PHP is an open-source, server-side programming language that can be used to create websites, applications, customer relationship management systems and more. It is a widely-used general-purpose language that can be embedded into HTML. This functionality with HTML means that the PHP language has remained popular with developers as it helps to ...4) Table of number. Write a PHP program to print table of a number. Input: 2. Output: 2 4 6 8 10 12 14 16 18 20. Input: 5. Output: 5 10 15 20 25 30 35 40 45 50.C is a general-purpose programming language, developed in 1972, and still quite popular. C is very powerful; it has been used to develop operating systems, databases, applications, etc. Start learning C now ». Aug 31, 2023 · First, turn on container logging by running the following command: Azure CLI. Open Cloudshell. az webapp log config --name <app-name> --resource-group <resource-group-name> --docker-container-logging filesystem. Replace <app-name> and <resource-group-name> with the names appropriate for your web app. locale The locale to return a display language for displayLocale Optional format locale to use to display the language name Return Values ¶ Display name of the language for the locale in the format appropriate for displayLocale, or false on failure. Changelog ¶ Examples ¶ Example #1 locale_get_display_language () example <?php 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.Jul 6, 2023 · Multi-language PHP example demo. I have deployed a demo page for this example. View the demo to see how the PHP multi-language code works. I have provided a demonstration of the dual-language switch control. PHP example output – multilingual page supporting two-languages Skills you'll gain: Web Development, Other Web Programming Languages, HTML and CSS, Front-End Web Development, Computer Programming, Databases, Other Programming Languages, Programming Principles, SQL, Web Design. 4.7. (4.1k reviews) Intermediate · Course · 1 - 3 Months.Example 1: In order to get the current language of the browser, we can use PHP’s built-in substr function to get the first two letters of the string like-. <?php. echo substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); ?>. After running the above program you’ll see the output as your current browser’s language –. en.8.1. Release Date 2021-11-25. Version Status Supported. PHP 8.1, released in 2021, brings major new features such as Enums, Fibers, never return type, Intersection Types, readonly properties, and more, while ironing out some of its undesired legacy features by deprecating them.Compiling views during the request may have a small negative impact on performance, so Laravel provides the view:cache Artisan command to precompile all of the views utilized by your application. For increased performance, you may wish to run this command as part of your deployment process: php artisan view:cache. Next, create another language.php file to hold English translations. Note that the file names should match. If you have reached this far, great work, this is the first step in creating our translation strings. Next step, open the language.php file in your text editor for the English translation, en directory and copy and paste the following:Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow: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 ... Find out what locales are installed. Use locale -a command on Linux. The two principle variants of en to use are en_US and en_GB, with the main differences being that the latter generally uses ise instead of the former's ize, and the original French spellings of words like metre, instead of meter, and do not use phonetic contractions, by using ...PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual .Twig is a modern template engine for PHP. Fast: Twig compiles templates down to plain optimized PHP code. The overhead compared to regular PHP code was reduced to the very minimum. Secure: Twig has a sandbox mode to evaluate untrusted template code. This allows Twig to be used as a template language for applications where users may modify the ...Jun 24, 2022 · PHP is a general-purpose scripting language that developers use on the server-side of a project. These projects may include web applications, static websites or dynamic websites. PHP is a recursive acronym for Hyper Pretext Processor that previously stood for Personal Home Pages. PHP is an open-source, server-side programming language that can be used to create websites, applications, customer relationship management systems and more. It is a widely-used general-purpose language that can be embedded into HTML. This functionality with HTML means that the PHP language has remained popular with developers as it helps to ... Mar 26, 2022 · The other option, the preferred way, is to combine PHP and HTML tags in .php files. Since PHP is a server-side scripting language, the code is interpreted and run on the server side. For example, if you add the following code in your index.html file, it won’t run out of the box. 1. <!DOCTYPE html>. Jun 26, 2023 · Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow: 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!"PHP | Basic Syntax. 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.Oct 9, 2019 · 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 is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server. PHP is pleasingly zippy in its execution ...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 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 ...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 ...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 byExamples at hotexamples.com: 30. PHP pll_current_language - 30 examples found. These are the top rated real world PHP examples of pll_current_language extracted from open source projects. You can rate examples to help us improve the quality of examples. Example #1.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 ... Sep 5, 2023 · Request an extensive PHP market report. These diagrams show the usage statistics of PHP as server-side programming language on the web. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily. PHP is used by 77.1% of all the websites whose server-side programming language we know. 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.Fundamentally, PHP is a server-side language while HTML operates client-side. The two differ greatly in their functionality as well; while both are responsible for displaying web content to the user, they each fulfill different tasks to do so. HTML provides the structure for a web page, but PHP makes those pages dynamic.C is a general-purpose programming language, developed in 1972, and still quite popular. C is very powerful; it has been used to develop operating systems, databases, applications, etc. Start learning C now ». Skills you'll gain: Web Development, Other Web Programming Languages, HTML and CSS, Front-End Web Development, Computer Programming, Databases, Other Programming Languages, Programming Principles, SQL, Web Design. 