Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values.PHP Standards Recommendations. According to the PSR Workflow Bylaw each PSR has a status as it is being worked on. Once a proposal has passed the Entrance Vote it will be listed here as "Draft". Unless a PSR is marked as "Accepted" it is subject to change. Draft can change drastically, but Review will only have minor changes.in case the type is an integer it is better if you multiply first, then divide by 100. Example when dividing first: int answer = 50/100 = 0.5 (int rounds 0.5 to 1); answer*width = 1*350 = 350. D'oh. –Republic ( 1946-date) Type. Standard circulation coin. Years. 1995-2017. Value. 5 Pesos (5 piso) 5 PHP = USD 0.09. Currency.WordPress 5.9-RC2 PHP 8.1 benchmark results: 163.43 req/sec 🏆 PHP 8.1 is the clear winner here, proving 47.10% faster than PHP 8.0. That’s a surprising standout here, considering how close all the other results are.Oct 13, 2022 · For example, php_sqlsrv_73_ts_x64.dll is the 64-bit SQLSRV driver for thread-safe (ts) PHP 7.3. Download and install the Microsoft ODBC Driver for SQL Server from the appropriate link on the ODBC download page. Edit your php.ini file to add the following lines in the Extensions section: Extension=php_sqlsrv.dll Nov 9, 2010 · Round to nearest 5 or 9 in PHP. 0. round to nearest multiple of 5 in a range in php. 0. Rounding up the value with 0 and 5. 0. Round down number to nearest 50000 ... Compare our rate and fee with Western Union, ICICI Bank, WorldRemit and more, and see the difference for yourself. Sending 1000.00 GBP with. Recipient gets (Total after fees) Transfer fee. Exchange rate (1 GBP → PHP) Cheapest. 71284.71 PHP Save up to 3017.35 PHP. 6.00 GBP. 71.7150 Mid-market rate. Download and Install 5.5. Advisory: PHP 5.5 is no longer officially supported as of 20 Jun 2016. If you are using this version it is highly recommended that you make plans to upgrade to the latest version of PHP. Here are the methods available for downloading and installing PHP 5.5 on a variety of different platforms.By appending /.php to an ASPX file (or any other file using the .NET framework that is not blocked through the request filtering rules, like misconfigured: .CS,.VB files) IIS/7.5 responds with the full source code of the file and executes it as PHP code.1) Learning PHP, MySQL & JavaScript: With jQuery, CSS & HTML5. 2) Headfirst PHP & MySQL (A Brain-friendly Guide) 3) The Joy of PHP: A Beginner's Guide to Programming Interactive Web Applications with PHP and MySQL. 4) PHP for the Web: Visual QuickStart Guide. 5) PHP and MySQL Web Development (Developer's Library)Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext;WordPress 5.9-RC2 PHP 8.1 benchmark results: 163.43 req/sec 🏆 PHP 8.1 is the clear winner here, proving 47.10% faster than PHP 8.0. That’s a surprising standout here, considering how close all the other results are.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 ».PHP Version: 4+ Changelog: PHP 7.0 - If string = start (in characters long), it will return an empty string. Earlier versions returns FALSE. PHP 5.2.2 - 5.2.6 - If start has the position of a negative truncation, FALSE is returned. Other versions get the string from start.There are no official installer packages for php since 5.4. Well, I mean they might be discontinued, because there are no installers on windows.php.net. PHP 5.4 was implemented long time ago and it is probably should an installer for it, if there are no reasons to discontinue them. Try to install it manually. You may find manual here. –Compare our rate and fee with Western Union, ICICI Bank, WorldRemit and more, and see the difference for yourself. Sending 1000.00 GBP with. Recipient gets (Total after fees) Transfer fee. Exchange rate (1 GBP → PHP) Cheapest. 71284.71 PHP Save up to 3017.35 PHP. 6.00 GBP. 71.7150 Mid-market rate.5 US Dollar to Philippine Peso. 5 US Dollars is 283.030195 Philippine Pesos as of 01:09 AM 08-27-2023. At Myfin online currency converter you can find 5 USD to PHP chart, exchange rate stats and other historical info. USD to PHP. 4 USD.Bootstrap 5 vs. Bootstrap 3 & 4. Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 ...PHP Standards Recommendations. According to the PSR Workflow Bylaw each PSR has a status as it is being worked on. Once a proposal has passed the Entrance Vote it will be listed here as "Draft". Unless a PSR is marked as "Accepted" it is subject to change. Draft can change drastically, but Review will only have minor changes.The PHP 5 documentation was removed from the PHP Manual in September 2020, approximately two years after PHP 5 reached its end of life. However, we have provided downloadable copies of the manual for anyone who would need it, as well as a link to a hosted third-party version.5 US Dollar to Philippine Peso. 5 US Dollars is 283.030195 Philippine Pesos as of 01:09 AM 08-27-2023. At Myfin online currency converter you can find 5 USD to PHP chart, exchange rate stats and other historical info. USD to PHP. 4 USD. So, you've converted 5 US Dollar to 280.965029 Philippine Peso.We used 0.017796 International Currency Exchange Rate. We added the most popular Currencies and CryptoCurrencies for our Calculator.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 ». May 1, 2012 · in case the type is an integer it is better if you multiply first, then divide by 100. Example when dividing first: int answer = 50/100 = 0.5 (int rounds 0.5 to 1); answer*width = 1*350 = 350. D'oh. – Oct 13, 2022 · For example, php_sqlsrv_73_ts_x64.dll is the 64-bit SQLSRV driver for thread-safe (ts) PHP 7.3. Download and install the Microsoft ODBC Driver for SQL Server from the appropriate link on the ODBC download page. Edit your php.ini file to add the following lines in the Extensions section: Extension=php_sqlsrv.dll PHP 5. On 1 July 2004, PHP 5 was released, powered by the new Zend Engine II. PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects (PDO) extension (which defines a lightweight and consistent interface for accessing databases), and numerous performance enhancements.Republic ( 1946-date) Type. Standard circulation coin. Years. 1995-2017. Value. 5 Pesos (5 piso) 5 PHP = USD 0.09. Currency. 1 PHP = 425.04500 VND. As of 1 min ago, 1 PHP → 425.045 VND. Mid market rate. 48 hours. 1 week. 1 month. 6 months. 12 months. 5 years.The conversion rate of Tether (USDT) to PHP is ₱56.95 for every 1 USDT. This means you can exchange 5 USDT for ₱284.74 or ₱50.00 for 0.877999 USDT, excluding fees. Refer to our conversion tables for popular USDT trading amounts in their corresponding PHP prices and vice versa.The PHP 5 documentation was removed from the PHP Manual in September 2020, approximately two years after PHP 5 reached its end of life. However, we have provided downloadable copies of the manual for anyone who would need it, as well as a link to a hosted third-party version.Dec 26, 2012 · The double arrow operator, =>, is used as an access mechanism for arrays. This means that what is on the left side of it will have a corresponding value of what is on the right side of it in array context. This can be used to set values of any acceptable type into a corresponding index of an array. The index can be associative (string based) or ... PHP 5. On 1 July 2004, PHP 5 was released, powered by the new Zend Engine II. PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects (PDO) extension (which defines a lightweight and consistent interface for accessing databases), and numerous performance enhancements. Jan 19, 2015 · PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. Featured on Meta composer create-project--prefer-dist laravel / laravel blog " 5.5.* Local Development Server If you have PHP installed locally and you would like to use PHP's built-in development server to serve your application, you may use the serve Artisan command.Installation. From the Downloads page select the installation package that is appropriate for your target machine. Download and run the installer, which will install and register PHP Manager's binaries with IIS. Note that only IIS versions 7.0 and above are supported. After installation is complete, launch the IIS Manager and find the "PHP ...Sep 2, 2023 · 5 USD = 283.96 PHP at the rate on 2023-09-02. $1 = ₱56.79 at the rate on 2023-09-02. The cost of 5 United States Dollars in Philippine Pesos today is ₱283.96 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate remained unchanged. PHP >= 5.4, PHP < 7; Mcrypt PHP Extension; OpenSSL PHP Extension; Mbstring PHP Extension; Tokenizer PHP Extension; As of PHP 5.5, some OS distributions may require ... Aug 30, 2023 · 1) Learning PHP, MySQL & JavaScript: With jQuery, CSS & HTML5. 2) Headfirst PHP & MySQL (A Brain-friendly Guide) 3) The Joy of PHP: A Beginner's Guide to Programming Interactive Web Applications with PHP and MySQL. 4) PHP for the Web: Visual QuickStart Guide. 5) PHP and MySQL Web Development (Developer's Library) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. Jan 19, 2015 · PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. Featured on Meta 1 PHP = 425.04500 VND. As of 1 min ago, 1 PHP → 425.045 VND. Mid market rate. 48 hours. 1 week. 1 month. 6 months. 12 months. 