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 ...Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial. Previous Next PHP Compiler (Editor) With our online PHP compiler, you can edit PHP code, and view the result in your browser. Run » <?php $txt = "PHP"; echo "I love $txt!"; ?> I love PHP! Try it Yourself » Click on the "Try it Yourself" button to see how it works. Publish Your Code 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 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。 适用于php初学者的学习线路和建议. php 开发工具推荐. php 在线工具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 byFactors to Consider When Choosing a PHP Framework. Best PHP Frameworks in 2023 (Comparison Table) 10 Best PHP Frameworks in 2023 (Ranked) Laravel. Symfony. Yii 2. CakePHP. CodeIgniter. Zend Framework.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.pub 2048R/31CBD89E 2016-12-08 Key fingerprint = 5289 95BF EDFB A719 1D46 839E F9BA 0ADA 31CB D89E uid Joe Watkins <[email protected]> pub rsa4096 2021-04-26 [SC] [expires: 2025-11-24] 39B6 4134 3D8C 104B 2B14 6DC3 F9C3 9DC0 B969 8544 uid [ultimate] Ben Ramsey <[email protected]> sub rsa4096 2021-04-26 [E] [expires: 2025-11-24] pub rsa4096 2021-04-01 [SC] F1F6 9223 8FBC 1666 E5A5 CCD4 199F 9DFE F6FF ... Hands down the best IDE for PHP is NuSphere PHPEd. It's a no contest. It is so good that I use WINE to run it on my Mac. PHPEd has an awesome debugger built into it that can be used with their local webserver (totally automatic) or you can just install the dbg module for XAMPP or any other Apache you want to run.Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output.Click on the URL button, Enter URL and Submit. This tool supports loading the PHP File to beautify. Click on the Upload button and select File. It beautify pure PHP framework file such as Laravel, CodeIgniter, YII, CakePHP, Symfony and many more one file at a time. PHP Source Code Beautifier Online works well on Windows, MAC, Linux, Chrome ...A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables:In case the return type cannot be declared for an overriding method due to PHP cross-version compatibility concerns, a #[\ReturnTypeWillChange] attribute can be added to silence the deprecation notice.PHP 8.3.0 RC 1 available for testing. Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Supported Protocols and Wrappers. Variable and Type Related Extensions. "MyClass::myFunc () ""OtherClass::myFunc () ". A class constant, class property (static), and class function (static) can all share ...Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial.Click on the URL button, Enter URL and Submit. This tool supports loading the PHP File to beautify. Click on the Upload button and select File. It beautify pure PHP framework file such as Laravel, CodeIgniter, YII, CakePHP, Symfony and many more one file at a time. PHP Source Code Beautifier Online works well on Windows, MAC, Linux, Chrome ...Feb 13, 2012 · What is the simplest way of doing two way encryption in common PHP installs? I need to be able to encrypt data with a string key, and use the same key to decrypt on the other end. The security isn't as big of a concern as the portability of the code, so I'd like to be able to keep things as simple as possible. 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 trueAug 1, 2023 · Description ¶. $_SERVER is an array containing information such as headers, paths, and script locations. The entries in this array are created by the web server, therefore there is no guarantee that every web server will provide any of these; servers may omit some, or provide others not listed here. However, most of these variables are ... Aug 1, 2023 · It would appear that in php the increment in the left side of the assignment is processed prior to processing the right side of the assignment, whereas in C, neither increment occurs until after the assignment. The simplest way to specify a string is to enclose it in single quotes (the character ' ). To specify a literal single quote, escape it with a backslash ( \ ). To specify a literal backslash, double it ( \\ ). All other instances of backslash will be treated as a literal backslash: this means that the other escape sequences you might be used to ...Jul 24, 2023 · A file with the PHP file extension is a PHP source code file that contains Hypertext Preprocessor code. They are often used as web page files that generate HTML from a PHP engine running on a web server. The HTML content that the PHP engine creates from the code is what's seen in the web browser. Since the web server is where the PHP code is ... 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 ... Mar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. Jun 17, 2021 · Suppose you’re using Linux, you can easily get mcrypt from PECL following the steps below. The instructions below also works for AWS users running on Linux. Step 1 : Install php-pecl with apt-get or yum. sudo apt-get install php-pecl # OR sudo yum install php-pear. Step 2 : Ensure libmcrypt is installed. 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 ...Dec 8, 2021 · 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. Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25PHP - Keep The Values in The Form. To show the values in the input fields after the user hits the submit button, we add a little PHP script inside the value attribute of the following input fields: name, email, and website. In the comment textarea field, we put the script between the <textarea> and </textarea> tags.PHP Tutorials. PHP Hypertext Preprocessor is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. It allow web develop to create dynamic content that interacts with databases. History of PHP. PHP is Created in 1994 by Rasmus Lerdorf. Initially php it is used for track online visitors on web. PrerequisitesJun 17, 2021 · Suppose you’re using Linux, you can easily get mcrypt from PECL following the steps below. The instructions below also works for AWS users running on Linux. Step 1 : Install php-pecl with apt-get or yum. sudo apt-get install php-pecl # OR sudo yum install php-pear. Step 2 : Ensure libmcrypt is installed. May 29, 2023 · PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings. Jun 17, 2022 · 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 participated in the later versions. It is an interpreted language and ... 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.A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: 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 ...A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: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 trueMar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. 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. Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25Equal Operator == The comparison operator called Equal Operator is the double equal sign “==”. This operator accepts two inputs to compare and returns true value if both of the values are same (It compares only value of variable, not data types) and return a false value if both of the values are not same.