PHP

PHP switch break case use tutorial Switch in a lot of languages will have just the expression test is not the same, let's look at the break case /*1,600-800^2,800-1000^3,1000-1200^4,1200-1500^5,1500-2000^6,2000-3000^7,3000-5000^8,5000-8000^9,8000-1

Header ("content-type:text/html;charset=gb2312"); require_once (' inc/connect.php '); $xm = Isset ($_get[' txt '])? $_get[' txt ']: ' null '; $ta =isset ($_get[' tag '])? $_get[' tag ']:3; If ($ta ==1) {  if (Preg_match ("/^[". Chr (0XA1). -".

Public Function Removepic ($pic) {if (@unlink ($this->path $pic) && @unlink ($this->path.str_replace ($this->pre_thumb, $this->pre_ Pic, $pic))) {$this->pic_count--;return true;}else{$this->reporterr ($this->aerr[6]);Return "!        F "; Delete

Although PHP provides a number of useful functions, it may be necessary to extend programming in special cases, such as a large number of PECL (PHP Extension Community Library) are provided in an extended form (DLL file for dynamic link), which is

Class createhtml { function mkdir ($prefix = ' article ') { $y = Date ("' Y '"); $m = Date (' ' m '); $d = Date ("' d '"); $p =directory_separator; $filePath = ' article '. $p. $y. $p. $m $p. $d; $a =explode ($p, $filePath); foreach ($a as

Php verification code generation program [automatically determines the php gd Library]Function ShowKey (){$ Key = strtolower (domake_password (4 ));$ Set = esetcookie ("checkkey", $ key );// Whether the gd Library is supportedIf (function_exists

// Public functions// Converts degrees to radiansFunction deg2Arc ($ degrees ){Return ($ degrees * (pi ()/180.0 ));}// RGBFunction getRGB ($ color ){$ R = ($ color> 16) & 0xff;$ G = ($ color> 8) & 0xff;$ B = ($ color) & 0xff;Return (array ($ R, $ G,

As long as you install some third-party library files and have some geometric knowledge, you can use PHP to create and process images. Using PHP to create dynamic images is quite easy. Next, I will introduce how to implement it in detail.Install the

Php is easy to process file uploads, but if you want to scale the uploaded image, although GD can be usedComplicated processing is required. ImageMagick is an image processing package, which is available in common Linux software packages. It

A typical PHP thumbnail generator. Based on the GD library, you can specify the path to be generated and the width and height of the target.Usage: in the PHP environment that supports the GD Library, save the following code as resize. php for

Function send_check_mail ($ email, $ subject, $ uid, $ buffer){Echo "hello ";$ Command = "/var/qmail/bin/qmail-inject". $ email; // qmail program address. $ email is the address to be sent.$ Handle = popen ($ command, "w"); // open the pipelineIf (!

The code is as follows: Copy code Function send_msg ($ to, $ subject, $ body ){$ Send_addr = 'admin @ test.com '; // recipient's address$ Header = "from: admin "; // sets the email header.Ini_set

Mail ([recipient], [subject], [email subject], [header information]);You only need to replace the [receiver] with the next name in the list. Suppose you already have an array of email addresses:$ Addresses = array ("me@mycompany.com",

Smtp. phpClass smtp{/* Public Variables */Var $ smtp_port;Var $ time_out;Var $ host_name;Var $ log_file;Var $ relay_host;Var $ debug;Var $ auth;Var $ user;Var $ pass;/* Private Variables */Var $ sock;/* Constractor */Function smtp ($ relay_host = "",

Batch data inputDesign Method: submit multiple form records at the same time, set the same text domain name for each record, and then go to the form processing page throughLoop to read and extract the data submitted by the form, and finally add the

Relevant development documents are also available on the official website at http://open.weibo.com/wiki.The php sdk I downloaded here is directly used for web site applications.Download the SDK and configure the config file.  The code is as follows:

The code is as follows: Copy code $ Cookie_file = dirname (_ FILE _). "/renren. cookie "; $ Login_url = 'http: // passport.renren.com/plogin.do '; $ Post_fields ['email '] = '';

The principle is very simple: The session is recorded on the form page, and then submitted to the page for judgment. If it is equal, it is regarded as successful and the session is cleared.Example The code is as follows:Copy code // Enable

English: The code is as follows:Copy code Function tourl ($ str ){$ Str = pre g_replace ('/[^ a-zA-Z0-9] +/', '-', $ str );$ Str = trim ($ str ,'-');Return strtolower ($ str );} Contains special characters: The code is as follows:Copy code

Iconv (UTF-8, gb2312 // ignore, $ data)Ignore directly means ignore. In this case, the conversion error is ignored. Without the ignore parameter, all strings after this character cannot be saved.Conv is not the default function in the php Tutorial,