PHP stands for Hypertext Preprocessor is a server-side scripting language. PHP is among one of the most popular programming languages in the World Wide Web. This server side programming language is highly flexible and loaded with many innovative features to create Dynamic websites. With PHP, you can simply build a website that is interactive for visitors to your site. There are many people that are programmers that can create PHP forms for their website without a generator, but not everyone can do. Some of the best examples of websites that are actually written in PHP are Facebook, Wikipedia, Quora, Google etc.
Read the best 100 interview questions and answers on PHP programming language. These questions are taken from various sources of the internet like StackOverflow, Github, Quora and other development and recruitment websites.
This PHP interview series designed is to provide the knowledge of basic and advanced concepts on PHP. Here you read answers of questions like Difference Between Sessions and Cookies, PHP File Operations, Types of Errors in PHP and more
PHP is one the most popular server side scripting languages that allow developers to create dynamic website.Our PHP interview questions tutorial will help you to crack interview on PHP scripting language easily.
Frequently Asked Questions on PHP Interview Questions
Yes, it is very easy to learn PHP. It is easy and familiar to web programmers and non web programmers. This language has its roots in C and C++. In this syntax is most similar to C and C++ language syntax. So, programmers find it really easy to learn and manipulate.It is diverse and can actually run on many servers.
If it's first language that you are learning, then probably not-at least not to a high level of competence. It really depends how much expertise level you want to get with it in that time scale and how much time and focus you’re willing to give it.
A PHP Framework is a basic platform that allows developer to develop website or web applications. In other words, it provides structure. By using a PHP Framework, you will end up saving loads of time and effort, stopping the need to produce repetitive and reusable code, and you will be able to build applications rapidly (RAD).
PHP is server side scripting language, where you need to write programming logic.
But HTML is a mark-up language, where you design a web page by writing bunch of Tags.
PHP code is executed on Server (Apache server). However, the PHP is processed and produces HTML code which the browser can then interpret. But HTML code will be executed at client machine. And it does not require any special tool to run(Just the browser).
HTML codes are static by default and they are always same, every time they are opened while PHP files are dynamic and the output might not always be the same.
A PHP session can be easily started by making a call to the session _start() function.These function first checks if a session is already started and if none is started then it starts one. It is recommended and wiseful to put the call to session _start() at the beginning of the page.A PHP session is used to store data on a server rather than the computer of the user which is useful when we are storing common data not user specific data.
Below are different steps involved in PHP sessions: