Instead, you create them once and use the shortcuts when you need them. They make programming much easier because you don’t have to re-use long code snippets. Writing PHP Functionsįunctions are shortcuts for commonly used chunks of code. As you will learn further on, that doesn’t apply to everything. That means that when you write ECHO, EcHo, eCHO or any other variation, they will continue to work. The only difference is that the former has no return value and can take several parameters, while the latter has a return value of 1 and can only take one argument.Īn important note: Like all other PHP commands, functions echo and print are not case sensitive. The two commands echo and print are pretty much the same. For example, the title of this blog post might be displayed on a page like this: PHP Cheat Sheet" In PHP, data is commonly output using echo or print. Use it to make something cool, have fun, and share what you've learned with others. This theme, like WordPress, is licensed under the GPL. Tags: one-column, two-columns, right-sidebar, flexible-header, accessibility-ready, custom-colors, custom-header, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, post-formats, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready License: GNU General Public License v2 or later Our default theme for 2017 works great in many languages, for any abilities, and on any device. Personalize its asymmetrical grid with a custom color scheme and showcase your multimedia content with post formats. With a focus on business sites, it features multiple sections on the front page as well as widgets, navigation and social menus, a logo, and more. */ - Everything between /* and */ is not executed, also works across several linesĪ common example of the use of comments is WordPress theme headers: /*ĭescription: Twenty Seventeen brings your site to life with header video and immersive featured images. # - Another way of producing single-line comments.// - Denotes comments that only span one line.This is important for annotating your code for human readers but in a way that the browser doesn’t try to execute it. Like many other languages, PHP also has the ability to add comments. Consequently, you can execute PHP on a page: Writing Comments In order for a browser to recognize PHP, you need to wrap it in brackets. Besides PHP itself, they can contain text, HTML, CSS, and JavaScript. We are starting off with the basics – how to declare PHP in a file, write comments, and output data. If that’s not enough for you, we also have cheat sheets for HTML, CSS, and jQuery as well as the aforementioned Javascript. We have a lot to cover, so let’s get right into it. It covers the most important PHP concepts and functions and acts as a quick reference guide for those using PHP for web development. The programming language is relatively easy to learn for beginners, but it also offers a lot of advanced possibilities for veteran programmers.įor that reason, the following PHP cheat sheet is suitable for you no matter where you are in your journey. Consequently, the user doesn’t see the code itself but only the result.īy GgiaEsquema-proxy-internet.svg: Randomicc, from Wikimedia Commons PHP scripts produce HTML which is then passed on to the browser for interpretation. PHP is a server-side language, meaning that it executes on the server, not in the user’s browser (as opposed to, for example, Javascript). The latest version, PHP 7.4, came out in December 2021. Since its inception in 1995, it has had several releases. (Don’t miss our comparison of the three.)Īside from that, PHP is an Open Source and thus free to use. It’s in the heart of WordPress, the world’s most popular CMS, and also forms the base of other platforms like Joomla and Drupal. The programming language is among the most popular in web development. Our PHP cheat sheet aims to help anyone trying to get proficient in or improve their knowledge of PHP.
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