某个公司的PHP面试题
- PHP中文网Original
- 2016-05-23 08:39:001896browse
1. 输出内容是什么？ `echo count("hello");`
2. 请解释下？`private public protected`
3. `strtotime("-1 day") strtotime("yesterday")的区别?`
4. `isset(false)输出什么? == 与 === 的区别?`
5. cdn的作用?
6. bash下输出某个文件的最后100行？PHP原生输出文件的最后100行？
7. 有一张5000w个用户的表，请建立一个互为好友的表结构？
8. 消息队列的应用场景？
9. echo PHP_SAPI;输出的内容？
10.如何防止sql注入，及XSS攻击?
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