![]() PHP can support up to 14 decimal places.īoolean variables are the result of a logical operation and can only have two values: TRUE and FALSE. The decimal point is displayed just as a normal decimal would be (e.g. This can be positive or negative.Ī float is a numerical value with decimal places included. It can be presented in the form of a word, a sentence, a text, or even the HTML coding for an entire web page.Īn integer is a whole number without decimal places. To help with this, we’ve compiled an extensive installation guide as part of our XAMPP tutorial on the IONOS Digital Guide.Ī string is a collection of characters. This includes a local installation on the Apache web server, including the database system MariaDB as well as the scripting languages Perl and PHP. Web stacks like this are often offered as a pre-configured bundle package.įor this PHP tutorial, we recommend you use the complete package XAMPP. If this connection is extended with one of the database systems MySQL or MariaDB, then, depending on the operating system used, they form what’s known as either a LAMP (Linux), WAMP (Windows), or MAMP. An industry-standard practice is to combine PHP with the Apache HTTP Server. The use of an interpreter as a CGI program isn’t recommended as it will affect performance. The latest version of this PHP package is available from the project’s official website, php.net, and can be downloaded free of charge.Īs a rule, your PHP interpreter will be integrated via a server module or as a FastCGI. Fortunately, PHP is typically supported by all modern web servers, and its corresponding interpreter is included in the PHP download package. An interpreter is a software component that’s able to identify the passages within a file that contains PHP code – in other words, it can understand the PHP language. This will also need to be equipped with what’s known as a PHP interpreter. It can be downloaded free of charge from Apache Friends for the operating systems Windows, Linux, and macOS.īefore you can start running PHP scripts, you’ll first need a web server that’s capable of interpreting the scripting language. When it comes to choosing a server, we’d recommend the local test environment XAMPP for beginners. All that you need for server-side programming with PHP is a web server that includes a PHP interpreter, a text editor (e.g. ![]() The quickest way to learn PHP with this tutorial will be to follow the examples given here in real time on your own computer and tailor them to the needs of your web project. And if HTML is new to you, it’s also a good ideal to get to know this language first, too. However, some examples that we’ll be exploring will assume a fundamental knowledge of web development. Our PHP tutorial will help take you through the initial steps, to give you an insight into server-side programming. And this information alone is reason enough for anyone interested in web development or website management to become familiar with the options that PHP: Hypertext Preprocessor has to offer. This makes PHP the most popular server-side programming language by some distance when it comes to web development. And the combined reach of these top CMSs means that the PHP scripting language is used for an astounding 82.3% of all web pages on the World Wide Web, according to market analysis from W3Techs (Findings accurate as of: 18th November 2016). The combination of these three factors makes PHP an impressive tool.įour of the most popular content management systems, namely WordPress, TYPO3, Joomla!, and Drupal, are based on PHP. The scripting language supports a wide variety of databases, can be used across multiple platforms, and is subject to a specific PHP license that allows open usage and editing of the source code. Despite its beginner-friendly syntax, PHP offers an impressive range of functions. Other application uses include the writing of desktop applications as well as command-line programming. The main focus is the generation of dynamic web pages and apps. The central application area of PHP is in server-side programming. ![]() As a result, this content doesn’t contain a code (the PHP script), but instead just receives the results of the coding. Here, the PHP generates HTML content that is passed onto the web browser. While client-side languages like HTML, CSS, or JavaScript are only interpreted by the web browser during web page loading, a PHP code is already running on the web server. This acronym originally stood for ‘Personal Home Page Tools’, but today is commonly used as a shortened version of ‘ PHP: Hypertext Preprocessor’. PHP is a server-side interpreted open source script language that is most commonly used for the creation of dynamic web content. ![]()
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