PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now » Easy Learning with "PHP Tryit" The PHP team is pleased to announce the release of PHP 8.3.0, RC 1. This is the first release candidate, continuing the PHP 8.3 release cycle, the rough outline of which is specified in the PHP Wiki.PHP Operators. Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators. Assignment operators. Comparison operators. Increment/Decrement operators. Logical operators. String operators.Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be utilized to create intuitive and dynamic websites. It was among the pioneer server-side language that can be integrated into HTML, making it easier to include functionality to web pages without requiring to call external data.We would like to show you a description here but the site won’t allow us. strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE.The cheapest VPS solution for custom PHP developer requirements starts at around $5 per month for 1 vCPU and 1 GB RAM. Shared hosting plans allow you to host unlimited domains on a single account with costs as low as $2 to $3 per month. PHP’s popularity is associated with its use in open-source programming communities.This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ...PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP parMay 5, 2012 · In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down. MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ... php 教程 php 是一种创建动态交互性站点的强有力的服务器端脚本语言。 php 是免费的，并且使用非常广泛。同时，对于像微软 asp 这样的竞争者来说，php 无疑是另一种高效率的选项。Executable: C:\php\php-cgi.exe; Name: FastCGI; Figure 5: Add Script Map. Click OK, and then click Yes. In the left panel, click on your server's hostname, and then double-click on the Default Document icon. From the Actions panel on the right, click Add. Enter index.php as the new default document name, and then click OK.Jun 17, 2022 · The term PHP is an acronym for PHP: Hypertext Preprocessor. PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and ... PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. Nice, but what does that mean? An example:PHP is a widely used server-side scripting language that has become increasingly fast and powerful through the years. You can also use it on the front-end since PHP can be embedded right into HTML. These features make learning PHP a great option for any web developer.Aug 1, 2023 · Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations. The entries in this array are created by the web server, therefore there is no guarantee that every web server will provide any of these; servers may omit some, or provide others not listed here. However, most of these variables are ... 0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC.PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading. You can also call the script from the command line after chmod'ing the file (ie: chmod 755 file.php). On your first line of the file, enter "#!/usr/bin/php" (or to wherever your php executable is located). If you want to suppress the PHP headers, use the line of "#!/usr/bin/php -q" for your path. up. down.To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file. Like already some answered before: The @ operator suppresses all errors in PHP, including notices, warnings and even critical errors. BUT: Please, ...The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment. PHP is an open source, multi-paradigm, dynamically-typed and interpreted scripting language designed initially for server-side web development. Use this tag for questions about programming in the PHP language. Nov 12, 2010 · PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. Featured on Meta Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values.Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output.This is an example PHP application, which is intentionally vulnerable to web attacks. It is intended to help you test Acunetix. It also helps you understand how developer errors and bad configuration may let someone break into your website. You can use it to test other tools and your manual hacking skills as well. Aug 1, 2023 · Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext; PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings.This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ...MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ... A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code. Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re ...PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC.Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. Introduction to PHP form processing. To create a form, you use the <form> element as follows: <form action="form.php" method="post"> </form> Code language: HTML, XML (xml) The <form> element has two important attributes: action: specifies the URL that processes the form submission. In this example, the form.php will process the form.PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.In PHP, the || operator only ever returns a boolean. For a chainable assignment operator, use the ?: "Elvis" operator. JavaScript: let a = false; let b = false; let c = true; let d = false; let e = a || b || c || d; // e === c <?PHP $a = false; $b = false; $c = true; $d = false; $e = $a ?: $b ?: $c ?: $d; // $e === $c?> Credit to @egst and ...www.php.net – PHP distribution, tutorials, newsgroups, and more. www.phpfreaks.com - PHP and MySQL tutorials, scripts, forums, and more. www.phpbuilder.com – Collection of PHP resources. Hello World If your web server supports PHP, type this example into a text file called hello.php and access it in your browser byBasic PHP Syntax. A PHP script can be placed anywhere in the document. The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code. Below, we have an example of a simple PHP file, with a PHP script that uses a built-in PHP function " echo " to output the text "Hello World!"Aug 1, 2023 · FastCGI Process Manager (FPM) Installation. Configuration. Installation of PECL extensions. Introduction to PECL Installations. Downloading PECL extensions. Installing a PHP extension on Windows. Compiling shared PECL extensions with the pecl command. Compiling shared PECL extensions with phpize. Dec 23, 2022 · Grav 1.7.29 PHP 8.1 benchmark results: 2137.43 req/sec 🏆; PHP 8.1 is the undisputed winner with Grav, closely followed by PHP 8.0 and the rest. Being a relatively new CMS, it has a smaller market share than WordPress. Hence, it can drop support for older PHP versions quite quickly. That’s one of the most significant advantages of modern CMSs. Aug 1, 2023 · Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext; Dec 8, 2021 · PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be utilized to create intuitive and dynamic websites. It was among the pioneer server-side language that can be integrated into HTML, making it easier to include functionality to web pages without requiring to call external data. