PHP

This article mainly introduces how to capture and save website images in php. it focuses on the method of matching the img tag and its src attribute regular expression, and encapsulates a php remote image capturing class, interested friends can

This article mainly introduces the relevant information about PHP's determination of the string length. if you need it, you can refer to the determination of the string length in the php program and use strlen. Method 1: $ Str = 'aaaaa'; if (

This article mainly shares with you a simple PHP file Upload class for beginners, which has some reference value. interested friends can refer to the examples in this article to describe PHP multi-file Upload classes, share it with you for your

PHP7 will be officially released in October 2015. PHP7 will be a major version update for the PHP script language. It will also bring about significant performance improvements and new features, as well as some outdated features. This version will

The advantage of perception hash is that it is simple and fast, and is not affected by image size scaling. The disadvantage is that the image content cannot be changed. In practical applications, more powerful pHash algorithms and SIFT algorithms

This article mainly introduces the php simple calendar function. instead of selecting a common calendar generated using js, it outputs a calendar table using php, interested friends can refer to the example in this article to describe the calendar

A few days ago, I came into contact with a seller's coupon function and needed a bar code. so I sorted out the information again. For more information, see 1. what is a bar code? Baidu Encyclopedia definition: barcode is a graphic identifier used

This article mainly introduces ThinkPHP2.x's defense against XSS cross-site attacks. The example analyzes ThinkPHP2.x's defense techniques against XSS cross-site attacks, which has some reference value, for more information about how ThinkPHP2.x

To improve work efficiency, ensure development effectiveness and rationality, and maximize the readability and reusability of program code, and improve communication efficiency, you need to edit a code specification. Why do we need to develop our

This article mainly introduces the simple application example of smarty, and briefly introduces the skills related to database query, array traversal, and data display by calling templates in smarty, which is easy to understand and has reference

After implementing the PHP pop-up dialog box, we usually need to return the original page or replace the original page with a new page. This article will explain the detailed code writing, for more information, see how many programmers use PHP for

This article describes how to generate a GIF dynamic image verification code in PHP. you often use the verification code on the registration page, for more information, see this is a program that uses PHP to generate GIF animations to implement

This article mainly introduces three methods for implementing the paging function in php. if you are interested, you can refer to the code directly. I hope you can read it carefully. Method 1: SQL query is performed by page. several functions need

This article mainly introduces PHP's implementation code for receiving json and inserting the received data into the database. if you need it, refer to a recent requirement. the front-end submits the json to the background, the background parses and

Because the company's website's user portraits were stored on its own servers, it was inconvenient to manage them. the newly added user portraits were uploaded to Qiniu for convenient and unified management, the leaders said they had migrated all

A variable is a variable whose name can be dynamically set and used. The syntax form is a special syntax of PHP, which is rare in other languages. This article will share with you a summary of php variable learning. if you are interested in php

This article describes how to install the Memcache cache in a 64-bit windows system. For more information about how to install the Memcache cache, see the latest introduction to Memcache. Therefore, you need to build a development and debugging

This article describes how to solve some common problems during WordPress migration, including backing up the plug-in through a recommended method to avoid more problems after migration, for more information, see 1. import database prompts that the

This article describes how to use thumbnails in WordPress and related techniques, including calling the first image of the article and setting feature images, there are many opportunities for users to use thumbnails on their blogs. they appear on

This article mainly introduces how PHP sorts two-dimensional arrays by specified key values. it involves traversing PHP two-dimensional arrays and using array_multisort functions, for more information about how PHP sorts two-dimensional arrays by