PHP

After downloading php, there will be two php. ini: php. ini-dist and php. ini-recommended during configuration. what is the difference? If you select a suitable version, the security level of php. ini-recommended is higher than that of php. ini-dist.

As mentioned earlier, we can use php to develop Shell programs. Some may ask: Isn't php used for web pages ?. Yes, php can be used for dynamic web pages, and php was originally developed for dynamic web pages, but php can be used for any program in

This article summarizes and analyzes the use of common php functions in detail. As follows: The code is as follows: /// ================================================ ======================================// Y returns the last two digits of the

This article provides a detailed analysis of how to use the pack, unpack, and ord functions of binary stream interface application instances. For more information, see pack, unpack and ord are powerful in processing binary bytes. Next I will

This article describes how to process, decode, and parse url strings in PHP. The following is a detailed example of base64_encode-encoding data using MIME base64. Base64_encode () returns uses base64 to encode data. This encoding is designed to

This article mainly introduces three methods of PHP two-dimensional array sorting and user-defined functions. For more information about sorting, see databases or nosql (eg: redis) sort the order first and then output it to the program for direct

This article mainly introduces several PHP uppercase/Lowercase conversion functions, which can be used to convert letters into uppercase/lowercase letters or all uppercase/lowercase letters. For more information, see converting the first letter of

This article describes how to use Codeigniter to upload multiple files and create multiple thumbnails. For more information, see the CI framework. This program can achieve:1. Upload 5 images at the same time2. generate two types of thumbnails at

This article mainly introduces how to figure out the PHP configuration file php. the ini path method is to use the phpinfo () function to output PHP information, and then find the ConfigurationFile (php. ini) This section of Path is enough. if you

This article mainly introduces PHP's convenient way to process a large number of form fields. This article describes how to use arrays to quickly and conveniently process large amounts of form data, for more information about the batch submission

This article mainly introduces the PHP5 full-version bypass open_basedir file read script vulnerability, which was proposed a long time ago (about five years ago) and still exists in the latest version, A friend who needs the vulnerability can refer

This article will develop weather queries that everyone cares about every day. for example, if a user sends a message "Huanggang weather", the user will return the real-time weather conditions of Huanggang, and the weather conditions in the next two

This article describes how to implement the website message board function in php, which is based on the Changyan message board and NetEase Post style. if you are interested, refer to the style that I want to implement, refer to the message boards

This article mainly introduces how PHP programming can improve programming efficiency (keep these 20 points in mind). If you need to use single quotation marks instead of double quotation marks to include strings, this will be faster. Because PHP

This article mainly introduces the usage of the PHP template engine Smarty built-in variable mediation, and analyzes in detail the definition and usage of common built-in variable regulators in Smarty based on the instance form, if you need it,

MySql counters, such as the number of clicks on a website, how to implement high-performance and high-concurrency counters MySql counters, such as the number of clicks on a website, and how to implement high-performance and high-concurrency counters

In php, the most commonly used error mechanism trycatch {} is used to handle errors that can be captured through instant noodles, however, in php, errors can be viewed and disabled in php. you can add an e... in php, the most common error mechanism

This article introduces in detail the example of a csv file quickly imported into a mysql database in php, although there are some flaws in the process from the simplest hundreds of MB to the last use of plug-ins to implement several GB data imports,

The following small series will bring you a perfect solution for the @ package warning and Error errors in the phpdoc export document. I think it is quite good. now I will share it with you and give you a reference. Let's take a look at the small

PHP Pixel Puzzle, Niu Ge is a programmer who claims to be a designer! When you get an image, you just want to unload it in eight parts, one pixel and one pixel to split it and see what color values the image contains. This php class floated away