Programmer Think

1. There are several ways to merge two arrays. Try to compare their similarities and differencesMethod:1,array_merge()2,'+'3,array_merge_recursiveSimilarities and differences:array_merge simple merge arrayarray_merge_recursive merges two arrays. If there are exactly the same data in the array, they are merged recursivelyarray_combine and '+': m ...

I'm a sophomore student. The purpose of writing this article is to make a certain record of my knowledge and technology, and I'm willing to share it with you. Because of my shallow qualifications and limited ability, there are inevitably some mistakes and omissions in this article. Please also read this article for forgiveness and correction. I ...

In such a scenario, the php project needs to use a third-party function, and there happens to be a class library written in Golang. So the question comes, how to realize the communication between different languages? Let's have a look.   Conventional scheme 1. Write an http/TCP service with Golang, and php communicates with Golang through ht ...

It seems strange. Why are PHP and oracle? Generally, they are not PHP and Mysql. They are the golden partners 🤣， Everything comes from free. Oracle database is collected for free. As the saying goes, it's useless 🤩， Since there is this resource, it is like how to use it, and then start the whole process, because the articles on the netw ...

Before reading this article, you should have understood some concepts of RabbitMQ, such as queues, switches and so on.Introduction to delay queueMessages in a queue are consumed by consumers after being delayed for a period of time. Such a queue can be called delay queue.The application scenario of delay queue is very wide, such as: if there is ...

php features Reference blogs are still Nanshen blog web89 include("flag.php"); highlight_file(__FILE__); if(isset($_GET['num'])){ $num = $_GET['num']; if(preg_match("/[0-9]/", $num)){ die("no no no!"); } if(intval($num)){ echo $flag; } } Here is an intval function: get the integer value of the variab ...

PHP Deserialization Principle: the serialization string entered by the user is not detected, so that the attacker can control the deserialization process, resulting in code failure Execution, SQL Injection, directory traversal and other uncontrollable consequences. Some magic methods are automatically triggered during deserialization. When ...

There may be a lot of nonsense. It mainly records the process of finding loopholes from so many files Reference blog https://blog.csdn.net/rfrder/article/details/113924013 https://blog.csdn.net/miuzzx/article/details/111352849 https://rainy-autumn.top/archives/913 web301 Audit the loopholes written by the group leader three years ago se ...

Nanshen blog Command execution web29 preg_match : Match regular expression After pattern separator"i"Tag this is a case insensitive search In mode\b Mark a word boundary, so only independent words will be matched, such as: if (preg_match("/\bweb\b/i", "PHP is the web scripting language of choice.")) : True if (preg_matc ...

subject thinking View interface Open the title and we can see a website that can be operated only through the project management interface. The project management interface is as follows We see a source code link. The source code of the link is as follows <?php session_start(); if (!isset($_GET[page])) { show_sour ...