PHP Tutorials

Copy CodeThe code is as follows: function T_rndstr ($length = "") {//return random string $str = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"; if ($length = = "") { Return Str_shuffle ($STR); }else{ Return substr (Str_shuffle

This article source code download address: Http://xiazai.jb51.net/201007/yuanma/TraceLWord.rar Development environment for Eclipse (PDT) Let's focus on the middle service layer. Intermediate service layer code is relatively simple, just call the

Basic Factory class Copy CodeThe code is as follows: Class myobject{ Object will be returned from the factory } Class myfactory{ public static function factory () { return new MyObject (): } } $instance =myfactory::factory (); Parsing an image

1. How to create a PHP installation program In fact, the installation principle of the PHP program is nothing more than to import the database structure and content into the corresponding database, from the process to reconfigure the database

The plug-in method of the reflection API is implemented based on the functionality of the program at run time, that is, it allows for the creation of an optional interface method and detects this part of the interface method on first use, which is

1 Setting up a database, registry Copy CodeThe code is as follows: Create Database Db_register; CREATE TABLE Db_register.tb_register ( Reg_loginid varchar (primary key), Reg_name varchar () NOT NULL, reg_id int NOT NULL, Reg_password varchar ()

Copy CodeThe code is as follows: Class Cacheexception extends Exception {} /** * Caching Abstract classes */ Abstract class Cache_abstract { /** * Read Cache variables * * @param string $key cache subscript * @return Mixed */ Abstract public

Remember this function: Function Name: Ignore_user_abort Whether the PHP program continues to execute after this function has been configured or if the use End connection is interrupted. The default value stops when the connection is interrupted.

Copy CodeThe code is as follows: /* A function that determines whether a string exists */ function strexists ($haystack, $needle) { Return! (Strpos ($haystack, $needle) = = = FALSE);//Note the "= = =" Here } /* Test */ $mystring = ' abc '; $findme =

Copy CodeThe code is as follows: function Vcurl ($url, $post = ", $cookie =", $cookiejar = ", $referer =") { $tmpInfo = "; $cookiepath = GETCWD (). /'. $cookiejar; $curl = Curl_init (); curl_setopt ($curl, Curlopt_url, $url); curl_setopt ($curl,

Alter TABLE table1 ALTER COLUMN [name] varchar () NULL; Table1 Table Name Name field name why add [], because name is the SQL keyword will conflict error, so just in case. If the name field has already created an index, you must delete the index

Copy CodeThe code is as follows: $CN = mysql_connect (' 127.0.0.1 ', ' root ', ' root ') or Die (' Database connect fail '); mysql_select_db (' Test ', $CN); mysql_query ("Set names ' GBK '"); /* Create a database tutorial CREATE DATABASE ' test

1. In the case of file_get_contents instead of file, fopen, feof, Fgets and other series of methods, try to use file_get_contents, because he is much more efficient! But pay attention to file_get_ Contents PHP version problem when opening a URL file;

Method file Session implementation file: memcachedsession.php Implementation principle (also the implementation principle of PHP internal session): 1. First determine if the client has SessionID, A. Do not add a SessionID to the client, usually a 32-

Give the Select form a single name. Submit the form after submission in $_post or $_get mode $_post[' sel '] or $_get[' sel ') gets the value of the selected select Copy the Code code as follows: if ($_post) { echo $_post[' select ']; } ?>

1. Download xdebug binary file: http://www.xdebug.org/download.php 5.2 Http://www.xdebug.org/files/php_xdebug-2.1.0-5.2-vc6.dll 5.3 Http://www.xdebug.org/files/php_xdebug-2.1.0-5.3-vc6.dll 2. Find PHP.ini 3. If you have configured Zendoptimizer, you

Copy CodeThe code is as follows: /*—————————————————— */ – Get list data for an unlimited assortment /*—————————————————— */ function Get_sort ($parent _id=0, $n =-1) { Global $db; static $sort _list = Array (); $sql = "SELECT * from". $db->table ('

Upimages.class.php PHP Upload Class Copy CodeThe code is as follows: Class Upimages { var $annexFolder = "Upload";//Attachment storage point, default: Annex var $smallFolder = "small";//thumbnail storage path, note: Must be placed under the

1, download MYSQL5.1.48 source code, cmake,vs2008 2, install CMake and VS2008, decompression MYSQL5.1.48 to D:\mysql 3. Open CMD;CD D:\mysql 4. Run the command in cmd: WScript win\configure.js with_innobase_storage_engine

GB2312 Code: Copy CodeThe code is as follows: function Unescape ($STR) { $str = Rawurldecode ($STR); Preg_match_all ("/%u.{4}|& #x .{4};|& #d +;|.+/u", $str, $r); $ar = $r [0]; foreach ($ar as $k = = $v) { if (substr ($v, 0,2) = = "%u") $ar [$k] =