5 years.Bootstrap 5 vs. Bootstrap 3 & 4. Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 ...Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.I have a big project in php 5 and it's well documented. Now, I want to migrate to php 7.2 and I have already checked the compatibility using phpstan and every thing is alright. So, I wonder if there is a tool that could automatically transform the php 5 annotations to php 7 (like functions declarations and variables )? Thanks in advanceThanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. Convert 5 PHP to USD with the Wise Currency Converter. Analyze historical currency charts or live Philippine peso / US dollar rates and get free rate alerts directly to your email. Dec 12, 2019 · Sorted by: 169. == and != do not take into account the data type of the variables you compare. So these would all return true: '0' == 0 false == 0 NULL == false. === and !== do take into account the data type. That means comparing a string to a boolean will never be true because they're of different types for example. These will all return false: Compare our rate and fee with Western Union, ICICI Bank, WorldRemit and more, and see the difference for yourself. Sending 1000.00 GBP with. Recipient gets (Total after fees) Transfer fee. Exchange rate (1 GBP → PHP) Cheapest. 71284.71 PHP Save up to 3017.35 PHP. 6.00 GBP. 71.7150 Mid-market rate. PHP: PHP 5 ChangeLog. (Opcache segfault when using class constant to call a method). (Type Confusion in WDDX Packet Deserialization). (Zero-height rectangle has whiskers). (imagecrop () add a black line when cropping). (Add optional nowait argument to sem_acquire). (Composer.phar install/update fails). (Wrong argument type hint for function ... Oct 13, 2022 · For example, php_sqlsrv_73_ts_x64.dll is the 64-bit SQLSRV driver for thread-safe (ts) PHP 7.3. Download and install the Microsoft ODBC Driver for SQL Server from the appropriate link on the ODBC download page. Edit your php.ini file to add the following lines in the Extensions section: Extension=php_sqlsrv.dll Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has ... 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 websitesHere's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext;How to convert Philippine pesos to US dollars. 1 Input your amount. Simply type in the box how much you want to convert. 2 Choose your currencies. Click on the dropdown to select PHP in the first dropdown as the currency that you want to convert and USD in the second drop down as the currency you want to convert to.Jun 1, 2021 · I have a big project in php 5 and it's well documented. Now, I want to migrate to php 7.2 and I have already checked the compatibility using phpstan and every thing is alright. So, I wonder if there is a tool that could automatically transform the php 5 annotations to php 7 (like functions declarations and variables )? Thanks in advance PHP Keywords. PHP has a set of keywords that are reserved words which cannot be used as function names, class names or method names. Prior to PHP 7, these keywords could not be used as class property names either: Keyword. Description. abstract. Declare a class as abstract. and. A logical operator.Jan 19, 2015 · PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. Featured on Meta Compare our rate and fee with Western Union, ICICI Bank, WorldRemit and more, and see the difference for yourself. Sending 1000.00 GBP with. Recipient gets (Total after fees) Transfer fee. Exchange rate (1 GBP → PHP) Cheapest. 71284.71 PHP Save up to 3017.35 PHP. 6.00 GBP. 71.7150 Mid-market rate.Students can Download Computer Applications Chapter 5 PHP Function and Array Questions and Answers, Notes Pdf, Samacheer Kalvi 12th Computer Applications Book Solutions Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus and score more marks in your examinations.Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has ... Welcome to the Symfony course for beginners! In this course, you will learn how to use the powerful PHP framework Symfony 5. If you want to learn everything from the basics to advanced topics, to stand-alone implementation of complex web applications in Symfony, this course is for you.The php_url_parse_ex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via vectors involving the smart_str data type. References; Note: References are provided for the convenience of the reader to help distinguish between ...There are no official installer packages for php since 5.4. Well, I mean they might be discontinued, because there are no installers on windows.php.net. PHP 5.4 was implemented long