What is Cross Site Scripting (XSS). How to prevent this vulnerability in code.
XSS commonly known as cross-site scripting is a code injection technique or attack. In XSS user can inject any malicious HTML, Javascript or any other client side snippet on a web application. It is one of the major security attack after Sql Injection.
MongoDB is an open-source document-oriented database. Document-oriented means it stores the data in a file. MongoDb comes under the category of NoSql database. It stores the data in BSON (Binary JSON) format. It can be accessed through javascript notation and comes with their own shell. It is written in C++.
What’s the difference between single & double quotes in PHP. This question is generally asked in interviews to check how well you understand the concepts. Also if you know the difference it will help you in your day to day programming.
In PHP you can specify the strings using four different ways single quotes , double quotes, heredoc and newdoc syntax. But most of the time single & double quotes is used to specify strings.