PHP Tutorials

Sometimes write a program when the background requires a large amount of data into the database, such as test scores, phone books and so on is generally stored in Excel data, then we can export Excel into a CSV file, and then through the following

Here is the source code, and its related explanations URL is the full picture address of the remote, cannot be empty, $filename is saved as the picture nameBy default, the image is placed in the same directory as this script.function Grabimage (

Constant detection uses defined, and defining constants is define. Note the constants to be detected need to use quotation marks (single and double), such as: The code is as follows if (defined (' Const_name ')) {Do something} Variable detection

Previous: DZ Forum core Code Analysis-core document Global.func.php This file is the core of DZ's brain-level files.The real analysis, in fact, is not much content. Most are conditional judgments and command class statements. Introduce a large

Help Home (www.Bkjia.com) tutorial starting with PHP5.1.2, PHP adds a new hash engine that provides up to 35 different hash algorithms, including the MD5 algorithm, SHA1 algorithm. Let's actually test the effect (PHP5): The following

If you want to store binary data, such as image files and HTML files, directly in your MySQL database, then this article is written for you! I'll show you how to store these files through an HTML form and how to access and use them. This article

Premise Need to determine if the remote URL is valid, remote URL including remote image, Web page, video and so on elements Workaround: Using PHP to resolve Use the File_get_contents function, but the pros and cons if the URL is unreachable, a

CURLA tool that uses URL syntax to transfer files and data, and supports many protocols, such as HTTP, FTP, Telnet, and so on. Best of all, PHP also supports the CURL library. This article describes some of the advanced features of CURL and how to

Today for everyone to serve to make PHP beginners Headache problem Summary, the following 14 questions to hope for PHP beginners helpful. 1. Variables cannot be passed between pages Get,post,session Automatic global variables are turned off in the

Many people don't know the difference between interfaces and abstract classes! Below I take my understanding to share with you! 1.php Interface Class: interface In fact, their role is very simple, when a lot of people to develop a project, it may

PHP has three ways to post data, namely curl, socket, file_get_contents: Take a look at the code below: /*** Socket version* How to use:* $post _string = "App=socket&version=beta";* Request_by_socket (' facebook.cn ', '/restserver.php ', $post

January 6 afternoon, posted online based on discuz! 7.1&7.2 vulnerabilities and related attack methods. For this, Phpchina emergency contact DZ Research and Development department, and in the shortest possible time for the Phpchina official forum

Fire Building Station College (bkjia.com) documentationThe Ubuntu system is up to date and does this before any action is made to ensure the stability of the system without some inexplicable phenomenon. $sudo apt-get Update $sudo Apt-get

The problem of Chinese coding in PHP programming has plagued a lot of people, the cause of this problem is actually very simple, each country (or region) has stipulated the computer information exchange with the character encoding set, such as the

Fire Station College (bkjia.com) PHP tutorialThe PHP program writes a bit of Chinese data in the cookie, while reading it in JavaScript does not display correctly? I believe many friends have encountered this situation, the day before the search,

What is the GD library? GD Library is a php processing graphics extension Library, the GD library provides a series of APIs for processing pictures, using the GD library can process pictures, or create pictures. The GD library on the site is often

Starting with the PHP5.2.10 version (now available in PHP5.2.10 and 5.3 two versions), there are none-thread safe and Thread safe two versions to choose from, what is the difference between these two versions, and how should they be chosen as users?

ID is a frequent occurrence of the site, it is generally a number, but we found that many of the current site ID are letters, such as YouTube's video playback page its URL is similar to/WATCH?V=YZNJIBEDYWW. Here's a way to generate a letter

Fire Building Station College (bkjia.com) PHP Documentation:Make a home page call image, sometimes need to get fixed-size image, because the image position of the home page is usually specified by the designer, if it is to do the latest release

　　 home of the Help (www.Bkjia.com) tutorial"PHP programmers, especially programmers who have grown up from php4 and even PHP3, are not accustomed to using the error-handling method of throwing exceptions. Although PHP5 introduced the exception