Ivan Dimov

Ivan is a student of IT, a freelance web designer/developer and a tech writer. He deals with both front-end and back-end stuff. Whenever he is not in front of an Internet-enabled device he is probably reading a book or traveling. You can find more about him at: http://www.dimoff.biz. facebook, twitter

Author's Posts

Cool HTM5 Features, Part 2 HTML 5

Cool HTM5 Features, Part 2

March 15th, 2026231207 The tel input type stands for telephone while the others should be self-evident. It is good to start using them where appropriate as there are subtle differences in the browsers when you use them. For example, on a mobile phone the tel input type might show the numbers first in the user’s browser and the date and time input types would...
Sanitizing input with PHP and JavaScript JavaScript

Sanitizing input with PHP and JavaScript

March 15th, 2026241992 In PHP, there are a variety of ways in which you can sanitize the user input, depending on your needs. The htmlspecialchars function allows you to transform every special character in HTML into text so that the user cannot enter code in his input. It is good to use the function when you want to show a user input, stored or coming from...
Working with APIs in PHP API

Working with APIs in PHP

March 15th, 2026342207 Let us say that we want to use the OpenWeatherMap API to display the weather in an arbitrary city. We could achieve this in the following way
Examining variable types in PHP PHP

Examining variable types in PHP

March 15th, 202610904 In PHP, there are a range of built-in functions which you can call to check variable types. They return a Boolean value - true if the variable is of that type and false if it is not.
Validation of HTML5 documents HTML 5

Validation of HTML5 documents

March 11th, 202639679 When creating pages, it is important for your website to be valid. That means there should be no errors in the HTML code of your webpages. This is not mandatory but it will provide a boost for your website; both in terms of consistency and search engine rankings.
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