenient programming tool. The format of ASP web page files is .asp, which is now commonly used in various dynamic websites. ASP is a server-side scripting environment that can be used to create and run dynamic web pages or web applications. ASP web pages can contain HTML tags, ordinary text, script commands, COM components, etc.
PHP (Chinese name: "Hypertext Preprocessor") is a general open source scripting language. The syntax absorbs the characteristics of C language, Java and Perl, which is easy to learn and widely used. It is mainly suitable for the field of Web development.
Six major differences between ASP websites and PHP websites
1. Speed
When I ran the PHP script for the first time, I couldn’t help but wonder I said to myself: "It's too fast." At that time, I was running my program on a 166MHZ machine, but it still ran very fast. ASP will never be as fast as PHP because ASP is built on the COM architecture.
When writing ASP scripts with VBScript, it actually uses COM objects. When sending information to the user's browser, it uses the write method of the Response object. When it accesses the database and file system , which uses other COM objects. The use of these COM objects slows down the running speed. In PHP code, all work runs in PHP's memory space, which means that PHP is not based on COM objects, so its running speed will be faster.
2. Advanced Memory Management
Under IIS4, if an ASP script header.asp is included in 20 pages, these 20 headers will be retained in the memory when running. Compiled copy of .asp, IIS5 solves this problem, but only windows2000 supports IIS5. Due to the incompatibility of IIS5, many ** still have to use low-level memory management under IIS4
In PHP, this problem does not exist. Only when required, will an include file be called
3. MySQL makes PHP more exciting
The combination of PHP and MySQL is simple And wonderful. PHP has many tools for managing and maintaining MySQL, and its support for MySQk is the most comprehensive. Many useful functions such as mysql_insert_id and mysql_affected_rows are not available in other databases.
ASP and PHP are both ideal solutions for medium-sized websites, but the close integration of PHP with MySQL makes PHP even more superior. MySQL is faster than Microsoft Access, and Mssql and Oracle are faster than MySQL, but the cost is higher.
4. No worries
One of the things I hate very much is buying a product that you are not sure about. For example, when you buy a car, but because the engine is broken, You need to replace it; when you buy a house, you have to fix a leaky roof. Then ASP is like these products. When you buy ASP, if you need encryption technology, you have to buy ASPEncrypt; when you need email management, you have to buy ServerObjets Qmail; when you need file upload, you have to buy Artisans SA-FileUp.
5. Bug handling
Have you ever asked Microsoft to modify some bugs in ASP? If you are not an organization like Boeing, you cannot get quick and appropriate modifications, what? When you encounter a bug and stop working, if the bug is not corrected, you will not be able to continue your work. In PHP, when you find a bug, you can modify it. If you are not an expert, you can ask an expert to modify it, and your modification will be accepted and recognized by the open code organization.
6. The programming style of Java and C
This advantage is just an opinion. I know you won't believe that a Visual Basic programmer would switch to PHP because it has Java and C programming styles, but you will believe that there are many people who still prefer Java and C, and PHP is a programming style with both languages. style easier to learn language. PHP supports structured programming, while VB uses fewer classes because of its inheritance. PHP's inheritance like Java and C makes a large program full of shadows of classes.
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