While this is very helpful for the coder - and any other developers that would wish to read it - it’s not helpful for web pages, slowing down loading times needlessly. They’ll make notes to themselves, split out the code onto multiple lines so it’s easier to read, and even write out explanations of what’s happening so they can reference it later. When a developer writes code, they will usually write for their own eyes to read it. That’s where our totally free unminify tool comes in! What is minification? If you accidentally lost the originals or are reverse-engineering some code from another developer, you might need to unminify some already minified code. This means if the line is commented out, we assume the PHP part should be omitted as well.If you’ve minified some code for your website or web app, you should have kept the original, unminified code for future reference. When PHP is embedded in the middle of a line, it's output is meant to be part of the line.PHP is never used to output commented out JavaScript (e.g.).PHP is never used to switch between languages (e.g.Open HTML tags have the corresponding closing HTML tags. We also leave string variables untouched.Īssumptions the Minifier makes while Minifying HTML: Since minification is primarily a benefit for data sent to the client, and PHP is executed sever side, we leave embedded PHP untouched. The Minifier can minifying HTML, CSS and JavaScript. In fact, the reason I wrote this Minifier is that I grew tired of using free, open source Minifiers that broke my code! If one isn't careful minification can interfere with Automatic Semicolon Insertion, modify string literals and regular expressions, and inadvertently extend comments to include code. In fact, it is mathematically provable that a program to achieve perfect minification cannot exist by reducing it to the Halting Program.Īnother Gotcha is that the nature of web languages, especially JavaScript, can often break naive minification tools. While there are many simple approaches (like condensing white space) that can have a big impact on code size, perfect minification would require the ability to understand code from a functional level, and predict all possible outputs from all possible inputs. Minification may seem straight forward, but is deceptively complex. HTML files that also contain JavaScript, CSS and embedded PHP. String values in CSS content Properties, JavaScript variables, and between tags that should be preserved rather than minified.Automatic Semicolon Insertion, statements in JavaScript not terminated by a semicolon.This minifier is designed to accommodate: *The articles linked to describe an earlier version of this minifier, one with slightly less capabilities. This Web Minifier can minify HTML with embedded PHP, JavaScript and CSS*, as well as pure JavaScript* and CSS* This can reduce server resources and lead to a more pleasant user experience which is why minifying files is often cited as a best practice for web development. Smaller files require less bandwidth, and have shorter load times on the web. The end result is a new file which is smaller in size to the original, yet identical from the machine's perspective. Code minification is the process of removing unnecessary characters from a section of code while leaving the code's original functionality in tact.
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