PHP

Memcache is a high-performance distributed memory object cache system that can store data in various formats, including images, videos, files, and database retrieval results. 1. Introduction to Memcache Memcache is a high-performance distributed

This article mainly introduces PHP's Json Chinese processing solution, which involves php coding and conversion related operation skills and has some reference value, for more information about PHP Json processing solutions, see the following

The substr () function is used to intercept strings, but there may be problems with Chinese characters. the mb_substr () and mb_strcut functions can be used. The following describes the usage of substr () the function is used to intercept strings,

There are roughly the following methods to intercept floating point in php. For more information, see php. FloatThere are roughly the following methods: 1. float round (float $ val [, int $ precision]) returns the result of rounding val based on

In many cases, the string truncation function is required. it is not enough because of the encoding problem between gb2312 and UTF-8, the following are the specific implementation methods and the code extracted from some mature systems. 1. Chinese

This article mainly introduces the combination of PHP + Jquery and ajax to achieve the pull-down and fade-out waterfall effect [no plug-in required]. For more information, refer to the following guide: Waterfall flow, also known as waterfall flow

With PHP, you can upload files to the server. Some image judgments are added. if the file type is not determined, files in any format can be uploaded. For the sake of website security, php files will not be uploaded. if someone enters your

When you write php code, the @ symbol is always added. do you know what it means? The following small series will share with you the role of the @ symbol. if you need it, you can refer to the @ symbol before some code lines when you are working on a

This article mainly introduces the Yii Framework pop-up box function, and analyzes the implementation skills of the Yii Framework pop-up box based on the instance form. if you need it, refer to the example below to describe the Yii Framework pop-up

Recently, a large amount of data was collected, but the collected data basically needs to be filtered out from the data retained by the original site. IMG is a place. There seems to be no need to show many examples of these applications on the

This article mainly introduces the meaning of u, I, and s in PHP preg_match regular match. This article explains the meanings of these three parameters, respectively, for more information, see/u/I/s for preg_match regular matching in PHP. /U

What is the greedy regular expression and what is non-greedy first? Or what is the matching priority measure and what is the ignoring priority measure. well, we will introduce the efficiency greedy, non-greedy, and backtracking analysis of PHP

This article describes how to match a single character in the regular expression tutorial, and analyzes common techniques and precautions for matching a single character in the form of examples, for more information about how to match a single

This article mainly introduces common php regular expression functions, and summarizes and analyzes common php regular expression functions in combination with examples, including the functions, usage methods, and precautions of the preg_replace,

This article mainly introduces laravel5.2's method for distinguishing between frontend and backend user logon. it is very good and has reference value. if you need it, refer to section 1. frontend logon. Directly use the auth provided by

This article mainly introduces PHP recursive traversal of multi-dimensional arrays to achieve unlimited classification. it involves PHP recursive traversal of arrays related techniques and is very useful in linking menus and parent and child columns

In php, it is very easy to implement file upload. but if we want to upload multiple files at a time, how should we compile the code ?, If you need it, refer to the following section to explain the implementation methods. To upload multiple files,

The following is a simple implementation of PHP file uploading and video using FTP. I think this is quite good. now I will share it with you and give you a reference. Let's take a look at File 1: ftp. php. '', 'Username' =>'', 'password' => '',

The array_unique () function of PHP allows you to pass an array, remove duplicate values, and return an array with unique values, this article describes how to implement PHP array de-duplication quickly. For more information, see this article. The

This article mainly introduces frequently used PHP encapsulated paging tools for reference. if you are interested, you can refer to paging, which is usually used by every project, therefore, encapsulate it into a tool class and call it directly in