4.7. (4.1k reviews) Intermediate · Course · 1 - 3 Months.Creating & Rendering Views. You may create a view by placing a file with the .blade.php extension in your application's resources/views directory. The .blade.php extension informs the framework that the file contains a Blade template.Feb 5, 2019 · Step 6. Choosing Language in TopBar. It's pretty weird to have this visual step only now, but I wanted to get to “how it works” before showing “how it looks”. Now, let's implement a language choice in the header visually. Like this – see three languages on top: It's pretty simple, as we have all the system ready for it. Implementing language access is, however, complex and requires knowledge, skills and resources. This feature of the National Center for Cultural Competence website is designed to provide answers to frequently asked questions about how to implement language access. 1.Fundamentally, PHP is a server-side language while HTML operates client-side. The two differ greatly in their functionality as well; while both are responsible for displaying web content to the user, they each fulfill different tasks to do so. HTML provides the structure for a web page, but PHP makes those pages dynamic.PHP is a general-purpose scripting language that developers use on the server-side of a project. These projects may include web applications, static websites or dynamic websites. PHP is a recursive acronym for Hyper Pretext Processor that previously stood for Personal Home Pages.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 by 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.Then the message with the id ‘hello’ is echo’ed which will output the german “Hallo”. The gettext system supports plural forms. Using the example from above, I create a plural msgid: <code>m</code>. sgid "upload". msgid_plural "uploads". msgstr[0] "file uploaded successfully". msgstr[1] "files uploaded successfully".8.1. Release Date 2021-11-25. Version Status Supported. PHP 8.1, released in 2021, brings major new features such as Enums, Fibers, never return type, Intersection Types, readonly properties, and more, while ironing out some of its undesired legacy features by deprecating them.Share. The Model-View-Control (MVC) pattern, originally formulated in the late 1970s, is a software architecture pattern built on the basis of keeping the presentation of data separate from the ...PHP = PHP Hypertext Preprocessor. SQL = Structured Query Language. SVG = Scalable Vector Graphics. XML = EXtensible Markup Language. The first parameter of fopen () contains the name of the file to be opened and the second parameter specifies in which mode the file should be opened.Aug 31, 2023 · First, turn on container logging by running the following command: Azure CLI. Open Cloudshell. az webapp log config --name <app-name> --resource-group <resource-group-name> --docker-container-logging filesystem. Replace <app-name> and <resource-group-name> with the names appropriate for your web app. PHP is an open-source, server-side programming language that can be used to create websites, applications, customer relationship management systems and more. It is a widely-used general-purpose language that can be embedded into HTML. This functionality with HTML means that the PHP language has remained popular with developers as it helps to ...Jun 26, 2023 · Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow: 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 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 other option, the preferred way, is to combine PHP and HTML tags in .php files. Since PHP is a server-side scripting language, the code is interpreted and run on the server side. For example, if you add the following code in your index.html file, it won’t run out of the box. 1. <!DOCTYPE html>.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.Mar 8, 2023 · PHP is also known as Hypertext Pre-processor. PHP is an open-source and server-side scripting language, which is mainly used for developing web applications. The syntax of the PHP language is similar to the C language. PHP was originally created by Rasmus Lerdorf, and it first appeared in 1995. PHP is widely used in developing web applications ... PHP | Basic Syntax. 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.Jul 7, 2014 · Validate and view PHP print_r outputs. Pretty print any kind of PHP print_r output. Debug your arrays and objects easily, and collapse the branches that you don't need to check in order to navigate in a easier way over the structure. Feb 5, 2019 · Step 6. Choosing Language in TopBar. It's pretty weird to have this visual step only now, but I wanted to get to “how it works” before showing “how it looks”. Now, let's implement a language choice in the header visually. Like this – see three languages on top: It's pretty simple, as we have all the system ready for it. Practice is key to mastering coding, and the best way to put your PHP knowledge into practice is by getting practical with code. Use W3Schools Spaces to build, test and deploy code. The code editor lets you write and practice different types of computer languages. It includes PHP, but you can use it for other languages too.PHP is forgiving: PHP language tries to be as forgiving as possible. PHP Syntax is C-Like. Common Uses of PHP PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them. The other uses of PHP are: PHP can handle forms, i.e. gather data from files, save data to a file, thru email youFeb 5, 2019 · Step 6. Choosing Language in TopBar. It's pretty weird to have this visual step only now, but I wanted to get to “how it works” before showing “how it looks”. Now, let's implement a language choice in the header visually. Like this – see three languages on top: It's pretty simple, as we have all the system ready for it. PHP is a recursive acronym for "PHP: Hypertext Preprocessor". PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and ... Compiling views during the request may have a small negative impact on performance, so Laravel provides the view:cache Artisan command to precompile all of the views utilized by your application. For increased performance, you may wish to run this command as part of your deployment process: php artisan view:cache. Symfony is a set of reusable PHP components and a PHP framework to build web applications, APIs, microservices and web 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 ...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 ... Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow:PHP Manual Change language: English Brazilian Portuguese Chinese (Simplified) French German Japanese Russian Spanish Turkish Other Submit a Pull Request Report a Bugwww.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!" 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.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 ... Write a PHP program to reverse given number. Input: 234. Output: 432. 10) Reverse String. Write a PHP program to reverse given string. Input: amit. Output: tima. 11) Swap two numbers. 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 ... Step 6. Choosing Language in TopBar. It's pretty weird to have this visual step only now, but I wanted to get to “how it works” before showing “how it looks”. Now, let's implement a language choice in the header visually. Like this – see three languages on top: It's pretty simple, as we have all the system ready for it.Twig is a modern template engine for PHP. Fast: Twig compiles templates down to plain optimized PHP code. The overhead compared to regular PHP code was reduced to the very minimum. Secure: Twig has a sandbox mode to evaluate untrusted template code. This allows Twig to be used as a template language for applications where users may modify the ...PHP | Basic Syntax. 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.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. Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow:PHP is used by 78.9% of all websites whose server-side programming language is known. PHP files are processed by web servers using an interpreter, which executes the code and then combines the results (which can be any kind of data, like queries from a database or images) with dynamically generated HTML to form the webpage you see.PHP is an open-source, server-side programming language that can be used to create websites, applications, customer relationship management systems and more. It is a widely-used general-purpose language that can be embedded into HTML. This functionality with HTML means that the PHP language has remained popular with developers as it helps to ...PHP is one of the most useful languages to know and is used everywhere you look online. In this tutorial, I start from the beginning and show you how to star...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!" Step 2 — Importing or Creating a New PHP Project. To import an existing PHP project into VS Code, click on the first icon on the left menu bar or type CTRL + SHIFT + E to access the file explorer. Click the Open Folder button and select your project’s directory. In case you are creating a new project, you can create a new folder and select ...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 ... Skills you'll gain: Web Development, Other Web Programming Languages, HTML and CSS, Front-End Web Development, Computer Programming, Databases, Other Programming Languages, Programming Principles, SQL, Web Design. 4.7. (4.1k reviews) Intermediate · Course · 1 - 3 Months.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. Step 2 — Importing or Creating a New PHP Project. To import an existing PHP project into VS Code, click on the first icon on the left menu bar or type CTRL + SHIFT + E to access the file explorer. Click the Open Folder button and select your project’s directory. In case you are creating a new project, you can create a new folder and select ...
PHP is a general-purpose scripting language geared towards web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by the PHP Group. PHP was originally an abbreviation of Personal Home Page, but it now stands for the recursive initialism PHP: Hypertext Preprocessor. . Ashurst llp
PHP is an HTML-embedded, server-side scripting language designed for web development. It is also used as a general purpose programming language. It was created by Rasmus Lerdorf in 1994 and appeared in the market in 1995. Much of its syntax is borrowed from C, C++, and Java. PHP codes are simply mixed with HTML codes and can be used in ... 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: Example #1 An introductory example <!DOCTYPE html> <html> <head> <title>Example</title> </head> <body>Before using gettext, you need to follow a few steps, as mentioned in the manual, to set it up. Firstly, create a separate folder for gettext localization implementation to avoid any possible confusion. I have named the folder PHP_Gettext here. Then, we create a file named index.php within our PHP_Gettext folder.PHP Language Specifications. This repo contains the WIP PHP Language Specifications. To join the conversation, send a blank email to: [email protected] PHP is an incredibly popular programming language. Statistics say it’s used by 80% of all websites. It’s the language that powers WordPress, the widely used content management system for websites. And it also powers a lot of different frameworks that make Web Development easier, like Laravel. Speaking of Laravel, itSymfony is a set of reusable PHP components and a PHP framework to build web applications, APIs, microservices and web services.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.locale The locale to return a display language for displayLocale Optional format locale to use to display the language name Return Values ¶ Display name of the language for the locale in the format appropriate for displayLocale, or false on failure. Changelog ¶ Examples ¶ Example #1 locale_get_display_language () example <?php 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.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 by First, turn on container logging by running the following command: Azure CLI. Open Cloudshell. az webapp log config --name <app-name> --resource-group <resource-group-name> --docker-container-logging filesystem. Replace <app-name> and <resource-group-name> with the names appropriate for your web app.PHP. 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. 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 ...locale The locale to return a display language for displayLocale Optional format locale to use to display the language name Return Values ¶ Display name of the language for the locale in the format appropriate for displayLocale, or false on failure. Changelog ¶ Examples ¶ Example #1 locale_get_display_language () example <?php Jun 26, 2023 · Step 6: Create Middleware. In this file we need to create one middleware that will manage dynamic language that we selected on dropdown. so let's create middleware using bellow language. php artisan make:middleware LanguageManager. Now you have to update middleware file like bellow: Write a PHP program to reverse given number. Input: 234. Output: 432. 10) Reverse String. Write a PHP program to reverse given string. Input: amit. Output: tima. 11) Swap two numbers. 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 ... .