PHP Resource. The special resource type is not an actual data type. It is the storing of a reference to functions and resources external to PHP. A common example of using the resource data type is a database call. We will not talk about the resource type here, since it is an advanced topic.PHP Constants. A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid constant name starts with a letter or underscore (no $ sign before the constant name). Note: Unlike variables, constants are automatically global across the entire script. 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.Let us understand step-by-step how a PHP page works: Step 1: The client requests the webpage on the browser. Step 2: The server (where PHP software is installed) then checks for the .php file associated with the request. Step 3: If found, it sends the file to the PHP interpreter (since PHP is an interpreted language), which checks for requested ...Nick Schäferhoff. Our PHP cheat sheet aims to help anyone trying to get proficient in or improve their knowledge of PHP. The programming language is among the most popular in web development. It’s in the heart of WordPress, the world’s most popular CMS, and also forms the base of other platforms like Joomla and Drupal.Write a PHP program to swap two numbers with and without using third variable. Input: a=5 b=10. Output: a=10 b=5. 12) Adding Two Numbers. Write a PHP program to add two numbers. First Input: 10. Second Input: 20. Output: 30. 13) Subtracting Two Numbers. Write a PHP program to subtract two numbers. First Input: 50. Second Input: 10. Output: 40 ... The sprintf () function writes a formatted string to a variable. The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works "step-by-step". At the first % sign, arg1 is inserted, at the second % sign, arg2 is inserted, etc. Note: If there are more % signs than arguments, you must use placeholders ...PHP 8.0. A full list of GPG keys used for current and older releases is also available. Check the supported versions page for more information on the support lifetime of each version of PHP.Mar 30, 2023 · D. Dharmendra_Kumar. Read. Discuss. Courses. Full form of PHP is Hypertext Preprocessor and earlier it was abbreviated as Personal Home Page. It is a general-purpose programming language used to design a website or web application. It is the server-side scripting language embedded with HTML to develop Static website, Dynamic website, or Web ... Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends with ?>: <?php // PHP code goes here ?> The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code. Dec 6, 2021 · 10 Best PHP Books to Help You Learn PHP. Best PHP Books. The Joy of PHP Programming: A Beginner’s Guide – by Alan Forbes. PHP & MySQL Novice to Ninja – by Kevin Yank. Head First PHP & MySQL – by Lynn Beighley & Michael Morrison. PHP: A Beginner’s Guide – by Vikram Vaswani. Murach’s PHP & MySQL – by Joel Murach & Ray Harris. 7. AND operation: & -> will do the bitwise AND operation , it just doing operation based on the bit values. && -> It will do logical AND operation. It is just the check the values is true or false. Based on the boolean value , it will evaluation the expression. Share. Improve this answer.PHP (Hypertext Processor) is a general-purpose scripting language and interpreter that is freely available and widely used for web development. The language is used primarily for server-side scripting, although it can also be used for command-line scripting and, to a limited degree, desktop applications. The acronym PHP was originally derived ...Elvis ?: returns the first argument if it contains a "true-ish" value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table). Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. <?php function array_identical ($a, $b) {return (is_array ($a) && is_array ($b) && array_diff_assoc ($a, $b) === array_diff_assoc ($b, $a));}?> Example: <?php $a = array (2, 1); $b = array (1, 2); // true === array_equal($a, $b); // false === array_identical($a, $b); $a = array ('a' => 2, 'b' => 1); $b = array ('b' => 1, 'a' => 2);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 you 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 ... Aug 1, 2023 · A full textual representation of the day of the week. Sunday through Saturday. "month". A full textual representation of a month, such as January or March. January through December. 0. Seconds since the Unix Epoch, similar to the values returned by time () and used by date () . System Dependent, typically -2147483648 through 2147483647 . PHP include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute: Abstract classes and methods are when the parent class has a named method, but need its child class (es) to fill out the tasks. An abstract class is a class that contains at least one abstract method. An abstract method is a method that is declared, but not implemented in the code. An abstract class or method is defined with the abstract keyword:Jun 21, 2022 · Variables in a program are used to store some values or data that can be used later in a program. The variables are also like containers that store character values, numeric values, memory addresses, and strings. PHP has its own way of declaring and storing variables. Any variables declared in PHP must begin with a dollar sign ( $ ), followed ... 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 ...Of the adeno-associated viruses (AAVs), AAV9 is known for its capability to cross the blood–brain barrier (BBB) and can, therefore, be used as a noninvasive method to target the central nervous system. Furthermore, the addition of the peptide PhP.B to AAV9 increases its transduction across the BBB by 40-fold. Another neurotropic serotype, AAV5, has been shown as a gene therapeutic delivery ...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 ...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. 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 ...Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions.I've just picked 2 files and put them in my source PHP root . class.phpmailer.php class.smtp.php. In PHP, the file needs to be added . require_once('class.smtp.php'); require_once('class.phpmailer.php'); After this, it's just code: require_once('class.smtp.php'); require_once('class.phpmailer.php'); ...Abstract classes and methods are when the parent class has a named method, but need its child class (es) to fill out the tasks. An abstract class is a class that contains at least one abstract method. An abstract method is a method that is declared, but not implemented in the code. An abstract class or method is defined with the abstract keyword:Sep 28, 2020 · A PHP framework is a platform to create PHP web applications. PHP frameworks provide code libraries for commonly used functions, cutting down on the amount of original code you need to write. There are many good reasons for using PHP frameworks as opposed to coding from scratch. Because PHP frameworks have built-in libraries and tools, the time ... Let us understand step-by-step how a PHP page works: Step 1: The client requests the webpage on the browser. Step 2: The server (where PHP software is installed) then checks for the .php file associated with the request. Step 3: If found, it sends the file to the PHP interpreter (since PHP is an interpreted language), which checks for requested ...Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions.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.Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ... The sprintf () function writes a formatted string to a variable. The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works "step-by-step". At the first % sign, arg1 is inserted, at the second % sign, arg2 is inserted, etc. Note: If there are more % signs than arguments, you must use placeholders ...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.FastCGI Process Manager (FPM) Installation. Configuration. Installation of PECL extensions. Introduction to PECL Installations. Downloading PECL extensions. Installing a PHP extension on Windows. Compiling shared PECL extensions with the pecl command. Compiling shared PECL extensions with phpize.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 ... What is: PHP. Tweet. PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also open source. PHP is a server side language, which means that it runs on your web hosting server. Whenever someone visits your website, their browser ...D. Dharmendra_Kumar. Read. Discuss. Courses. Full form of PHP is Hypertext Preprocessor and earlier it was abbreviated as Personal Home Page. It is a general-purpose programming language used to design a website or web application. It is the server-side scripting language embedded with HTML to develop Static website, Dynamic website, or Web ...Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends with ?>: <?php // PHP code goes here ?> The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code.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.Type Operators. An operator is something that takes one or more values (or expressions, in programming jargon) and yields another value (so that the construction itself becomes an expression). Operators can be grouped according to the number of values they take.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.Mar 4, 2010 · 7. AND operation: & -> will do the bitwise AND operation , it just doing operation based on the bit values. && -> It will do logical AND operation. It is just the check the values is true or false. Based on the boolean value , it will evaluation the expression. Share. Improve this answer. 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 ...Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions.strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE. strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE.<?php function array_identical ($a, $b) {return (is_array ($a) && is_array ($b) && array_diff_assoc ($a, $b) === array_diff_assoc ($b, $a));}?> Example: <?php $a = array (2, 1); $b = array (1, 2); // true === array_equal($a, $b); // false === array_identical($a, $b); $a = array ('a' => 2, 'b' => 1); $b = array ('b' => 1, 'a' => 2);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.Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Abstract classes and methods are when the parent class has a named method, but need its child class (es) to fill out the tasks. An abstract class is a class that contains at least one abstract method. An abstract method is a method that is declared, but not implemented in the code. An abstract class or method is defined with the abstract keyword:Aug 1, 2023 · PHP 8.1.23 Released! Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Aug 1, 2023 · $b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" has a greater precedence than "or" // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f before the "or" operation occurs The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post.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 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 ...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 30, 2023 · D. Dharmendra_Kumar. Read. Discuss. Courses. Full form of PHP is Hypertext Preprocessor and earlier it was abbreviated as Personal Home Page. It is a general-purpose programming language used to design a website or web application. It is the server-side scripting language embedded with HTML to develop Static website, Dynamic website, or Web ... What is: PHP. Tweet. PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also open source. PHP is a server side language, which means that it runs on your web hosting server. Whenever someone visits your website, their browser ...Andrea Sachs. and. Heidi Pérez-Moreno. September 7, 2023 at 11:25 a.m. EDT. (Washington Post Illustration; iStock) 9 min. It was supposed to be a quick trip to pick up her kid from summer camp ...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. Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends with ?>: <?php // PHP code goes here ?> The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code.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. Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. PHP 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 ».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.Sep 4, 2023 · 0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC. 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 PHP include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute: 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 include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute:PHP 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 youClick 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 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.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 What is: PHP. Tweet. PHP is a programming and scripting language to create dynamic interactive websites. WordPress is written using PHP as the scripting language. Just like WordPress, PHP is also open source. PHP is a server side language, which means that it runs on your web hosting server. Whenever someone visits your website, their browser ...Aug 1, 2023 · A full textual representation of the day of the week. Sunday through Saturday. "month". A full textual representation of a month, such as January or March. January through December. 0. Seconds since the Unix Epoch, similar to the values returned by time () and used by date () . System Dependent, typically -2147483648 through 2147483647 . 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.
