Source: https://www.addedbytes.com/cheat-sheets/php-cheat-sheet License: Free - Creative Commons License (Attribution, Non-Commercial, Share Alike) The PHP cheat sheet is a one-page reference sheet, listing date format arguments, regular expression syntax and common functions.

Source: https://en.wikipedia.org/wiki/Graphics_file_format GIF GIF (Graphics Interchange Format) is limited to an 8-bit palette, or 256 colors. This makes the GIF format suitable for storing graphics with relatively few colors such as simple diagrams, shapes, logos and cartoon style images. The GIF...

Source: https://en.wikipedia.org/wiki/Cascading_Style_Sheets Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation (that is, the look and formatting) of a document written in a markup language. Its most common application is to style web pages written in...