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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 tutorial to convert Chinese Pinyin code The original realization of this program is to convert the Chinese characters into the corresponding machine code, and then define the relative Pinyin, Chinese Pinyin conversion is just a matter of inquiry. $ d = array ("a", - 20319), array ("ai", - 20317), array ("an", - 20304), array ("ang", - 20295), ...

It would be faster to enclose the string in single quotes instead of double quotes. Because PHP searches for variables in double-quoted strings, single quotes do not. Note that only echo can do this: it's a "function" that takes multiple strings as arguments, Echo is a language structure, not a real function, so the function with double quotes). 1, if you can define the class method as static, as far as the definition of static, it will speed up nearly 4 times. 2, $ row ['id'] speed ...

In this lesson, we want to learn how to increase the intelligent processing capacity of the Web page. Basic functions Welcome to the third and final lesson of this tutorial. If you've learned the first and second lessons, you've mastered the basics of installing and programming MySQL and PHP. Here are some of the other functions of PHP that might be useful to you and make your development process simpler. 　　First, let's look at the document. You should know some basic concepts of the header file, right? The header file is an external file whose contents are included in the main program. ...

php tutorial multi-file upload code to achieve multi-file upload php This article uses the php multi-file upload class to achieve, and examples of multiple instances of php upload files Oh, multi-file upload is the most important attribute on the file must be in the form of an array Use foreach or for also read one by one Move_uploaded_file file upload to the server This multi-file upload Oh. * /?> <! doctype html public "- // w3c ...

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 ...

I have been unable to tolerate the slow pace of progress in programming learning, but I am always very inefficient learning, so from now on, in this series of blogs, accumulated record in the process of programming experience and reflection, hoping to really let themselves grow up quickly. Make up your mind, be patient, focus on the present, and be firm in your fear. The best way to learn other people's code is to step into the program to debug, understand the general framework and process, and then delve into the C language strlen () trap strlen () the role is to take ...

I believe you have seen in many places "Docker based on Mamespace, Cgroups, chroot and other technologies to build containers," but have you ever wondered why the construction of containers requires these technologies? 　　Why not a simple system call? The reason is that the Linux kernel does not have the concept of "Linux container", the container is a user state concept. Docker software engineer Michael Crosby will write some blog posts and dive into Docke ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall Problem description: Recently have SEO brother begged me to help will discuz forum post title get to the URL Inside, such as the post for "Why Flowers So Red", the corresponding address is weishenmohuazheyanghon ...

Use PHP to develop applications, especially web applications, often need to generate a random password, such as user registration to generate a random password, the user also need to reset the password to generate a random password. Random password is a string of fixed-length string, where I collected several ways to generate a random string for your reference. Method 1: 1, in 33 - 126 to generate a random integer, such as 35, 2, 35 will be converted to the corresponding ASCII characters, such as 35 corresponding to # 3, repeat the above 1, 2 steps n times, connected ...