循环出$_SERVER,出现一大堆变量未定义。解决办法
循环出$_SERVER,出现一大堆变量未定义。
foreach($_SERVER as $i){
echo $_SERVER[$i] . '
';
}
在页面上面加上了error_reporting(E_ALL & ~E_NOTICE);
它就什么都不显示了。
------解决方案--------------------
- PHP code
foreach($_SERVER as $i){ echo $i . '<br>'; } <br><font color="#e78608">------解决方案--------------------</font><br> 或者 <br>
- PHP code
foreach($_SERVER as $k => $i){ echo $_SERVER[$k] . '<br>'; } <div class="clear"> </div>

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Many users will choose the Huawei brand when choosing smart watches. Among them, Huawei GT3pro and GT4 are very popular choices. Many users are curious about the difference between Huawei GT3pro and GT4. Let’s introduce the two to you. . What are the differences between Huawei GT3pro and GT4? 1. Appearance GT4: 46mm and 41mm, the material is glass mirror + stainless steel body + high-resolution fiber back shell. GT3pro: 46.6mm and 42.9mm, the material is sapphire glass + titanium body/ceramic body + ceramic back shell 2. Healthy GT4: Using the latest Huawei Truseen5.5+ algorithm, the results will be more accurate. GT3pro: Added ECG electrocardiogram and blood vessel and safety

1. The difference between Iterator and foreach is the polymorphic difference (the bottom layer of foreach is Iterator) Iterator is an interface type, it does not care about the type of collection or array; both for and foreach need to know the type of collection first, even the type of elements in the collection; 1. Why is it said that the bottom layer of foreach is the code written by Iterator: Decompiled code: 2. The difference between remove in foreach and iterator. First, look at the Alibaba Java Development Manual, but no error will be reported in case 1, and an error will be reported in case 2 (java. util.ConcurrentModificationException) first

The steps for PHP to determine the number of the foreach loop: 1. Create an array of "$fruits"; 2. Create a counter variable "$counter" with an initial value of 0; 3. Use "foreach" to loop through the array, and Increase the value of the counter variable in the loop body, and then output each element and their index; 4. Output the value of the counter variable outside the "foreach" loop to confirm which element the loop reaches.

WindowsServerBackup is a function that comes with the WindowsServer operating system, designed to help users protect important data and system configurations, and provide complete backup and recovery solutions for small, medium and enterprise-level enterprises. Only users running Server2022 and higher can use this feature. In this article, we will explain how to install, uninstall or reset WindowsServerBackup. How to Reset Windows Server Backup If you are experiencing problems with your server backup, the backup is taking too long, or you are unable to access stored files, then you may consider resetting your Windows Server backup settings. To reset Windows

Why Snipping Tool Not Working on Windows 11 Understanding the root cause of the problem can help find the right solution. Here are the top reasons why the Snipping Tool might not be working properly: Focus Assistant is On: This prevents the Snipping Tool from opening. Corrupted application: If the snipping tool crashes on launch, it might be corrupted. Outdated graphics drivers: Incompatible drivers may interfere with the snipping tool. Interference from other applications: Other running applications may conflict with the Snipping Tool. Certificate has expired: An error during the upgrade process may cause this issu simple solution. These are suitable for most users and do not require any special technical knowledge. 1. Update Windows and Microsoft Store apps

In today's era of rapid technological development, programming languages are springing up like mushrooms after a rain. One of the languages that has attracted much attention is the Go language, which is loved by many developers for its simplicity, efficiency, concurrency safety and other features. The Go language is known for its strong ecosystem with many excellent open source projects. This article will introduce five selected Go language open source projects and lead readers to explore the world of Go language open source projects. KubernetesKubernetes is an open source container orchestration engine for automated

"Go Language Development Essentials: 5 Popular Framework Recommendations" As a fast and efficient programming language, Go language is favored by more and more developers. In order to improve development efficiency and optimize code structure, many developers choose to use frameworks to quickly build applications. In the world of Go language, there are many excellent frameworks to choose from. This article will introduce 5 popular Go language frameworks and provide specific code examples to help readers better understand and use these frameworks. 1.GinGin is a lightweight web framework with fast

Part 1: Initial Troubleshooting Steps Checking Apple’s System Status: Before delving into complex solutions, let’s start with the basics. The problem may not lie with your device; Apple's servers may be down. Visit Apple's System Status page to see if the AppStore is working properly. If there's a problem, all you can do is wait for Apple to fix it. Check your internet connection: Make sure you have a stable internet connection as the "Unable to connect to AppStore" issue can sometimes be attributed to a poor connection. Try switching between Wi-Fi and mobile data or resetting network settings (General > Reset > Reset Network Settings > Settings). Update your iOS version:
