How to scroll to top whenever the user clicks the Back To Top Button. Let's quickly write a function for this: const goToTop = () => { document.body.scrollIntoView(); }; goToTop function. The scrollIntoView () ( MDN Reference) function scrolls the page to bring the element it is being called upon into view.login.php is the common login page containg a form. auth.php has a div displaying all previous chats up til now, a textbox and share button on clicking which a form is sent again to auth.php so everytime the form is posted the chatpost is sent to database and auth is reloaded with the latest database within the chat div..Tried return redirect ()->to ($_SERVER ['HTTP_REFERER']); , this would work well. In Codeigniter 4 You can use previous_url () function from url helper. I've tried header ('location:'.$_SERVER ['HTTP_REFERER']); and it's working quite well. Just a one-liner plain old PHP code. // set in session redirect back URL in your common is_logged_in ...project ├── inc │ ├── file1.php │ └── file2.php └── index.php If we do include "inc/file1.php"; from index.php it will work. However, from file1.php to include file2.php we must do an include relative to index.php and not from file1.php (so, include "inc/file2.php";). __DIR__ fixes this, so from file1.php we can do this: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 whose server-side language is known. It is typically ...Contents 1 What is PHP? 2 PHP Benefits 3 What is a Backend as a Service platform? 4 Backend as a Service Features 5 Backend as a Service Benefits 6 The best backend services for your PHP application 7 Back4app 7.1 Core Features 7.2 Pricing 8 Parse 8.1 Core Features 8.2 Pricing 9 Firebase 9.1 Core Features 9.2 Pricing 10 Conclusion 11 General FAQPart of PHP Collective. -1. I have had a look around, but the closest I found was for asp.net. I would like to prevent the user from pressing the back button in the browser, or if possible link him to a different page if he does press the back button. Page 1: Register Page 2: Register Complete When the user presses back it should redirect him ...Part of PHP Collective. -1. I have had a look around, but the closest I found was for asp.net. I would like to prevent the user from pressing the back button in the browser, or if possible link him to a different page if he does press the back button. Page 1: Register Page 2: Register Complete When the user presses back it should redirect him ...Jan 3, 2014 · I use .htaccess to route all of my traffic to a single index.php file. The code below to directs traffic, but for some reason it doesn't work with the back button. I don't know what to do to get the back button working. I've tried a variety of things and googled quite a bit and none of it has worked so I'm hoping someone here can help! 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:Tried return redirect ()->to ($_SERVER ['HTTP_REFERER']); , this would work well. In Codeigniter 4 You can use previous_url () function from url helper. I've tried header ('location:'.$_SERVER ['HTTP_REFERER']); and it's working quite well. Just a one-liner plain old PHP code. // set in session redirect back URL in your common is_logged_in ...History back() 方法 History 对象 定义和用法 back() 方法可加载历史列表中的前一个 URL（如果存在）。 调用该方法的效果等价于点击后退按钮或调用 history.go(-1)。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 ...I get this message after 22.04 upgrade on a Digital Ocean LAMPSTACK droplet: The following packages have been kept back: libapache2-mod-php7.4 php7.4-bz2 php7.4-cli php7.4-common php7.4-json php7.4-mbstring php7.4-opcache php7.4-readline php7.4-zip. 9 packages can be upgraded. Run 'apt list --upgradable' to see them.Example. Create a button to go back two pages: <button onclick="history.go (-2)"> Go Back 2 Pages </button>. The output of the code above will be: Click on Go Back to see how it works. (Will only work if the previous pages exist in your history list) Try it Yourself ».Rolling back a specific migration in Laravel is a straightforward process. Here are the steps to follow: First, open your terminal or command prompt and navigate to your Laravel project directory. Type in the command php artisan migrate:status to view the status of all the migrations in your project.How can I have this in my htaccess: /page.php => redirects to /page /page => shows the page.php /index => redirects to root And how to remove trailing slashes from all URLs, specially th...Jan 20, 2012 · Part of PHP Collective. -1. I have had a look around, but the closest I found was for asp.net. I would like to prevent the user from pressing the back button in the browser, or if possible link him to a different page if he does press the back button. Page 1: Register Page 2: Register Complete When the user presses back it should redirect him ... I couldn't find a functioning solution that would convert any kind of formatted number back to normal number in php. I needed it to work with any kind of number. So it took a while, but I wrote it. It works if the number has up to 2 decimals, but I think that's enough.HTML - PHP, browser back button & the exact history of the page. 0. going back 1 page using php. 0. Back to History not working properly. 