Summary of common functions of the php gd image processing component

Summary of common functions of PHP image processing component GD -- Overview PHP has a series of powerful graphic processing functions that are uniformly included in the GD library. These functions have basically met the conventional image

PHP access data connection and reading and saving and Editing data implementation code

CopyCode The Code is as follows: $ conn = new COM ("ADODB. Connection "); $ Connstr = "driver = {Microsoft Access Driver (*. mdb)}; DBQ =". realpath ("www.jb51.net/db.mdb "); // The COM interface is required for connecting to access. $ Conn-> open ($

PHP and regular expression tutorial set second page 1/2

Regular Expression Quick Start (2) [Introduction] In this article, we mainly introduce subpatterns, Back references, and quantifiers) In the previous article, we introduced pattern modifiers and metacharacters of regular expressions. Readers may

Execute C/C ++ applications on the Web in PHP

Execute C/C ++ applications on the Web in PHP and read the C/C ++ applications executed on the Web in PHP. 1. introduction if you know something about Unix/Linux, you should know that most of them come with C and C ++ compilers, respectively GCC and

PHP programming in UTF8

For Chinese PHP programming under UTF8, read Chinese PHP programming under UTF8. To be honest, sandal also thinks UTF8 is a good thing ...... After all, the screen shows that China, Japan, and South Korea are very attractive to East Asians ......

WordPress theme tutorial (4): Start template creation

Step 1: create a folder named Aurelius under the WordPress topic directory wp-content \ themes \, and create the style.css and index.html downloaded by htmlstatic templates. A WordPress topic contains at least two files: Style.css Index.

Differences between PHPv5.3 and PHP5.2

PHPV5.3 has been released for a long time. The "New Features in PHPV5.3" series will continue to introduce the exciting new features provided by this release. Part 1 introduces the changes made to object-oriented programming and object processing in

PHP obtains client operating systems, browsers, languages, IP addresses, IP address locations, etc.

PHP obtains client operating systems, browsers, languages, IP addresses, IP address locations, etc. Class Client {// Obtain the function Get_Browser () {if (! Empty ($ _ SERVER ['http _ USER_AGENT ']) {$ br = $ _ SERVER ['http _ USER_AGENT']; if

Brief introduction to ThinkPhp email sending class

In thinkphp learning, there are often many problems. mailbox sending problems will be used and involved continuously during the development of large websites. below we will talk about the two email sending mechanisms. Thinkphp often encounters many

Getting started with installing and using a PHP template using Smarty

PHP blog, PHP technical blog, PHP template-based Smarty usage, PHP template-based Smarty installation, how to configure smarty, smarty tutorial, smarty installation and use, and how to configure smarty When using PHP to develop large and interactive

Description of Sina Weibo open platform PHP WeiboClient

After preliminary understanding of the weibo application development process, we recommend that you read the code in weibooauth. php and read the definition of public methods in classWeiboClient first. These methods are used to directly operate

PHP Basics PHP file operations-open a file

In general, operations on a file are divided into: open a file, read or write a file, and finally close the file. Today, let's talk about the first step of file operations: opening a file. To open a file in PHP, you can use the PHP built-in function

How to configure phpmyadmin empty password logon

In the command and method for changing the root password of Mysql, I mentioned how to use phpmyadmin to change the root password of Mysql, however, when you run phpmyadmin in the command and method for changing the root password of Mysql, I

Use JavascriptHelper in CakePHP to convert the PHP array to JSON

The output result of the more complex Cheesecake-PhotoblogfindAll method is as follows (PHP): a frequently asked question in Google Groups is: how to pass a PHP array Javascript. The answer is to convert the PHP array to JSON. There are several

Fully blocking SQL injection attacks in PHP III

Fully block SQL injection attacks in PHP 3. read fully block SQL injection attacks 3 in PHP, 1. to create a security abstraction layer, we do not recommend that you manually apply the technology described above to each user input instance. Instead,

21 common PHP function code segments

1. PHP readable random string this code creates a readable string that is closer to the word in the dictionary and is useful and has the password verification function. /************** @ Length & amp; ndash; lengthofrandomstring (mustbeamultipleof2)

Adjust the image size proportionally (non-generating thumbnails)

& Lt ;? /** Adjust the image size proportionally (non-generated thumbnails) @ paramstring $ img Image path @ paramint $ max_w max zoom width @ paramint $ max_h max zoom height */functionchImageSize ($ img, $ max_w, $ max_h) {$ size =... ">

Php core technology-array usage

Array: a data type. Set type. A set of data of the same type. An ordered set of key-value pairs. Key/value pairs. An array is composed of elements: an element is a set of key-value pairs. The value of the key element. Traverse: process all array

Accelerate MySQL index analysis and optimization for PHP dynamic websites

Accelerate the MySQL index analysis and optimization of PHP dynamic websites. Read the accelerated PHP dynamic website's MySQL index analysis and optimization. This article mainly describes how to accelerate the MySQL index analysis and optimization

Ajax + PHP getting started

Ajax + PHP simple Getting Started Tutorial, read Ajax + PHP simple Getting Started Tutorial, Ajax consists of HTML, JavaScript technology, DHTML and DOM, this outstanding method can transform clumsy Web interfaces into interactive Ajax applications.

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