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 ».Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial. Click on the URL button, Enter URL and Submit. This tool supports loading the PHP File to beautify. Click on the Upload button and select File. It beautify pure PHP framework file such as Laravel, CodeIgniter, YII, CakePHP, Symfony and many more one file at a time. PHP Source Code Beautifier Online works well on Windows, MAC, Linux, Chrome ... 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 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 ». Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25 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.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. Aug 1, 2023 · It would appear that in php the increment in the left side of the assignment is processed prior to processing the right side of the assignment, whereas in C, neither increment occurs until after the assignment. 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.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 participated in the later versions. It is an interpreted language and ...PHP - Keep The Values in The Form. To show the values in the input fields after the user hits the submit button, we add a little PHP script inside the value attribute of the following input fields: name, email, and website. In the comment textarea field, we put the script between the <textarea> and </textarea> tags.Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. PHP operators for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex ... 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 ...Factors to Consider When Choosing a PHP Framework. Best PHP Frameworks in 2023 (Comparison Table) 10 Best PHP Frameworks in 2023 (Ranked) Laravel. Symfony. Yii 2. CakePHP. CodeIgniter. Zend Framework.PHP Create/Retrieve a Cookie. The following example creates a cookie named "user" with the value "John Doe". The cookie will expire after 30 days (86400 * 30). The "/" means that the cookie is available in entire website (otherwise, select the directory you prefer). We then retrieve the value of the cookie "user" (using the global variable ... The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries.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 ...May 30, 2023 · Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output. 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: In PHP, the array () function is used to create an array: array (); In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays. The fwrite () function is used to write to a file. The first parameter of fwrite () contains the name of the file to write to and the second parameter is the string to be written. The example below writes a couple of names into a new file called "newfile.txt": Example <?php $myfile = fopen ("newfile.txt", "w") or die("Unable to open file!"); 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.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-PgSQL Similarly, to use PostgreSQL with PHP you should install the php-pgsql package: sudo apt install php-pgsql Configure PHP. If you have installed the libapache2-mod-php or php-cgi packages, you can run PHP scripts from your web browser. If you have installed the php-cli package, you can run PHP scripts at a terminal prompt.May 30, 2023 · Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output. 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 ...Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details.PHP Tutorials. PHP Hypertext Preprocessor is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. It allow web develop to create dynamic content that interacts with databases. History of PHP. PHP is Created in 1994 by Rasmus Lerdorf. Initially php it is used for track online visitors on web. PrerequisitesPrevious Next PHP Compiler (Editor) With our online PHP compiler, you can edit PHP code, and view the result in your browser. Run » <?php $txt = "PHP"; echo "I love $txt!"; ?> I love PHP! Try it Yourself » Click on the "Try it Yourself" button to see how it works. Publish Your Code In case the return type cannot be declared for an overriding method due to PHP cross-version compatibility concerns, a #[\ReturnTypeWillChange] attribute can be added to silence the deprecation notice.Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial.Jan 14, 2021 · 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 ... 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 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 ».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 ...
Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial. . Jennette
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 ... 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 ...Aug 1, 2023 · Strings. ¶. A string is a series of characters, where a character is the same as a byte. This means that PHP only supports a 256-character set, and hence does not offer native Unicode support. See details of the string type . Note: On 32-bit builds, a string can be as large as up to 2GB (2147483647 bytes maximum) The fwrite () function is used to write to a file. The first parameter of fwrite () contains the name of the file to write to and the second parameter is the string to be written. The example below writes a couple of names into a new file called "newfile.txt": Example <?php $myfile = fopen ("newfile.txt", "w") or die("Unable to open file!");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.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.May 30, 2023 · Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output. Mar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. May 29, 2023 · PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings. PHP Variables. A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9 ...PHP: 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.Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial. Jun 17, 2021 · Suppose you’re using Linux, you can easily get mcrypt from PECL following the steps below. The instructions below also works for AWS users running on Linux. Step 1 : Install php-pecl with apt-get or yum. sudo apt-get install php-pecl # OR sudo yum install php-pear. Step 2 : Ensure libmcrypt is installed. Jan 14, 2021 · 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 ... Dec 23, 2022 · 3. GooTA- Personal Portfolio HTML Template + PHP Full Functional Application. (no longer available) GooTA is a creative template created especially for blogs and portfolios. It was designed using the latest version of Bootstrap so it’s fully responsive and mobile-friendly. 在 PHP 中，赋值运算符 = 用于给变量赋值。 在 PHP 中，算术运算符 + 用于把值加在一起。 PHP 算术运算符 运算符 名称 描述 实例 结果 x + y 加 x 和 y 的和 2 + 2 4 x - y 减 x 和 y 的差 5 - 2 3 x * y 乘 x 和 y 的积 5 * 2 10 x / y 除 x 和 y 的商 15 /..Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial. 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 ... 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..