对用户RichKing临时禁止在PHP基础编程板块发帖的公告.
RichKing由于某个帖子和参与者产生矛盾，至此多次在自己的帖子内回复或者在他人的帖子内回复和技术无关的内容(针对版主的无关内容)，本人多次告知不要再谈论和技术无关的内容，有意见反馈到社区相关板块，但RichKing仍然未能赞同，所以本人做-禁止帐号在本板块发帖的限制。
如果对此有异议或者其他意见请反馈给社区管理层。
另外RichKing 你的帖子都是我删的，不要冤枉到老徐头上。
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怎么回事？求链接……
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链接在这里，版主，你要是删除这一帖，那你不如自己看看是不是有点标准不统一，看大版主xuzuning在我的问题帖里讨论的是不是技术问题？特别是我结帖三小时后再来挑衅，这是不是针对个人？真是只准州官放火不许百姓点灯了~
你看看大版主xuzuning，现在在各种帖子里说误导，但我当初说他误导有讲错么？大家可以看链接求真象！
我相信真象不怕暴光，只有垃圾才躲躲藏藏！
第一个回击帖（只有百度快照了）：
这里
原始问题帖：http://topic.csdn.net/u/20120928/11/123da298-b807-4061-8a6a-d186cfe293f8.html?51609
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看来百度快照不允许链接了，搜索词：“xuzuning php 删除我的帖”，第一条就是
When would you use a trait versus an abstract class or interface in PHP?Apr 10, 2025 am 09:39 AMIn PHP, trait is suitable for situations where method reuse is required but not suitable for inheritance. 1) Trait allows multiplexing methods in classes to avoid multiple inheritance complexity. 2) When using trait, you need to pay attention to method conflicts, which can be resolved through the alternative and as keywords. 3) Overuse of trait should be avoided and its single responsibility should be maintained to optimize performance and improve code maintainability.
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What is the Null Coalescing Operator (??) and Null Coalescing Assignment Operator (??=)?Apr 10, 2025 am 09:33 AMIn JavaScript, you can use NullCoalescingOperator(??) and NullCoalescingAssignmentOperator(??=). 1.??Returns the first non-null or non-undefined operand. 2.??= Assign the variable to the value of the right operand, but only if the variable is null or undefined. These operators simplify code logic, improve readability and performance.
What is Content Security Policy (CSP) header and why is it important?Apr 09, 2025 am 12:10 AMCSP is important because it can prevent XSS attacks and limit resource loading, improving website security. 1.CSP is part of HTTP response headers, limiting malicious behavior through strict policies. 2. The basic usage is to only allow loading resources from the same origin. 3. Advanced usage can set more fine-grained strategies, such as allowing specific domain names to load scripts and styles. 4. Use Content-Security-Policy-Report-Only header to debug and optimize CSP policies.
What are HTTP request methods (GET, POST, PUT, DELETE, etc.) and when should each be used?Apr 09, 2025 am 12:09 AMHTTP request methods include GET, POST, PUT and DELETE, which are used to obtain, submit, update and delete resources respectively. 1. The GET method is used to obtain resources and is suitable for read operations. 2. The POST method is used to submit data and is often used to create new resources. 3. The PUT method is used to update resources and is suitable for complete updates. 4. The DELETE method is used to delete resources and is suitable for deletion operations.
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