PHP Constants. A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid constant name starts with a letter or underscore (no $ sign before the constant name). Note: Unlike variables, constants are automatically global across the entire script. The NOT or complement operator ( ~ ) and negative binary numbers can be confusing. ~2 = -3 because you use the formula ~x = -x - 1 The bitwise complement of a decimal number is the negation of the number minus 1. NOTE: just using 4 bits here for the examples below but in reality PHP uses 32 bits.What is: PHP. Tweet. PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also open source. PHP is a server side language, which means that it runs on your web hosting server. Whenever someone visits your website, their browser ...Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. PHP include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute: 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. 8.2.10 · Changelog · Upgrading.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 $_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: 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 ».Elvis ?: returns the first argument if it contains a "true-ish" value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table).Mar 30, 2023 · D. Dharmendra_Kumar. Read. Discuss. Courses. Full form of PHP is Hypertext Preprocessor and earlier it was abbreviated as Personal Home Page. It is a general-purpose programming language used to design a website or web application. It is the server-side scripting language embedded with HTML to develop Static website, Dynamic website, or Web ... 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. Write a PHP program to swap two numbers with and without using third variable. Input: a=5 b=10. Output: a=10 b=5. 12) Adding Two Numbers. Write a PHP program to add two numbers. First Input: 10. Second Input: 20. Output: 30. 13) Subtracting Two Numbers. Write a PHP program to subtract two numbers. First Input: 50. Second Input: 10. Output: 40 ...PHP is a general-purpose scripting language widely used as a server-side language for creating dynamic web pages. Though its reputation is mixed, PHP is still extremely popular and is used in over 75% of all websites where the server-side programming language is known.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. 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 ...PHPUnit. PHPUnit is perhaps the best PHP library for performing unit testing in PHP web applications. It is used to test the application’s code for possible errors and bugs. While performing the unit testing with PHPUnit, developers can resolve various application bugs that may arise during the run-time execution.Nick Schäferhoff. Our PHP cheat sheet aims to help anyone trying to get proficient in or improve their knowledge of PHP. The programming language is among the most popular in web development. 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.PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websitesJun 25, 2021 · The structure which defines PHP computer language is called PHP syntax. The PHP script is executed on the server and the HTML result is sent to the browser. It can normally have HTML and PHP tags. PHP or Hypertext Preprocessor is a widely used open-source general-purpose scripting language and can be embedded with HTML. 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:Aug 1, 2023 · Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions. If you have permission to SSH into the remote server, use the command line to check the installed PHP version. This method is also useful for checking the PHP version installed locally. 1. Type the PHP command: php -v. 2. The php -v command works on Linux, macOS, Windows, and other supported systems. Its output contains the PHP version number ...7 Min Read. 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.Dec 6, 2021 · 10 Best PHP Books to Help You Learn PHP. Best PHP Books. The Joy of PHP Programming: A Beginner’s Guide – by Alan Forbes. PHP & MySQL Novice to Ninja – by Kevin Yank. Head First PHP & MySQL – by Lynn Beighley & Michael Morrison. PHP: A Beginner’s Guide – by Vikram Vaswani. Murach’s PHP & MySQL – by Joel Murach & Ray Harris. 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. 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.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.Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. Abstract classes and methods are when the parent class has a named method, but need its child class (es) to fill out the tasks. An abstract class is a class that contains at least one abstract method. An abstract method is a method that is declared, but not implemented in the code. An abstract class or method is defined with the abstract keyword:Configure PHP.ini to display all errors. If adding some of the PHP code errors doesn’t show in the browser during testing, then the PHP ini configuration has some additional directives to handle this. display_errors = on. The display_errors directive must be set to “on” in the PHP ini file.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 ...New details of the previously reported incident underscore how dependent the U.S. government has become on a company that once had to fight in court to become part of the Washington establishment.PHP also supports two composite (non-scalar) types: arrays and objects. Each of these value types can be assigned into variables or returned from functions. PHP takes expressions much further, in the same way many other languages do. PHP is an expression-oriented language, in the sense that almost everything is an expression.10 Best PHP Books to Help You Learn PHP. Best PHP Books. The Joy of PHP Programming: A Beginner’s Guide – by Alan Forbes. PHP & MySQL Novice to Ninja – by Kevin Yank. Head First PHP & MySQL – by Lynn Beighley & Michael Morrison. PHP: A Beginner’s Guide – by Vikram Vaswani. Murach’s PHP & MySQL – by Joel Murach & Ray Harris.