Php Draw Line

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PHP Draw 3D pie chart class function

The following about the PHP tutorial 3D pie chart Class drawing class function implementation principle is based on//ellipse long axis and other parameters to draw a 3D pie graphics code.  Class chart{var $a;//elliptic long half axis var $b;//elliptic short axis var $DataArray; Each sector of the data var $ColorArray; The color of each pie is required to be written in hexadecimal but not preceded by 0x/edge and Shadow for black functio ...

PHP generates CAPTCHA pictures from getting started and proficient in tutorials

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

5 kinds of PHP generated swf file code

5 kinds of php tutorial to generate swf file code / * The following several php generate flash file code is generated from a simple swf file to generate flash animation files, each instance is a classic. * / / First open the php extension php_ming $ f = new swffont ('_sans'); $ t = new swftextfield (); $ t-> setfont ($ f); $ t-> setcolor (0, ...

Three PHP Chinese verification code generation and transfer method

Three PHP tutorial Chinese verification code generation and transfer method Generate Chinese verification code in PHP must be generated and generated verification verification code is not the same operation, because gd function only accepts utf8 format encoded text, so use php to generate Chinese verification Before the first code to be encoded conversion, operation iconph icon can be an instance of PHP. * / $ ch_str = "Chinese characters you want to generate Chinese characters"; $ str = array (); for ($ i = 0; $ i <strlen ($ ch_s ...

php create distortionless HD image implementation code

In the php tutorial to generate high-definition images must be used imagecreatetruecolor function to do, see below its usage imagecreatetruecolor (int x, int y) to create a black image of size and y, and its examples did not use Instead of adding the background color to the generated pixel, a color of the drawing is created directly using imagecolorallocate () * / / / Create image $ im = imagecreatetruecolor (...

Webmaster Anti-Black Tutorial: How to deal with search engine hijacking attacks

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Many sites have been hijacked by search engines, this is a very common way of hacking attacks. Webmaster in the background is not retrieved, but in search engine results can be seen. Point to open these results information, but jump to gambling, false ads, Taobao search page and other sites.   The consequences of this situation is very serious: User churn: Your site has done a lot of SEO optimization or bidding rankings, users can no longer find you through the search engine, this is a sad thing. Website ...

Learning and methods of programming

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall to talk about programming, many people first think of C, C++,java,delphi. Yes, these are the most popular computer programming languages today, and they all have their own characteristics. In fact, however, there are many languages that are not known and better than they are. There are many reasons for their popularity, the most important of which is that they have important epoch-making significance in the history of computer language development. In particular, the advent of C, software programming into the real visual programming. Many new languages ...

Destroyed the heart of the body as expected product manager

[Introduction]: From the interactive designer to product manager unknowingly two years, although the role has not completely transformed, but the mentality and methods of doing things have undergone a significant change. The biggest change in mentality is: owner mentality (ownership), goal-driven, there is no excuse. The product manager must be a proactive person. He is not a human resource. He has no power. But he also has to co-ordinate various resources so that various roles can meet their goals and meet their goals together. During the encounter difficulties and setbacks are also many, one of the difficulties lies in the technical ...

I understand Internet applications and enterprise application development

Some time ago, I wrote a blog about the topic, but I finished, I think I still did not talk about nature, this article is a sequel.   Internet Applications (Web sites or apps), and the essential difference between enterprise applications, should be discussed from the user. The internet is a strange user, the website for them is self-service system (similar to ATM machine), do not need, and can not be mandatory training for them, such as user registration.   So they have to be absolutely retarded and try to reduce the cost of learning. Enterprise application is the company's employees, with mandatory, and before, or system before the line, a ...

Interview: How to plan the holiday activities well

The 19th issue of Phpwind operation Counseling Online interview: How to do a good holiday activities planning Activities Name: Phase 19th phpwind Operation Counseling Online Interview Activities topics: how to do the planning of holiday activities interview time: 2010-9-1 14:00 interview guests: website operation consultant, hot book " Play earn your website "author Chen Guangfeng http://t.qq.com/fengable Dragon Lane activities Planning Editor Jiang http://t.sina.com.cn/1697640952 planning/Moderator: Millet ...

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