0. Go back to URL in user's ...Oct 25, 2010 · HTML - PHP, browser back button & the exact history of the page. 0. going back 1 page using php. 0. Back to History not working properly. 0. Go back to URL in user's ... Jan 31, 2015 · Step 5 : Now, in you index.php file, have a method to check that if the session variable "errormsg" is set or not. If the session variable is set then call the message.php file right away. it will echo that div in you index.php file . The rest of your point may be valid, but point 1, “Many users aren’t aware of their browser back button.” is utterly false. The back button is a key tool in average joe’s toolbox – EVERY user knows about the back button – it’s one of the few things you can assume during a usability test.The real-time data feed is important, improves user experience and allows for better performance, both on the frontend and backend side. Websockets cut down latency and help avoid HTTP roundtrips because once opened, a socket stays open. Also, it’s 2019 and we should use WebSockets. I will show you how to approach this problem in PHP.The redirect back() has quite a few modifications. One of them being simply redirected (). This more or less does the same thing. It takes the user back to the page or circumstance mentioned in the parameters. The redirect back() can be encapsulated with the return() command line and be used with added parameters.PHP Agency is a tech-enabled FMO headquartered in Addison, Texas. PHP’s 27,000+ licensed life insurance agents have educated and served over 450,000 American families.Description The history.back () method loads the previous URL (page) in the history list. The history.back () method only works if a previous page exists. Note history.back () is the same as history.go (-1). history.back () is the same as clicking "Back" your browser. See Also: The history.forward () Method The history.go () Method Nov 21, 2012 · Its goal is to provide the most suitable (or, expected) redirection back to where the user came from. By default, without this code added, the 'Continue Shopping' button of this particular 'view cart' page simply takes the user to the home page of the cart - which sort of blows if the user has navigated a few pages deep to find a set of ... By Taylor Telford. September 3, 2023 at 7:00 a.m. EDT. (iStock) 9 min. After more than two years of trying to coax workers back into offices, bosses are losing their patience. The days of enticing ...A back reference that occurs inside the parentheses to which it refers fails when the subpattern is first used, so, for example, (a\1) never matches. However, such references can be useful inside repeated subpatterns. For example, the pattern (a|b\1)+ matches any number of "a"s and also "aba", "ababba" etc.May 2, 2013 · header ('refresh:5;url=previouspage.php'); See it as a meta-redirect, which you would use in HTML. The refresh:5 indicates the interval is 5 seconds before it redirects, to the url specified as "previouspage.php". This example isn't a button as stated in your question, but it should do the trick :) Also, in addition to this, you could add an ... Step 1- Create a HTML PHP Login Form. Step 2: Create a CSS Code for Website Design. View More. In today's digital age, the importance of online security cannot be ignored. As a result, creating a login form is an essential feature for any website that requires user authentication. The following is a guide on creating a login form in PHP.I use .htaccess to route all of my traffic to a single index.php file. The code below to directs traffic, but for some reason it doesn't work with the back button. I don't know what to do to get the back button working. I've tried a variety of things and googled quite a bit and none of it has worked so I'm hoping someone here can help!The W3Schools online code editor allows you to edit code and view the result in your browser PHP Agency is a tech-enabled FMO headquartered in Addison, Texas. PHP’s 27,000+ licensed life insurance agents have educated and served over 450,000 American families.1) User submit data successfully, jump to page2.php view records. 2) User click "back" button, jump back to page1.php. 3) User submit data fail, stay on page1.php. (because too fast or same name) 4) User submit data successful, jump to page2.php view records. 5) User click "back" button, but browser shows warning message "form will be resubmited".