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.Aug 1, 2023 · $b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" has a greater precedence than "or" // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f before the "or" operation occurs 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:Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations. The entries in this array are created by the web server, therefore there is no guarantee that every web server will provide any of these; servers may omit some, or provide others not listed here. However, most of these variables are ...Write a PHP program to swap two numbers with and without using third variable. Input: a=5 b=10. Output: a=10 b=5. 12) Adding Two Numbers. Write a PHP program to add two numbers. First Input: 10. Second Input: 20. Output: 30. 13) Subtracting Two Numbers. Write a PHP program to subtract two numbers. First Input: 50. Second Input: 10. Output: 40 ...A full textual representation of the day of the week. Sunday through Saturday. "month". A full textual representation of a month, such as January or March. January through December. 0. Seconds since the Unix Epoch, similar to the values returned by time () and used by date () . System Dependent, typically -2147483648 through 2147483647 .Aug 1, 2023 · PHP 8.1.23 Released! Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures PHP include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute:$b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" has a greater precedence than "or" // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f before the "or" operation occursWelcome. Welcome to the learn-php.org free interactive PHP tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the PHP programming language. There is no need to download anything - just click on the chapter you wish to begin from, and follow the instructions. Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. <?php function array_identical ($a, $b) {return (is_array ($a) && is_array ($b) && array_diff_assoc ($a, $b) === array_diff_assoc ($b, $a));}?> Example: <?php $a = array (2, 1); $b = array (1, 2); // true === array_equal($a, $b); // false === array_identical($a, $b); $a = array ('a' => 2, 'b' => 1); $b = array ('b' => 1, 'a' => 2);Aug 1, 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. PHP (Hypertext Processor) is a general-purpose scripting language and interpreter that is freely available and widely used for web development. The language is used primarily for server-side scripting, although it can also be used for command-line scripting and, to a limited degree, desktop applications. The acronym PHP was originally derived ...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.Here we would like to show the very basics of PHP in a short, simple tutorial. This text only deals with dynamic web page creation with PHP, though PHP is not only capable of creating web pages. See the section titled What can PHP do for more information. PHP-enabled web pages are treated just like regular HTML pages and you can create and edit ...PHP.B, a neurotropic variant of AAV9, is better than AAV9 at gaining access to the CNS of C57BL/6J mice following IV injection but fails to reach the CNS of BALB/cJ mice. These results were surprising because in vivo transduction of AAV serotypes generally tracks between strains of mice.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.PHP Conditional Statements. Very often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is truePHP also supports two composite (non-scalar) types: arrays and objects. Each of these value types can be assigned into variables or returned from functions. PHP takes expressions much further, in the same way many other languages do. PHP is an expression-oriented language, in the sense that almost everything is an expression.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. 8.2.10 · Changelog · Upgrading.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 ...Let us understand step-by-step how a PHP page works: Step 1: The client requests the webpage on the browser. Step 2: The server (where PHP software is installed) then checks for the .php file associated with the request. Step 3: If found, it sends the file to the PHP interpreter (since PHP is an interpreted language), which checks for requested ...Aug 1, 2023 · $b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" has a greater precedence than "or" // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f before the "or" operation occurs XAMPP is an open-source software developed and distributed by Apache Friends. It is an acronym for: X- Cross-Platform. A- Apache Server. M- MariaDB. P- PHP. P- Pearl. XAMPP is one of the most common PHP servers packages used by developers for developing the sites. It was the first platform of such capability.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.PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websitesAndrea Sachs. and. Heidi Pérez-Moreno. September 7, 2023 at 11:25 a.m. EDT. (Washington Post Illustration; iStock) 9 min. It was supposed to be a quick trip to pick up her kid from summer camp ...PHP Constants. A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid constant name starts with a letter or underscore (no $ sign before the constant name). Note: Unlike variables, constants are automatically global across the entire script. 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.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.7 Min Read. 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.Aug 1, 2023 · A full textual representation of the day of the week. Sunday through Saturday. "month". A full textual representation of a month, such as January or March. January through December. 