May 27, 2021 · inc/config.php: holds the configuration information of our application. Mainly, it will hold the database credentials. inc/bootstrap.php: used to bootstrap our application by including the necessary files. Model/Database.php: the database access layer which will be used to interact with the underlying MySQL database. 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 Check End-Of-File - feof() The feof() function checks if the "end-of-file" (EOF) has been reached. The feof() function is useful for looping through data of unknown length. The example below reads the "webdictionary.txt" file line by line, until end-of-file is reached: May 6, 2019 · 2 Ways to Connect to MySQL database using PHP. There are two popular ways to connect to a MySQL database using PHP: With PHP’s MySQLi Extension; With PHP Data Objects (PDO) The guide also includes explanations for the credentials used in the PHP scripts and potential errors you may come across using MySQLi and PDO. PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function. Data types. PHP is loosely typed. It stores integers in a platform-dependent range, either as a 32, 64 or 128-bit signed integer equivalent to the C-language long type. Unsigned integers are converted to signed values in certain situations, which is different behaviour to many other programming languages.The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date 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. International Energy Outlook. Electricity sales for resale. Electricity imports and exports. Wholesale market data. Energy efficiency - life cycle. Detailed EIA-923 emissions survey data. Interactive Interactive Electricity Data. API. Detailed and historical electricity data by survey. Feb 25, 2019 · Hey gang, in this PHP & MySQL tutorial I'll show you how to connect to our new database from the PHP code.-----🐱💻 🐱💻... The CREATE DATABASE statement is used to create a new database in MySQL. Let's make a SQL query using the CREATE DATABASE statement, after that we will execute this SQL query through passing it to the PHP mysqli_query () function to finally create our database. The following example creates a database named demo. Get ID of The Last Inserted Record. If we perform an INSERT or UPDATE on a table with an AUTO_INCREMENT field, we can get the ID of the last inserted/updated record immediately. In the table "MyGuests", the "id" column is an AUTO_INCREMENT field: CREATE TABLE MyGuests (. id INT (6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, The configuration for Laravel's database services is located in your application's config/database.php configuration file. In this file, you may define all of your database connections, as well as specify which connection should be used by default. Most of the configuration options within this file are driven by the values of your application's ... Apr 18, 2023 · Create a MySQL Database Table With PHP . Your database still isn’t ready to store data; you need a table to put the data into. Like creating a new database, you need to connect to your server to do this, but you also need to include the name of your database as a variable. Without this, your SQL queries won’t point anywhere. Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial. Jun 17, 2022 · The term PHP is an acronym for PHP: Hypertext Preprocessor. PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and ... Decoding JSON data is as simple as encoding it. You can use the PHP json_decode () function to convert the JSON encoded string into appropriate PHP data type. The following example demonstrates how to decode or convert a JSON object to PHP object. Example. Run this code ». Decoding JSON data is as simple as encoding it. You can use the PHP json_decode () function to convert the JSON encoded string into appropriate PHP data type. The following example demonstrates how to decode or convert a JSON object to PHP object. Example. Run this code ». Dec 30, 2020 · In this section, we'll quickly go through how you could convert the above PHP pagination example into AJAX-based pagination. We'll revise all the files and discuss the changes that we will need to make. Firstly, let's update the index.php file, as shown in the following snippet. 1. <!DOCTYPE html>. Aug 18, 2023 · 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. Jun 18, 2023 · Step 1 – Start Apache Web Server. Step 2 – Create PHP Project. Step 3 – Execute SQL query to Create Table. Step 4 – Create phpmyadmin MySQL Database Connection File. Step 5 – Create Fetch Data PHP File From Database. Step 6 – Create Html Table To Display Retrieve Data From MySQL DB. Step 7 – Open Browser And Test This Project. Sep 6, 2016 · Mengenal Jenis Tipe Data PHP. Pada artikel lanjutan PHP kali ini Lensakom akan membahas mengenai Tipe Data PHP. Hal yang sangat menarik dari pemograman PHP dibandingkan dengan pemograman lainnya yaitu tipe data PHP tidak perlu dideklarasikan oleh programmer karena pada tipe data PHP ditentukan secara otomatis oleh Intepreter. PHP is a server-side scripting language, which is used to design the dynamic web applications with MySQL database. It handles dynamic content, database as well as session tracking for the website. You can create sessions in PHP. It can access cookies variable and also set cookies. It helps to encrypt the data and apply validation. Dec 30, 2020 · In this section, we'll quickly go through how you could convert the above PHP pagination example into AJAX-based pagination. We'll revise all the files and discuss the changes that we will need to make. Firstly, let's update the index.php file, as shown in the following snippet. 1. <!DOCTYPE html>. 