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.Jan 20, 2012 · Part of PHP Collective. -1. I have had a look around, but the closest I found was for asp.net. I would like to prevent the user from pressing the back button in the browser, or if possible link him to a different page if he does press the back button. Page 1: Register Page 2: Register Complete When the user presses back it should redirect him ... Aug 1, 2023 · PHP supports one execution operator: backticks (``). Note that these are not single-quotes! PHP will attempt to execute the contents of the backticks as a shell command; the output will be returned (i.e., it won't simply be dumped to output; it can be assigned to a variable). Use of the backtick operator is identical to shell_exec () . Feb 28, 2019 · The real-time data feed is important, improves user experience and allows for better performance, both on the frontend and backend side. Websockets cut down latency and help avoid HTTP roundtrips because once opened, a socket stays open. Also, it’s 2019 and we should use WebSockets. I will show you how to approach this problem in PHP. In Maryland this week, an elementary school principal mandated several days of mask-wearing for a class of kindergartners after at least four people tested positive for the virus. New York’s ...Step 5 : Now, in you index.php file, have a method to check that if the session variable "errormsg" is set or not. If the session variable is set then call the message.php file right away. it will echo that div in you index.php file .Mar 12, 2011 · Modified 2 years, 2 months ago. Viewed 483k times. Part of PHP Collective. 135. The title of this question kind of explains my question. How do I redirect the PHP page visitor back to their previous page with the header ( "Location: URL of previous page" ); php. redirect. back. The real-time data feed is important, improves user experience and allows for better performance, both on the frontend and backend side. Websockets cut down latency and help avoid HTTP roundtrips because once opened, a socket stays open. Also, it’s 2019 and we should use WebSockets. I will show you how to approach this problem in PHP.Free Text Messaging - Send and Receive Free Text and Picture Messages - Text'em.Nov 21, 2012 · Its goal is to provide the most suitable (or, expected) redirection back to where the user came from. By default, without this code added, the 'Continue Shopping' button of this particular 'view cart' page simply takes the user to the home page of the cart - which sort of blows if the user has navigated a few pages deep to find a set of ... Jan 15, 2023 · Advanced “go back” technique with PHP Better yet, you can kick the accessibility factor up a notch by using PHP’s global HTTP_REFERER variable to write explicitly the previous URL, thereby eliminating the JavaScript requirement (thanks to Rick Beckman for the idea): 2. header ("Cache-Control: no cache"); session_cache_limiter ("private_no_expire"); NOTE: After using the post data what you have submitted from the form then, these two lines should be used at the end of function.so, when we are back to the redirected page, it will not ask you to resubmit the page. This will work.PHP Agency is a tech-enabled FMO headquartered in Addison, Texas. PHP’s 27,000+ licensed life insurance agents have educated and served over 450,000 American families.I have read a few other posts and try to put them together but still could not solve my problem: Navigating back with PHP form submission, php back button. I'm writing template for a long online form, and I'm trying to break the form into several pages.window.history.back () breaks the javascript flow and redirects to previous page, location.reload () is never processed. location.reload () has to be called on the page you redirect to when using window.history.back (). I would used an url to redirect instead of history.back, that gives you both a redirect and refresh.PHP $_POST is a PHP super global variable which is used to collect form data after submitting an HTML form with method="post". $_POST is also widely used to pass variables. 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 ...Coders Strike Back Introduction. If you’re not already familiar with the website CodinGame, I highly recommend you check it out. Its concept is pretty simple, and could be summed up as two ideas: Competitive Programming: you have to write programs in order to solve problems (the input is a general test case, the output is your solution) This call not only sends the header back to the browser — it also returns a 302 redirect status code. PHP 301 Redirect. To set a permanent PHP redirect, you can use the status code 301. Because this code indicates an indefinite redirection, the browser automatically redirects the user using the old URL to the new page address.PHP is definitely worth learning. Even jobs I’ve worked that didn’t directly specify PHP as a requirement still had random