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.Executable: C:\php\php-cgi.exe; Name: FastCGI; Figure 5: Add Script Map. Click OK, and then click Yes. In the left panel, click on your server's hostname, and then double-click on the Default Document icon. From the Actions panel on the right, click Add. Enter index.php as the new default document name, and then click OK.PHP can create, open, read, write, delete, and close files on the server. PHP can collect form data. PHP can send and receive cookies. PHP can add, delete, modify data in your database. PHP can be used to control user-access. PHP can encrypt data. With PHP you are not limited to output HTML. You can output images or PDF files. 0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC.We would like to show you a description here but the site won’t allow us.PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases. So, if you have to switch your project to use another database, PDO makes the process easy. You only have to change the connection string and a few queries. With MySQLi, you will need to rewrite the entire code - queries included.A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code. Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re ... This is an example PHP application, which is intentionally vulnerable to web attacks. It is intended to help you test Acunetix. It also helps you understand how developer errors and bad configuration may let someone break into your website. You can use it to test other tools and your manual hacking skills as well. Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. HTML is used for specifying colors, text formatting, aligning, etc. PHP is easy to learn but not as much as HTML. HTML is very easy to learn. PHP is used for server-side development. HTML is used for front-end development. PHP can’t be used in an HTML file. HTML can be used in a PHP file. Extensions of PHP are .php, .php3, .php4, .php7.As of PHP 8.0.0, instanceof can now be used with arbitrary expressions. The expression must be wrapped in parentheses and produce a string . Example #8 Using instanceof with an arbitrary expressionPHP PGO build for maximum performance (old) amd64 (x86_64) Builds. PHP 7 provides full 64-bit support. The x64 builds of PHP 7 support native 64-bit integers, LFS, 64-bit memory_limit and much more. x64 builds are recommended (almost all Windows installations support x64). Long and multibyte path. PHP 7.1+ supports long and UTF-8 paths. PHP is an open source, multi-paradigm, dynamically-typed and interpreted scripting language designed initially for server-side web development. Use this tag for questions about programming in the PHP language.Welcome. Welcome to the learn-php.org free interactive PHP tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the PHP programming language. There is no need to download anything - just click on the chapter you wish to begin from, and follow the instructions. Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details.Grav 1.7.29 PHP 8.1 benchmark results: 2137.43 req/sec 🏆; PHP 8.1 is the undisputed winner with Grav, closely followed by PHP 8.0 and the rest. Being a relatively new CMS, it has a smaller market share than WordPress. Hence, it can drop support for older PHP versions quite quickly. That’s one of the most significant advantages of modern CMSs.5,195 PHP jobs available on Indeed.com. Apply to PHP Developer, Quality Assurance Analyst, Back End Developer and more!Welcome. Welcome to the learn-php.org free interactive PHP tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the PHP programming language. There is no need to download anything - just click on the chapter you wish to begin from, and follow the instructions.Mar 4, 2010 · 7. AND operation: & -> will do the bitwise AND operation , it just doing operation based on the bit values. && -> It will do logical AND operation. It is just the check the values is true or false. Based on the boolean value , it will evaluation the expression. Share. Improve this answer. PHP is an open source, multi-paradigm, dynamically-typed and interpreted scripting language designed initially for server-side web development. Use this tag for questions about programming in the PHP language.Basic PHP Syntax. A PHP script can be placed anywhere in the document. The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code. Below, we have an example of a simple PHP file, with a PHP script that uses a built-in PHP function " echo " to output the text "Hello World!" Jun 23, 2009 · Like already some answered before: The @ operator suppresses all errors in PHP, including notices, warnings and even critical errors. BUT: Please, ... Jun 17, 2022 · The term PHP is an acronym for PHP: Hypertext Preprocessor. PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and ... Aug 1, 2023 · This new major version brings with it a number of new features and some incompatibilities that should be tested for before switching PHP versions in production environments. See also the migration guides for PHP versions 7.0.x, 7.1.x, 7.2.x, 7.3.x. 7.4.x. ＋ PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12]In PHP 5+, objects are passed by reference. This has got me into trouble in the past when I've tried to make arrays of objects. For example, I once wrote something like the following code, thinking that I'd get an array of distinct objects. However, this is wrong. This code will create an array of multiple references to the same object. <?phpSelect and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Aug 1, 2023 · Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations. The entries in this array are created by the web server, therefore there is no guarantee that every web server will provide any of these; servers may omit some, or provide others not listed here. However, most of these variables are ... PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases. So, if you have to switch your project to use another database, PDO makes the process easy. You only have to change the connection string and a few queries. With MySQLi, you will need to rewrite the entire code - queries included. There are two string operators. The first is the concatenation operator ('.'), which returns the concatenation of its right and left arguments. The second is the concatenating assignment operator (' .