0. Seconds since the Unix Epoch, similar to the values returned by time () and used by date () . System Dependent, typically -2147483648 through 2147483647 . Sep 28, 2020 · A PHP framework is a platform to create PHP web applications. PHP frameworks provide code libraries for commonly used functions, cutting down on the amount of original code you need to write. There are many good reasons for using PHP frameworks as opposed to coding from scratch. Because PHP frameworks have built-in libraries and tools, the time ... PHP Conditional Statements. Very often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is true $b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" has a greater precedence than "or" // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f before the "or" operation occursW3Schools 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.10 hours ago · Andrea Sachs. and. Heidi Pérez-Moreno. September 7, 2023 at 11:25 a.m. EDT. (Washington Post Illustration; iStock) 9 min. It was supposed to be a quick trip to pick up her kid from summer camp ... PHP Programming at Wikibooks. 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] PHP was originally an abbreviation of Personal Home ...Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions.Sep 28, 2020 · A PHP framework is a platform to create PHP web applications. PHP frameworks provide code libraries for commonly used functions, cutting down on the amount of original code you need to write. There are many good reasons for using PHP frameworks as opposed to coding from scratch. Because PHP frameworks have built-in libraries and tools, the time ... 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.The sprintf () function writes a formatted string to a variable. The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works "step-by-step". At the first % sign, arg1 is inserted, at the second % sign, arg2 is inserted, etc. Note: If there are more % signs than arguments, you must use placeholders ...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: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.The NOT or complement operator ( ~ ) and negative binary numbers can be confusing. ~2 = -3 because you use the formula ~x = -x - 1 The bitwise complement of a decimal number is the negation of the number minus 1. NOTE: just using 4 bits here for the examples below but in reality PHP uses 32 bits.Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. 7 Min Read. 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.Comparison Operators. Comparison operators, as their name implies, allow you to compare two values. You may also be interested in viewing the type comparison tables, as they show examples of various type related comparisons. PHP Resource. The special resource type is not an actual data type. It is the storing of a reference to functions and resources external to PHP. A common example of using the resource data type is a database call. We will not talk about the resource type here, since it is an advanced topic.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: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 $_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: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。
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 ... . Governing body of jehovahpercent27s witnesses
Sep 10, 2015 · I don't want to include b.php file into a.php, On a.php file i have submit the form and after submit i want to trigger b.php file because b.php is a cron file. So basically i want to run b.php file whenever a.php file form get submitted. and i want to do this by cli command in php PHPUnit. PHPUnit is perhaps the best PHP library for performing unit testing in PHP web applications. It is used to test the application’s code for possible errors and bugs. While performing the unit testing with PHPUnit, developers can resolve various application bugs that may arise during the run-time execution.What is: PHP. Tweet. PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also open source. PHP is a server side language, which means that it runs on your web hosting server. Whenever someone visits your website, their browser ...PHP (Hypertext Processor) is a general-purpose scripting language and interpreter that is freely available and widely used for web development. The language is used primarily for server-side scripting, although it can also be used for command-line scripting and, to a limited degree, desktop applications. The acronym PHP was originally derived ... 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 8.0. A full list of GPG keys used for current and older releases is also available. Check the supported versions page for more information on the support lifetime of each version of PHP.I've just picked 2 files and put them in my source PHP root . class.phpmailer.php class.smtp.php. In PHP, the file needs to be added . require_once('class.smtp.php'); require_once('class.phpmailer.php'); After this, it's just code: require_once('class.smtp.php'); require_once('class.phpmailer.php'); ...Specifies the number of decimal digits to round to. Default is 0. mode. Optional. Specifies a constant to specify the rounding mode: PHP_ROUND_HALF_UP - Default. Rounds number up to precision decimal, when it is half way there. Rounds 1.5 to 2 and -1.5 to -2. PHP_ROUND_HALF_DOWN - Round number down to precision decimal places, when it is half ...PHP is a general-purpose scripting language widely used as a server-side language for creating dynamic web pages. Though its reputation is mixed, PHP is still extremely popular and is used in over 75% of all websites where the server-side programming language is known.Write a PHP program to swap two numbers with and without using third variable. Input: a=5 b=10. Output: a=10 b=5. 12) Adding Two Numbers. Write a PHP program to add two numbers. First Input: 10. Second Input: 20. Output: 30. 13) Subtracting Two Numbers. Write a PHP program to subtract two numbers. First Input: 50. Second Input: 10. Output: 40 ...Dec 1, 2019 · PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websites 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.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. .