Wordpress/Joomla sites that needed updating. It’s all over the web and by learning it you’ll pick up some good programming skills.As Charlotte Dunois stated in the comment, better set session value before sending the form and then check it on page2. page1.php: $_SESSION[ 'display_page2' ] = TRUE; //rest of the contentThis means that some updates will be hold back on some machines while they are being phased. This is being decided by a value derived from the machine-id, the package name, and package version. Manpage for apt_preferences. APT understands a field called Phased-Update-Percentage which can be used to control the rollout of a new version.Create a forward button on a page: <button onclick="history.forward ()"> Go Forward </button>. The output of the code above will be: Go Forward. Click on Go Forward to see how it works. (Will only work if a next page exists in your history list) Try it Yourself ».The window.history object can be written without the window prefix. To protect the privacy of the users, there are limitations to how JavaScript can access this object. Some methods: history.back () - same as clicking back in the browser. history.forward () - same as clicking forward in the browser.Creating a Database. First, we’re going to create our database that contains our sample users. 1. Open phpMyAdmin. 2. Click databases, create a database and name it as “sample”. 3. After creating a database, click the SQL and paste the below code. See image below for detailed instruction.The window.history object can be written without the window prefix. To protect the privacy of the users, there are limitations to how JavaScript can access this object. Some methods: history.back () - same as clicking back in the browser. history.forward () - same as clicking forward in the browser.May 29, 2010 · I couldn't find a functioning solution that would convert any kind of formatted number back to normal number in php. I needed it to work with any kind of number. So it took a while, but I wrote it. It works if the number has up to 2 decimals, but I think that's enough. 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 ...Feb 2, 2012 · Membuat Tombol “Back”. Pada umumnya browser sudah memiliki tombol “back” yang berfungsi untuk kembali ke halaman sebelumnya. Seorang web developer harus mempunyai alasan yang bagus untuk memasangnya pada website, misal karena adanya permintaan khusus dari klien. Namun, artikel ini ditulis bukan demi klien, melainkan demi ilmu pengetahuan. Apr 7, 2023 · Syntax js back() Parameters None. Return value None ( undefined ). Examples The following short example causes a button on the page to navigate back one entry in the session history. HTML html <button id="go-back">Go back!</button> JavaScript js document.getElementById("go-back").addEventListener("click", () => { history.back(); }); Specifications When a PHP page is requested, the server parses the PHP code, which in most cases results in dynamically created HTML. .Net is an open-source programming language that is created for building, deploying, and running applications and services that use .NET technologies. Java back end is software running on a server connecting to databases and ...Jun 12, 2022 · A Back-End developer handles servers, databases, and APIs. In short, one who stores and organizes data communicates with the UI (Front-End) and performs server-side management. For building the structure of a web application, a back-end developer is responsible. For example, if you take any e-commerce website such as Amazon, all that product ... Feb 28, 2019 · The real-time data feed is important, improves user experience and allows for better performance, both on the frontend and backend side. Websockets cut down latency and help avoid HTTP roundtrips because once opened, a socket stays open. Also, it’s 2019 and we should use WebSockets. I will show you how to approach this problem in PHP. 1) It is marked as held back. apt-mark can do this: sudo apt-mark hold <package>. hold is used to mark a package as held back, which will prevent the package from being automatically installed, upgraded or removed. To list all packages marked on hold or find out if a package is on hold use: Aug 1, 2023 · PHP supports one execution operator: backticks (``). Note that these are not single-quotes! PHP will attempt to execute the contents of the backticks as a shell command; the output will be returned (i.e., it won't simply be dumped to output; it can be assigned to a variable). Use of the backtick operator is identical to shell_exec () . PHP 7.1. In order to see the most recent PHP versions available, you can run the following command: repoquery --repoid=EA4 --queryformat="% {name}" | grep -Eoh "ea-php [0-9] {2}" | sort | uniq. AlmaLinux 8 does not provide support for loading the legacy versions of PHP (pre-version 7.2). Support for