PHP

/*----------------------Functions used to filter HTML code-----------------------*/Function htmlEncode ($ string ){$ String = trim ($ string );$ String = str_replace ("&", "&", $ string );$ String = str_replace ("'", "'", $ string );$ String =

1. generate random string functionsCopy codeThe Code is as follows:Function random ($ length ){$ Hash = @#@#;$ Chars =@# ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz @#;$ Max = strlen ($ chars)-1;Mt_srand (double) microtime () * 100

Function CreateShtml (){Ob_start (array ("callback_CreateShtml", "callback_GoToShtml "));}Function callback_CreateShtml ($ buffer){$ Page = intval (@ $ _ REQUEST ["page"]);$ FileName = $ _ SERVER ['document _ root']. dirname ($ _ SERVER ['php _ SELF

// Establish a database connection$ Link = mysql_connect ("localhost", "root", "wyh7ye ");; // Obtain the current page numberMysql_select_db ("test", $ link );If (isset ($ _ GET ['page'])... {$ Page = intval ($ _ GET ['page']);}Else ...{$ Page = 1;}/

Fsockopen spoofs the post and get methods. If you are looking for php processing code that spoofs the post and get methods, this is good.Copy codeThe Code is as follows:// Fsocket simulate post submission$ Purl = "http: // localhost/netphp/test2.php?

During development, we should pay attention to preventing SQL injection. Therefore, we must process the values submitted in the form to update the data to the database.Php functions. Any value can be passed for conversion.Copy codeThe Code is as

Input and OutputInput and output are the basic functions of many websites. User input data, website output data for others to browse.Take the popular Blog as an example. The input and output here is the Blog article page generated by the author

Mod_gzip is an Apache module that uses Gzip to compress static html pages. IETF-compliant browsers can accept gzip encoding (IE, Netscape, etc ). Mod_gzip can increase the page download time by 4-5 times. I strongly recommend that you use mod_gzip

$ Xml = simplexml_load_file ('example. xml'); // create a SimpleXML objectVar_dump ($ xml); // output XML?> $ Xml = simplexml_load_file ('example. xml'); // read the xml fileForeach ($ xml-> depart as $ a) // read each depart tag in XML data

Copy codeThe Code is as follows:Function resizeimage ($ srcfile, $ mySize ){$ Size = getimagesize ($ srcfile );Switch ($ size [2]) {Case 1:$ Img = imagecreatefromgif ($ srcfile );Break;Case 2:$ Img = imagecreatefromjpeg ($ srcfile );Break;Case 3:$

I have done a lot of products that crawl content from other websites and get used to using the convenient and fast file_get_contents function. However, I always encounter the problem of failed access, even though I set the timeout according to the

In many cases, in order to display the timeliness of information, the time is usually displayed as "just", "5 minutes ago", "3 hours ago", and so on, instead of printing the time directly. For Weibo, SNS applications use this function for the

The following php functions are the most commonly used project development functions of it Power. These functions are used in many projects and are also quite common.1. processing functions of the Request InterfaceCopy codeThe Code is as follows:/***

Serialize () and unserialize () are described in the php manual as follows:Serialize-Generates a storable representation of a valueSerialize-generate a representation of a stored valueUnserialize-Creates a PHP value from a stored

Copy codeThe Code is as follows:// Start to cache ImagesOb_start (); // enable the output cache to temporarily cache the output contentImagejpeg ($ newimage, false, $ quality); // output$ Data = ob_get_contents (); // obtain the cache YOU JUST

I. php running mode in apache Php is common in apache.Three working modes: CGI Mode, FastCGI mode, and Apache module DLLComparison:1. Comparison between CGI Mode and module mode:Difference between the two working methods of php in apache (CGI Mode

1. Client pages use AJAX technology to request serversAdvantages:The simplest and fastest way is to embed AJAX calls in the HTML code returned to the client, or embed an img tag. src points to the time-consuming script to be

// Add usersFunction AddUser ($ username ){Global $ db;$ Ip = getenv ('remote _ ADDR ');$ Ip1 = getenv ('HTTP _ X_FORWARDED_FOR ');If ($ Ip1! = "") & ($ Ip1! = "Unknown") $ Ip = $ Ip1;$ Current_time = date ("Y-m-d H: I: s ");$ SQL = "select user

I. 10 sentences1. do not rely ON the register_global = ON environment. From the day when you have just learned how to configure the php runtime environment and even do not understand the impact of register_global ON/off on yourself, we should be

Copy codeThe Code is as follows:/*Mysql_pager.class.phpThree parameters. Mysql_query () result, url variable page, the number of records per page you wantThe example is at the bottom of the file.Danshui Riverside Sorting Test*/Class mysql_pager {//