php skills

This article mainly introduces php's method for accurately obtaining the object MIME type, and involves php's related techniques for file attribute operations, for more information about how to obtain the MIME type of a file, see the example in this

This article mainly introduces the UDP communication method of PHP Socket communication, and analyzes the related skills of php socket-based UDP communication, for more information about PHP Socket communication, see the following example. Share it

This article will share with you the code that uses php to generate a verification code image containing numbers and letters. it is very simple and practical. if you need it, you can refer to php to generate a verification code Image for numbers and

It is estimated that many programmers will not think about the php session concurrency problem, because we generally do not use the session for concurrent operations, but sometimes it may also be used, today, we will briefly talk about this problem.

This article describes how to use PHP + Javascript to enable online photography. it involves the use of javascript plug-ins and php image Upload implementation skills. it has some reference value, for more information about how to use PHP and

Verification code is a security protection mechanism. manual verification is required during registration. the implementation of the image verification code is very simple, interested friends can refer to this article to share with you how to

This article mainly introduces the PHP file Upload class, and analyzes the PHP file Upload implementation code and related usage skills in combination with the instance form. For more information, see the example in this article. We will share this

In recent projects, we need to use hexadecimal conversions. this problem was very good when we first came into contact with computer theory. we haven't used it for a long time. it's actually blurred ...... To convert from decimal to other

This article describes in detail the PHP Serialization object injection vulnerability analysis and the use of PHP Serialization object injection vulnerability, interested partners can refer to this article for a short article on PHP

This article mainly introduces the related issues of php time computing, and summarizes and analyzes common php operation skills on time and date in the form of examples, which has some reference value, for more information about php time computing,

This article mainly introduces how PHP uses built-in functions to generate images, and analyzes in detail the steps and implementation skills of php image generation based on the instance form, for more information about how PHP uses built-in

This article mainly introduces php Reflection ReflectionClass usage, and analyzes the concept, functions, and usage of php Reflection class in detail based on the instance form, for more information about php Reflection ReflectionClass, see the

This article mainly helps you understand php dependency injection and control reversal. if you are interested, you can refer to the following questions to understand the two concepts of php dependency injection and control reversal: DI --

I am engaged in php development and want to read more technical, summative, and experience-sharing books to further improve myself. I wonder if there are any books in this regard? I found it on the Internet and thought the book "code Daquan" is more

From the browser, the header (location) is used to jump to another page, but in fact, php will still execute the background code, if the following code has insecure logic, then, we directly ignore the conditions set by the developer and continue to

As mentioned above, the PclZip method for php to package compressed files. Today, another simpler method is to use ZipArchive to compress files. As mentioned above, the PclZip method for packaging compressed files in php is another simpler method

Over 3 million internet website administrators around the world are using PHP, making it one of the most popular server-side scripting languages. It features fast running, stable and reliable, cross-platform, and open source software. With your

This article introduces three common php design modes: Singleton mode, Factory mode, and observer mode, which are of great reference value, next, let's take a look at the small series. This article introduces three common php design modes: Singleton

This article mainly introduces php's method of implementing reversible encryption, and draws on the discuz's encryption principle to implement the function of performing reversible encryption through keys, which has some reference value, for more

This article describes how to use the mb_detect_encoding function in PHP, including converting and judging string encoding and solving the Calltoundefinedfunctionmb_detect_encoding () error, you can use the mb_detect_encoding () function in php to