This PHP cheat sheet is both an introduction for beginners and a quick reference guide for advanced programmers. Bookmark it or download the free PDF now.

This PHP cheat sheet provides a reference for quickly looking up the correct syntax for the code you use most frequently. #

Built-in functions for various tasks, such as string manipulation, array handling, file operations etc.. It's used for retrieving data from URL parameters (query string). Used for retrieving data from form submissions via HTTP POST method. A general-purpose array that combines $_GET, $_POST, and $_COOKIE. They can be accessed from any scope.

PHP BASICS Including PHP in a File <?php // place PHP code here ?> Writing Comments // Denotes comments that only span on one line # Another way of producing single-line comments /*...*/ Everything between /* and */ is not executed, also works across several lines Outputting Data <?php echo "<h1>PHP Cheat Sheet</h1>"; ?> Writing PHP Functions

Free online interactive PHP cheat sheet, perfect for both beginners and experienced programmers. Refresh your knowledge of PHP syntax and access the most commonly used code snippets at your fingertips.

Oct 19, 2011 · A quick reference guide for PHP, with functions references, a regular expression syntax guide and a reference for PHP's date formating functions. As of 28/6/14, the cheat sheet now includes popup links to the appropriate PHP manual pages.

Use print_r for debugging and displays human-readable information about variables, particularly arrays or objects. You can embed HTML elements with text using the echo and print function.