time ago and it is probably should an installer for it, if there are no reasons to discontinue them. Try to install it manually. You may find manual here. –Jul 24, 2016 · The php_url_parse_ex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via vectors involving the smart_str data type. References; Note: References are provided for the convenience of the reader to help distinguish between ... The PHP Standard Recommendation ( PSR) is a PHP specification published by the PHP Framework Interop Group. Similar to Java Specification Request for Java, it serves the standardization of programming concepts in PHP. The aim is to enable interoperability of components and to provide a common technical basis for implementation of proven ...The cheapest VPS solution for custom PHP developer requirements starts at around $5 per month for 1 vCPU and 1 GB RAM. Shared hosting plans allow you to host unlimited domains on a single account with costs as low as $2 to $3 per month. PHP’s popularity is associated with its use in open-source programming communities.Installation. From the Downloads page select the installation package that is appropriate for your target machine. Download and run the installer, which will install and register PHP Manager's binaries with IIS. Note that only IIS versions 7.0 and above are supported. After installation is complete, launch the IIS Manager and find the "PHP ...Jan 30, 2023 · 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. PHP 5. On 1 July 2004, PHP 5 was released, powered by the new Zend Engine II. PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects (PDO) extension (which defines a lightweight and consistent interface for accessing databases), and numerous performance enhancements.Laravel 10 continues the improvements made in Laravel 9.x by introducing argument and return types to all application skeleton methods, as well as all stub files used to generate classes throughout the framework. In addition, a new, developer-friendly abstraction layer has been introduced for starting and interacting with external processes.Bootstrap 5 vs. Bootstrap 3 & 4. Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 ...Aug 1, 2023 · There are two string operators. The first is the concatenation operator ('.'), which returns the concatenation of its right and left arguments. The second is the concatenating assignment operator (' .= '), which appends the argument on the right side to the argument on the left side. Please read Assignment Operators for more information. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Dec 26, 2012 · The double arrow operator, =>, is used as an access mechanism for arrays. This means that what is on the left side of it will have a corresponding value of what is on the right side of it in array context. This can be used to set values of any acceptable type into a corresponding index of an array. The index can be associative (string based) or ... Republic ( 1946-date) Type. Standard circulation coin. Years. 1995-2017. Value. 5 Pesos (5 piso) 5 PHP = USD 0.09. Currency. PHP 5: PHP 7: 1. 64-bit integers as well as large files are not supported as it do not have 64-bit support. Having a 64-bit support , it enables the programmer to use native 64-bit integers and large files. 2. Handling of fatal errors is a bit challenging. Handling of fatal errors is quite simple. 3. Anonymous class concept is not present.Aug 9, 2022 · First, disable the currently enabled version of PHP through the following command: $ sudo a2dismod php8.0. And then, enable the other version of PHP through the following command: $ sudo a2enmod php5.6. Now when you restart the apache2 service through the following command, PHP 5.6 will be enabled on your system. Sep 5, 2023 · So, you've converted 5 US Dollar to 280.965029 Philippine Peso.We used 0.017796 International Currency Exchange Rate. We added the most popular Currencies and CryptoCurrencies for our Calculator. Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheet and more responsiveness. Bootstrap 5 supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported. The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has ...