these earlier versions can loaded using CentOS.Apr 7, 2023 · History: back () method. The History.back () method causes the browser to move back one page in the session history. It has the same effect as calling history.go (-1). If there is no previous page, this method call does nothing. This method is asynchronous. Add a listener for the popstate event in order to determine when the navigation has ... A callback function (often referred to as just "callback") is a function which is passed as an argument into another function. Any existing function can be used as a callback function. To use a function as a callback function, pass a string containing the name of the function as the argument of another function: Example Get your own PHP Server How to scroll to top whenever the user clicks the Back To Top Button. Let's quickly write a function for this: const goToTop = () => { document.body.scrollIntoView(); }; goToTop function. The scrollIntoView () ( MDN Reference) function scrolls the page to bring the element it is being called upon into view.Example. Create a button to go back two pages: <button onclick="history.go (-2)"> Go Back 2 Pages </button>. The output of the code above will be: Click on Go Back to see how it works. (Will only work if the previous pages exist in your history list) Try it Yourself ».<input type="submit" <a href="#" onclick="history.back ();">"Back"</a> <html> <head></head> <body> <?php // get form selection $day = $_GET ['day']; // check value and select appropriate item if ($day == 1) { $special = 'Chicken in oyster sauce'; } elseif ($day == 2) { $special = 'French onion soup'; } elseif ($day == 3) { $spec...JavaScript via PHP. Here, we will provide you with an alternative method of redirection implementing JavaScript via PHP. In JavaScript, there is a windows.location object that is implemented for getting the current URL and redirecting the browser towards a new webpage.Free Text Messaging - Send and Receive Free Text and Picture Messages - Text'em. May 3, 2018 · Go back to previous page with help of php or javascript by therichpost May 3, 2018 by therichpost May 3, 2018 0 comment 1.3K views Bookmark Jan 14, 2023 · Simply go to Appearance » Themes page and click on the theme that you want to rollback. The ‘Theme Details’ popup will appear that displays the name and description of the plugin, a link to enable auto-updates, and a button to customize the theme. You will also notice a ‘Rollback’ button in the bottom right corner. Description The history.back () method loads the previous URL (page) in the history list. The history.back () method only works if a previous page exists. Note history.back () is the same as history.go (-1). history.back () is the same as clicking "Back" your browser. See Also: The history.forward () Method The history.go () Method Feb 2, 2022 · Backend developers typically earn higher salaries than front-end developers, as back end languages tend to be more technical. The average salary for a backend developer is $114,608, while front-end developers earn $100,966. There are also full-stack developers, who can work with both front-end and backend technologies. 2. header ("Cache-Control: no cache"); session_cache_limiter ("private_no_expire"); NOTE: After using the post data what you have submitted from the form then, these two lines should be used at the end of function.so, when we are back to the redirected page, it will not ask you to resubmit the page. This will work.Jan 30, 2017 · window.history.back () breaks the javascript flow and redirects to previous page, location.reload () is never processed. location.reload () has to be called on the page you redirect to when using window.history.back (). I would used an url to redirect instead of history.back, that gives you both a redirect and refresh. Apr 7, 2023 · History: back () method. The History.back () method causes the browser to move back one page in the session history. It has the same effect as calling history.go (-1). If there is no previous page, this method call does nothing. This method is asynchronous. Add a listener for the popstate event in order to determine when the navigation has ...
Syntax js back() Parameters None. Return value None ( undefined ). Examples The following short example causes a button on the page to navigate back one entry in the session history. HTML html <button id="go-back">Go back!</button> JavaScript js document.getElementById("go-back").addEventListener("click", () => { history.back(); }); Specifications. Honda cbr 600 for sale under dollar5000
