Monthly Archives: February 2018

Top 15 Core PHP Interview questions and answers for freshers ?

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php interview questions

 

(Image Source Pixbay)

PHP is a common language that helps a fresher candidate to get a job easily. A large number of jobs are available in the software market in PHP, but still, for this, you need some basic knowledge in order to qualify for the minimum technical qualification.

Here are a PHP Interview Questions which will help you to win interview session easily.

1.What is PHP and you tell me Something about PHP?

PHP is a server-side scripting language commonly used for creating dynamic web applications. PHP has their Code frameworks for example like(Laravel, Zend, CodeIgniter, Symphony, CakePHP) and Content Management Systems(WordPress, Drupal, Joomla) and ECommerce Platforms for Creating websites.

2.What is the use of “echo” in php?

It is used to print a data in the webpage, Example: <?php echo ‘Car insurance’; ? >, The following code print the text on the webpage

  1. How to include a file to a php page?

We can include a file using “include() ” or “require()” function with file path as its parameter.

  1. What’s the Main difference between the include() and require() functions?

They both include a specific file but on require the if the file can’t be included, a process will exit with a fatal error but in the same case in include statement may still pass and jump to the next step in the execution.

  1. What’s the Main difference between unset() and unlink()

unset() is used to destroy a variable whereas unlink() is used to destroy a file.

  1. require_once(), require(), include().What is the difference between them?

require() includes and evaluates a specific file, while require_once() does that only if it has not been included before (on the same page). So, require_once() is recommended to use when you want to include a file where you have a lot of functions for example. This way you make sure you don’t include the file more times and you will not get the “function re-declared” error.

 

  1. Differences between GET and POST methods?

We can send 1024 bytes using GET method but POST method can transfer a large amount of data and POST is the secure method than GET method.

  1. How will you declare an array in php?

you can declare an array in php like in this way

var $arr = array(‘Php’, ‘java’, ‘ruby’)

 

  1. How can we retrieve the data in the result set of MySQL using PHP?
  2. mysql_fetch_row
    2. mysql_fetch_array
    3. mysql_fetch_object
    4. mysql_fetch_assoc

10.What is the difference between Session and Cookie?

The main difference between sessions and cookies is that sessions are stored on the server, and cookies are stored on the user’s computers in the text file format. Cookies can’t hold multiple variables while session can hold multiple variables.We can set expiry for a cookie, The session only remains active as long as the browser is open.Users do not have access to the data you stored in Session Since it is stored on the server.Session is mainly used for login/logout purpose while cookies using for user activity tracking

  1. How to set cookies in PHP?

Setcookie(“sample”, “ram”, time()+3600);

  1. How to redirect a page in php?

The following code can be used for it, header(“Location:index.php”);

  1. What is the use of isset() in php?

This function is used to determine if a variable is set and is not NULL

  1. What is the use of “enctype” attribute in an HTML form?

The enctype attribute determines how the form-data should be encoded when submitting it to the server. We need to set enctype as “multipart/form-data” when we are using a form for uploading files

  1. How will you generate random numbers using PHP?

The rand() function in PHP is used for generating a random number. This function can generate numbers within a given range.

 Source : phpinterviewquestions , technologyshouters

What Is Digital Marketing and How to Become a Digital Marketing Expert ?

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digital marketing

Nowadays everything is gradually increasing the world of digital marketing, marketing is a very important theme today, the way we use offline advertising by promoting pamphlets, posters, banners, and so on. Digital marketing is also done The main purpose of digital marketing is to reach more and more people, but with digital marketing, you can reach the global market at a lower cost. Because we have all this on the internet that caters to everyone’s online needs.

What Is Digital Marketing?

In the simple words, marketing on search engines, websites, blogs, social media, email, and TV media is called digital marketing, a way to access your product online through online internet, in which you can find mobile and Digital equipment such as computers can promote your product or brand all over the world Digital marketing is the part of internet marketing from which you can get the most from the internet world. With the boost from faster business marketing, This is what we call digital marketing or online internet marketing.

Types of Digital Marketing?

