I'm just wondering about a small problem I have. I'm creating a simple website with PHP, HTML and CSS. The user enters the dimensions of a rectangle into a form, and this all works perfectly. However, I'm unsure how to proceed.
The system should then use these dimensions (both stored as separate variables) to draw a rectangle of that size (in cm). The rectangle should be draw in a .pdf document, which the user can then download.
I'm a beginner, so sorry if there's anything wrong with this question.
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About the technologies asked in this question
PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license. https://www.php.net/
CSS (Cascading Style Sheets) is a formal language for describing the appearance of a document written using a markup language.
It is mainly used as a means of describing, decorating the appearance of web pages written using HTML and XHTML markup languages, but can also be applied to any XML documents, such as SVG or XUL. https://www.w3.org/TR/CSS/#css
HTML (English "hyper text markup language" - hypertext markup language) is a special markup language that is used to create sites on the Internet.
Browsers understand html perfectly and can interpret it in an understandable way. In general, any page on the site is html-code, which the browser translates into a user-friendly form. By the way, the code of any page is available to everyone. https://www.w3.org/html/
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