= '), which appends the argument on the right side to the argument on the left side. Please read Assignment Operators for more information.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Improvements for PHP tools. The latest release comes with numerous improvements around PHP tooling, such as support for baseline in PHP_CodeSniffer, support for Laravel Pint, more use cases covered for generics in PHP, support for assertions, and much more. Discover All New Features. PHP $_REQUEST is a PHP super global variable which is used to collect data after submitting an HTML form. The example below shows a form with an input field and a submit button. When a user submits the data by clicking on "Submit", the form data is sent to the file specified in the action attribute of the <form> tag. Introduction to PHP form processing. To create a form, you use the <form> element as follows: <form action="form.php" method="post"> </form> Code language: HTML, XML (xml) The <form> element has two important attributes: action: specifies the URL that processes the form submission. In this example, the form.php will process the form.Aug 30, 2019 · HTML is used for specifying colors, text formatting, aligning, etc. PHP is easy to learn but not as much as HTML. HTML is very easy to learn. PHP is used for server-side development. HTML is used for front-end development. PHP can’t be used in an HTML file. HTML can be used in a PHP file. Extensions of PHP are .php, .php3, .php4, .php7. To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file. This new major version brings with it a number of new features and some incompatibilities that should be tested for before switching PHP versions in production environments. See also the migration guides for PHP versions 7.0.x, 7.1.x, 7.2.x, 7.3.x. 7.4.x. ＋To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file.PHP Variables. A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9 ...PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now » Easy Learning with "PHP Tryit"
7. AND operation: & -> will do the bitwise AND operation , it just doing operation based on the bit values. && -> It will do logical AND operation. It is just the check the values is true or false. Based on the boolean value , it will evaluation the expression. Share. Improve this answer.. Sandk leasing llc
May 6, 2022 · To update PHP, click on Change PHP to v8.1. If successful, this section will indicate that your site is up to date: Although we strongly encourage you to test PHP version changes in a staging environment, you can modify your PHP version on your live website. To do this, go to Manage Websites in your DreamHost Panel. PHP 8.3.0 RC 1 available for testing. Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Supported Protocols and Wrappers. Variable and Type Related Extensions. "MyClass::myFunc () ""OtherClass::myFunc () ". A class constant, class property (static), and class function (static) can all share ... PHP Installer Tools on Windows. Recommended Configuration on Windows systems. Manual PHP Installation on Windows. Building from source. Command Line PHP on Microsoft Windows. Apache 2.x on Microsoft Windows. Troubleshooting PHP on Windows. Installation on Cloud Computing platforms. Azure App Services.PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ... PHP 8.3.0 RC 1 available for testing. Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Supported Protocols and Wrappers. Variable and Type Related Extensions. "MyClass::myFunc () ""OtherClass::myFunc () ". A class constant, class property (static), and class function (static) can all share ... Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ... PHP is a widely used server-side scripting language that has become increasingly fast and powerful through the years. You can also use it on the front-end since PHP can be embedded right into HTML. These features make learning PHP a great option for any web developer.Jul 13, 2023 · PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. The best way we learn anything is by practice and exercise questions. Aug 1, 2023 · In PHP 5+, objects are passed by reference. This has got me into trouble in the past when I've tried to make arrays of objects. For example, I once wrote something like the following code, thinking that I'd get an array of distinct objects. However, this is wrong. This code will create an array of multiple references to the same object. <?php Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25Aug 1, 2023 · PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP par PHP $_GET. PHP $_GET is a PHP super global variable which is used to collect form data after submitting an HTML form with method="get". $_GET can also collect data sent in the URL. Assume we have an HTML page that contains a hyperlink with parameters:Example Get your own PHP Server. When the user fills out the form above and clicks the submit button, the form data is sent for processing to a PHP file named "welcome.php". The form data is sent with the HTTP POST method. To display the submitted data you could simply echo all the variables. The "welcome.php" looks like this:This is an example PHP application, which is intentionally vulnerable to web attacks. It is intended to help you test Acunetix. It also helps you understand how developer errors and bad configuration may let someone break into your website. You can use it to test other tools and your manual hacking skills as well. PHP. 3.4. Free. One Of The Web's Premier Programming Languages. Multi-Platform. Free Download for Windows. Other platforms. PHP is a free programming language used primarily in web applications (it is used in the ever-popular PHP-Nuke web portal software). .