Dec 23, 2022 · The Definitive PHP 7.2, 7.3, 7.4, 8.0, and 8.1 Benchmarks (2023) The year 2021 has been highly eventful for PHP ( and Kinsta ). PHP 8.0 is already a year old, and the much-anticipated PHP 8.1 was released on November 25, 2021, bringing many exciting features. You can catch up on all the latest PHP 8.1 features in our in-depth post. . Rrauzmws
Write a PHP program to swap two numbers with and without using third variable. Input: a=5 b=10. Output: a=10 b=5. 12) Adding Two Numbers. Write a PHP program to add two numbers. First Input: 10. Second Input: 20. Output: 30. 13) Subtracting Two Numbers. Write a PHP program to subtract two numbers. First Input: 50. Second Input: 10. Output: 40 ...I've just picked 2 files and put them in my source PHP root . class.phpmailer.php class.smtp.php. In PHP, the file needs to be added . require_once('class.smtp.php'); require_once('class.phpmailer.php'); After this, it's just code: require_once('class.smtp.php'); require_once('class.phpmailer.php'); ...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 websitesPHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.<?php function array_identical ($a, $b) {return (is_array ($a) && is_array ($b) && array_diff_assoc ($a, $b) === array_diff_assoc ($b, $a));}?> Example: <?php $a = array (2, 1); $b = array (1, 2); // true === array_equal($a, $b); // false === array_identical($a, $b); $a = array ('a' => 2, 'b' => 1); $b = array ('b' => 1, 'a' => 2);strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE. Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions.strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE. Elvis ?: returns the first argument if it contains a "true-ish" value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table).<?php function array_identical ($a, $b) {return (is_array ($a) && is_array ($b) && array_diff_assoc ($a, $b) === array_diff_assoc ($b, $a));}?> Example: <?php $a = array (2, 1); $b = array (1, 2); // true === array_equal($a, $b); // false === array_identical($a, $b); $a = array ('a' => 2, 'b' => 1); $b = array ('b' => 1, 'a' => 2);PHP Constants. A constant is an identifier (name) for a simple value. The value cannot be changed during the script. A valid constant name starts with a letter or underscore (no $ sign before the constant name). Note: Unlike variables, constants are automatically global across the entire script. PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.10 · Changelog · Upgrading.I've just picked 2 files and put them in my source PHP root . class.phpmailer.php class.smtp.php. In PHP, the file needs to be added . require_once('class.smtp.php'); require_once('class.phpmailer.php'); After this, it's just code: require_once('class.smtp.php'); require_once('class.phpmailer.php'); ...Aug 1, 2023 · Installed as CGI binary. Installed as an Apache module. Persistent Database Connections. — Using PHP from the command line. DTrace Dynamic Tracing. Function Reference. Affecting PHP's Behaviour. Audio Formats Manipulation. Command Line Specific Extensions. PHP include vs. require. The require statement is also used to include a file into the PHP code. However, there is one big difference between include and require; when a file is included with the include statement and PHP cannot find it, the script will continue to execute: 10 hours ago · Andrea Sachs. and. Heidi Pérez-Moreno. September 7, 2023 at 11:25 a.m. EDT. (Washington Post Illustration; iStock) 9 min. It was supposed to be a quick trip to pick up her kid from summer camp ... Welcome. Welcome to the learn-php.org free interactive PHP tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the PHP programming language. There is no need to download anything - just click on the chapter you wish to begin from, and follow the instructions. 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. .