Oct 25, 2010 · HTML - PHP, browser back button & the exact history of the page. 0. going back 1 page using php. 0. Back to History not working properly. 0. Go back to URL in user's ... PHP is definitely worth learning. Even jobs I’ve worked that didn’t directly specify PHP as a requirement still had random Wordpress/Joomla sites that needed updating. It’s all over the web and by learning it you’ll pick up some good programming skills.I use .htaccess to route all of my traffic to a single index.php file. The code below to directs traffic, but for some reason it doesn't work with the back button. I don't know what to do to get the back button working. I've tried a variety of things and googled quite a bit and none of it has worked so I'm hoping someone here can help!The W3Schools online code editor allows you to edit code and view the result in your browserI couldn't find a functioning solution that would convert any kind of formatted number back to normal number in php. I needed it to work with any kind of number. So it took a while, but I wrote it. It works if the number has up to 2 decimals, but I think that's enough.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. 2. header ("Cache-Control: no cache"); session_cache_limiter ("private_no_expire"); NOTE: After using the post data what you have submitted from the form then, these two lines should be used at the end of function.so, when we are back to the redirected page, it will not ask you to resubmit the page. This will work.A callback/callable variable can act as a function, object method and a static class method. There are various ways to implement a callback. Some of them are discussed below: Standard callback: In PHP, functions can be called using call_user_func () function where arguments is the string name of the function to be called.May 3, 2018 · Go back to previous page with help of php or javascript by therichpost May 3, 2018 by therichpost May 3, 2018 0 comment 1.3K views Bookmark Download Source Code. This photo editing application is one of those elegantly powerful PHP project ideas that blend JavaScript and PHP to produce a web app for users to create beautiful digital artwork. This PHP project also forces you to use object-oriented programming, which is a great way to hone these skills. Mar 29, 2017 · Rename the php folder to php7 in Xampp. Now copy the php folder from xampp-win32-5.6.37-0-VC11.zip into your Xampp install folder. Make a backup from .\xampp\apache\conf\extra\httpd-xampp.conf file. Replace this file from xampp-win32-5.6.37-0-VC11.zip as well. This way the config files (including php.ini) has settings from the Xampp team. Rolling back a specific migration in Laravel is a straightforward process. Here are the steps to follow: First, open your terminal or command prompt and navigate to your Laravel project directory. Type in the command php artisan migrate:status to view the status of all the migrations in your project.Its goal is to provide the most suitable (or, expected) redirection back to where the user came from. By default, without this code added, the 'Continue Shopping' button of this particular 'view cart' page simply takes the user to the home page of the cart - which sort of blows if the user has navigated a few pages deep to find a set of ...1. Yes we can use microtime () as well as time () also instead of rand () , whatever function or variable that gives different value we can use it. BUT make sure that you set that value to SESSION variable. here SESSION is must to check with randcheck field and to prevent from resubmit form. – Savoo.The rest of your point may be valid, but point 1, “Many users aren’t aware of their browser back button.” is utterly false. The back button is a key tool in average joe’s toolbox – EVERY user knows about the back button – it’s one of the few things you can assume during a usability test.The real-time data feed is important, improves user experience and allows for better performance, both on the frontend and backend side. Websockets cut down latency and help avoid HTTP roundtrips because once opened, a socket stays open. Also, it’s 2019 and we should use WebSockets. I will show you how to approach this problem in PHP.May 17, 2023 · PHP 7.1. In order to see the most recent PHP versions available, you can run the following command: repoquery --repoid=EA4 --queryformat="% {name}" | grep -Eoh "ea-php [0-9] {2}" | sort | uniq. AlmaLinux 8 does not provide support for loading the legacy versions of PHP (pre-version 7.2). Support for these earlier versions can loaded using CentOS. Feb 2, 2012 · Membuat Tombol “Back”. Pada umumnya browser sudah memiliki tombol “back” yang berfungsi untuk kembali ke halaman sebelumnya. Seorang web developer harus mempunyai alasan yang bagus untuk memasangnya pada website, misal karena adanya permintaan khusus dari klien. Namun, artikel ini ditulis bukan demi klien, melainkan demi ilmu pengetahuan. 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 ... 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 whose server-side language is known. It is typically ... 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. .