Today, the use of online digital marketing in the e-commerce business trend is increasing. Your marketing expansion is growing very quickly in online digital marketing in digital marketing, whether it’s nationally or internationally if you start your business in Digital Marketing. So, the following marketing names are very important for boosting your business.

  • Social Media Marketing- Social media marketing refers to the process of getting traffic or attention through social media sites. Social media is a catch-all word for the site itself, which can provide fundamental social functions. For example, Twitter and Facebook is a social site designed to allow people to share small messages or “update” with others.

 

  • Content Marketing-A type of marketing that involves creating and sharing online content (such as video, blogs, and social media posts) that does not explicitly promote a brand, but its purpose is to encourage interest in its products or services.

 

  • Display Advertising – In this type of advertise, we make 10-20 seconds of video, gif image, banner ads, and we highlight our product.

 

  • Search Engine Marketing (SEM) – Search Engine Marketing is a type of internet marketing that allows websites to increase the visitor through advertisements via search engine results, SERP.

 

  • Affiliate Marketing- A marketing system by which an online retailer pays the commissions on the external website for traffic or sales generated from your referrals.

 

  • Email Marketing- Email marketing is a very user-friendly and cost-effective marketing form. It is used extensively throughout the world, allowing the business to come in contact with and directly to their customers. A quality email campaign can generate sales and brand awareness quickly, in simple words, email marketing is a very clear form of marketing and is cost effective if done correctly.

 

  • Mobile Marketing- Mobile marketing is a trending marketing technique that marketers are adopting as a future marketing weapon for their products or services. All those marketing activities that create a bridge between an advertiser and consumer through mobile devices such as smartphones, tablets, PDAs, and connections, are considered as mobile marketing techniques. Currently, more and more people are now using mobile because of the trend of mobile marketing as an SEO strategy.

 

  • Video Marketing – Video Marketing is a new type of internet marketing and advertising in which businesses create short videos about 2-5 minutes of specific topics using content from articles and other text sources. Videos are then uploaded and distributed on various video sharing sites like Youtube, Vimeo etc.

 

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What Is Web Designing and What is process to learn?

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web design

1. What Is Web Designing?

Creating a website on the Internet is like building a house, like buying a house before we buy a house, in the same way, before buying a website we buy the hosting on which our website is built, after which we design a website like a house And by looking at that map, we build the whole house, just as the website design is given a complete website When we create, update, or plan any website, we call it Web Designing.
Web Designing has two parts: Front End Web Design and Back End Web Developer.

2. What is Front-end Web Design?
As the name suggests, Front End Web Design delivers in front, i.e. from the part that is visible to the user.
When we open any website, whatever happens in front of us is the work of Front End designer. Our aim from Front End Web Designing is not just to beautify the website, through web designing, we have to keep in mind what to add to what makes visitor coming to our website is not a problem.
If we compare it with a car then the work of Front End designer is to beautify the car, it does not make sense with the engine, the battery engine inside the car is the job of all the Back End Developer.

3. What Is Website Backend?

Web Developer creates the brains of the website, such that if a form is filled out on the website then who should reach it, if someone enters the ID/password, then what kind of profile should open such things.
The work of the Back End Developer is not visible to the visitor, but without the backend, a great website cannot be created.

4. Where to start?
Many people ask these questions, I tell you to step by step today what to do.
Start learning HTML.
Simultaneously learn basic things like photoshop, photoshop does not need to go much advanced. Beshear should just come.
When your hand starts running in HTML, then you have started learning CSS.
Create something by using HTML / CSS every day
After learning HTML / CSS thoroughly start learning JavaScript.
Know basic javascript

Then start PHP, and look at making some projects.

Learn to create websites on WordPress

Now make a simple project by using PHP and DataBase as well. After doing so much, you will become a good web design for the level. After so much skill, you can earn money in dollars by freelance word on the internet. Or you can apply for a job in a good company.

Web Designing is a skill that will be very demanding in the future. Hard work will be done to go to the Expert level.

If you still have a question about Web Designing, then comment below”Do you want to learn Web Designing? W3webschool on of the best and low-cost Web Design Training In Kolkata also Online Web Design Training India Join Us today and fulfill Your Dream.”