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 ».PHP's new password_hash() (* >= PHP 5.5) function is doing the job for generation of decently long set of uppercase and lowercase characters and numbers.Apr 12, 2023 · Students can Download Computer Applications Chapter 5 PHP Function and Array Questions and Answers, Notes Pdf, Samacheer Kalvi 12th Computer Applications Book Solutions Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus and score more marks in your examinations. The PHP development team is proud to announce the immediate availability of PHP 5.5.0. This release includes a large number of new features and bug fixes. The key features of PHP 5.5.0 include: Added generators and coroutines. Added the finally keyword. Added a simplified password hashing API. Added support for constant array/string dereferencing.See full list on php.net The md5 () function calculates the MD5 hash of a string. The md5 () function uses the RSA Data Security, Inc. MD5 Message-Digest Algorithm. From RFC 1321 - The MD5 Message-Digest Algorithm: "The MD5 message-digest algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input.5 US Dollar to Philippine Peso. 5 US Dollars is 283.030195 Philippine Pesos as of 01:09 AM 08-27-2023. At Myfin online currency converter you can find 5 USD to PHP chart, exchange rate stats and other historical info. USD to PHP. 4 USD. 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 Keywords. PHP has a set of keywords that are reserved words which cannot be used as function names, class names or method names. Prior to PHP 7, these keywords could not be used as class property names either: Keyword. Description. abstract. Declare a class as abstract. and. A logical operator.
There are no official installer packages for php since 5.4. Well, I mean they might be discontinued, because there are no installers on windows.php.net. PHP 5.4 was implemented long time ago and it is probably should an installer for it, if there are no reasons to discontinue them. Try to install it manually. You may find manual here. –. Kayla kaydenpercent27s
5 US Dollar to Philippine Peso. 5 US Dollars is 283.030195 Philippine Pesos as of 01:09 AM 08-27-2023. At Myfin online currency converter you can find 5 USD to PHP chart, exchange rate stats and other historical info. USD to PHP. 4 USD.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.Dec 20, 2022 · Most PHPs require 4-5 days of therapy per week, with scheduled breaks, for 4-8 hours per day. The minimum number of hours for a PHP program is 10 hours per week, with the most hours reaching 50; the average, however, is 20 hours of therapeutic treatment per week. Once treatment is over for the day, the individual is able to return home. First, disable the currently enabled version of PHP through the following command: $ sudo a2dismod php8.0. And then, enable the other version of PHP through the following command: $ sudo a2enmod php5.6. Now when you restart the apache2 service through the following command, PHP 5.6 will be enabled on your system.It contains a dashboard where the users can see the sales stats, maintain the data about the products, and Add New Products. Users can also register and log into the dashboard. 2. Create the Forms. The admin panel template has a full range of UI forms, including registration and login.First, disable the currently enabled version of PHP through the following command: $ sudo a2dismod php8.0. And then, enable the other version of PHP through the following command: $ sudo a2enmod php5.6. Now when you restart the apache2 service through the following command, PHP 5.6 will be enabled on your system.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.Just had a really simple question. I'm making a review system and I want the scores to be rounded off to the nearest multiple of 0.5 So what I mean is: 0 / 0.5 / 1 / 1.5 / 2 / 2.5 /....January 30, 2022 XpertPhp. In this tutorial, We will show you how to use CKEditor 5 in PHP. we can easily install CKEditor 5 and use it. CKEditor 5 is an Open Source text editor. which is provide lots of features such as Formatting features, Basic text styles, font features, image features, embed media into our content. if you want to know more ...The php_url_parse_ex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via vectors involving the smart_str data type. References; Note: References are provided for the convenience of the reader to help distinguish between ...The md5 () function calculates the MD5 hash of a string. The md5 () function uses the RSA Data Security, Inc. MD5 Message-Digest Algorithm. From RFC 1321 - The MD5 Message-Digest Algorithm: "The MD5 message-digest algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input.What is PHP? PHP is an acronym for "PHP: Hypertext Preprocessor" PHP is a widely-used, open source scripting language PHP scripts are executed on the server PHP is free to download and use PHP is an amazing and popular language! It is powerful enough to be at the core of the biggest blogging system on the web (WordPress)!.