PHP

First, let's understand the above three keywords: this, self, and parent, which are literally easy to understand. It means this: yourself, Father, haha, it's fun, let's first establish several concepts. Where are these three keywords used? This is a

Although the LAMP combination is good, if you want to set up a Web virtual host server that supports both PHP, ASP, ASP. NET, JSP, and Perl, Windows 2003 IIS 6 is the best. There are many articles on how to configure PHP on IIS 6 on the Internet,

The power of apache has finally exceeded my imagination. It's just a bit of water that touched on php, and it's just an explosion on the basis of my original knowledge base, like the "Avalanche Breakdown" of the pnknot, I think of the unlimited

Copy codeThe Code is as follows:$ Str = file ("http://tq.tom.com/china/index.html ");$ Count = count ($ str );For ($ I = 0; $ I $ File. = $ str [$ I];}$ Tomtq = explode (" ", $ file );$ Tomtq = explode ("", $ tomtq [1]);$ Tomtq = $ tomtq [0];// $

You can use this command to get the default buffer size of the mysqld Server:Shell> mysqld -- helpThis command generates a table with all mysqld options and configurable variables. The output includes the default value and looks like this:Possible

Copy codeThe Code is as follows:Function strSplit ($ s, $ len ){$ End = '... ';$ Result = '';$ StrLen = strlen ($ s );If ($ strLen Return $ s;}$ Len-= 2;For ($ I = 0; $ I $ C = $ s [$ I];If (ord ($ c) $ Result. = $ c;} Elseif ($ I + 1 $ Result. = $

SITE STRUCTURECode:SiteRegionregiondesCATEGORY class. inc┣ Templet┗Index.htm┣List.htm┗Content.htmUsing index. phpInvalid content. phpDatabase StructureCode:-- Database: 'test'-- Table structure 'test'Create table 'test '('Id' smallint (3) not null

Learning PHP cannot help but mention SMARTY. As a famous template program, SMARTY naturally has its advantages. The following is my learning experience!============================================First download the latest smarty in smarty.php.netPut

Copy codeThe Code is as follows: file decompression management // In PHP versions earlier than 4.1.0, $ HTTP_POST_FILES shocould be used instead// Of $ _ FILES.If (isset ($ _ POST ["Submit"]) {Echo "FileName:". $ _ POST ['unpackfile']. " \ n ";Echo

To understand MySql, you must keep in mind its architecture. Mysql is composed of SQL interfaces, Resolvers, optimizers, caches, and storage engines.     1 Connectors refers to the interaction with SQL in different languages 2 Management Serveices &

Copy codeThe Code is as follows:Setcookie ("username", "bu", time () + 3600 );Echo "aaaaa ";?>Run with warningWarning: Cannot modify header information-headers already sent Below are suggestions from others Method 1:There are some restrictions on

The Code is as follows:Copy codeThe Code is as follows:// The observed abstract classClass Observed implements SplSubject {Protected $ _ name;Protected $ _ observers; // Instantiate to generate an observer objectPublic function _ construct (){$ This-

Function, all languages are available, so here only focus on:1> definition: php does not need to define the return value type.2> the function name is case-sensitive. However, when calling a function, it is usually defined in the same format.3> all

As we all know, different characters are encoded in different memory bytes. For exampleASCII characters occupy 1 byte, UTF-8-Encoded chinese characters are 3 bytes, GBK is 2 bytes.  PHP also comes with several string truncation functions, including

Declaring class members or methods as static makes them accessible without needing an instantiation of the class. A member declared as static can not be accessed with an instantiated class object (though a static method can ).Declared static class

When multiple mysql statements are connected, such $ Sqls = "insert table a values (1, 2); insert table a values (2, 3 );" You can use three methods in php to execute the command: Mysql_query Pdo Mysqli Three methods are available when sqls

A txt file contains 0.1 million records in the following format: Column 1 column 2 column 3 column 4 column 5A 00003131 0 0 adductive #1 adducting #1 adducent #1A 00003356 0 0 nascent #1A 00003553 0 0 emerging #2 emergent #2A 00003700 0.25 0

Generally, after gzip compression is enabled for a page file, the size of the page file can be reduced by 60% ~ 90%. For text sites, you can save a lot of bandwidth and user waiting time. However, both iis and apache only compress html static files

As we all know, PHP has many built-in functions, which is also an important reason for using PHP to greatly improve development efficiency. There are many methods to obtain the location of elements in an array, among them, PHP itself has a built-in

Copy codeThe Code is as follows:$ Sql3 = "create temporary table atmp_table (uid int (11), dnum int (20) not null )";Mysql_query ($ sql3 );$ Sql3 = "INSERT into atmp_table (uid, dnum) SELECT uid, count (soid) as dnumFROM 'cy _ score2'Where (nei =