2 Ways to Connect to MySQL database using PHP. There are two popular ways to connect to a MySQL database using PHP: With PHP’s MySQLi Extension; With PHP Data Objects (PDO) The guide also includes explanations for the credentials used in the PHP scripts and potential errors you may come across using MySQLi and PDO.Technical Details. Return Value: Returns the value encoded in JSON in appropriate PHP type. If the JSON object cannot be decoded it returns NULL. PHP Version: 5.2+. PHP Changelog: PHP 7.3: Added JSON_THROWN_ON_ERROR option. PHP 7.2: Added JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options. Mar 15, 2013 · 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. In this case, PHP is strictly compilant with the RFC 2397. Section 3 states that passes data should be either in base64 encoding or urlencoded. VALID USAGE: <?php $fp = fopen ('data:text/plain,'. urlencode ($data), 'rb'); // urlencoded data $fp = fopen ('data:text/plain;base64,'. base64_encode ($data), 'rb'); // base64 encoded data ?>Definition and Usage. The array_values () function returns an array containing all the values of an array. Tip: The returned array will have numeric keys, starting at 0 and increase by 1. 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 ... Create an Array in PHP. 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. Dec 1, 2019 · Instead, the form data or request for the web page gets sent to a web server to be processed by the PHP scripts. The web server then sends the processed HTML back to you (which is where 'Hypertext Preprocessor' in the name comes from), and your web browser displays the results. Oct 8, 2021 · MySQL is an open-source relational database management system (RDBMS). It is the most popular database system used with PHP. MySQL is developed, distributed, and supported by Oracle Corporation. The data in a MySQL database are stored in tables which consists of columns and rows. MySQL is a database system that runs on a server. Jun 2, 2022 · Click once on the bar that shows the current directory then copy the name of the directory, which should be in this format: C:\php-8.1.6. Click the bar once and copy the Directory name. In your windows bar, search for “Edit the systems environment property”. Click on the “environment variables” button, click on “Path”, and then ... Sep 6, 2016 · Mengenal Jenis Tipe Data PHP. Pada artikel lanjutan PHP kali ini Lensakom akan membahas mengenai Tipe Data PHP. Hal yang sangat menarik dari pemograman PHP dibandingkan dengan pemograman lainnya yaitu tipe data PHP tidak perlu dideklarasikan oleh programmer karena pada tipe data PHP ditentukan secara otomatis oleh Intepreter. Technical Details. Return Value: Returns the value encoded in JSON in appropriate PHP type. If the JSON object cannot be decoded it returns NULL. PHP Version: 5.2+. PHP Changelog: PHP 7.3: Added JSON_THROWN_ON_ERROR option. PHP 7.2: Added JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options. The form above sends data to a file called "upload.php", which we will create next. Create The Upload File PHP Script The "upload.php" file contains the code for uploading a file: Decoding JSON data is as simple as encoding it. You can use the PHP json_decode () function to convert the JSON encoded string into appropriate PHP data type. The following example demonstrates how to decode or convert a JSON object to PHP object. Example. Run this code ». Aug 1, 2023 · In this case, PHP is strictly compilant with the RFC 2397. Section 3 states that passes data should be either in base64 encoding or urlencoded. VALID USAGE: <?php $fp = fopen ('data:text/plain,'. urlencode ($data), 'rb'); // urlencoded data $fp = fopen ('data:text/plain;base64,'. base64_encode ($data), 'rb'); // base64 encoded data ?> PHP Output Control Functions. PHP provides a set of functions that control what content is sent to the browser and when. This is referred to as output control. PHP and the backend on which it is running may hold the output in a buffer before sending it to the user. Note: The output control functions can create any number of output buffers. Data types. PHP is loosely typed. It stores integers in a platform-dependent range, either as a 32, 64 or 128-bit signed integer equivalent to the C-language long type. Unsigned integers are converted to signed values in certain situations, which is different behaviour to many other programming languages.Create an Array in PHP. 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. PHP Output Control Functions. PHP provides a set of functions that control what content is sent to the browser and when. This is referred to as output control. PHP and the backend on which it is running may hold the output in a buffer before sending it to the user. Note: The output control functions can create any number of output buffers. Nov 4, 2021 · Introduction. In PHP, as in all programming languages, data types are used to classify one particular type of data. This is important because the specific data type you use will determine what values you can assign to it and what you can do to it (including what operations you can perform on it). In this case, PHP is strictly compilant with the RFC 2397. Section 3 states that passes data should be either in base64 encoding or urlencoded. VALID USAGE: <?php $fp = fopen ('data:text/plain,'. urlencode ($data), 'rb'); // urlencoded data $fp = fopen ('data:text/plain;base64,'. base64_encode ($data), 'rb'); // base64 encoded data ?>Feb 25, 2019 · Hey gang, in this PHP & MySQL tutorial I'll show you how to connect to our new database from the PHP code.-----🐱💻 🐱💻... 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: Sep 6, 2016 · Mengenal Jenis Tipe Data PHP. Pada artikel lanjutan PHP kali ini Lensakom akan membahas mengenai Tipe Data PHP. Hal yang sangat menarik dari pemograman PHP dibandingkan dengan pemograman lainnya yaitu tipe data PHP tidak perlu dideklarasikan oleh programmer karena pada tipe data PHP ditentukan secara otomatis oleh Intepreter. About. phpMyAdmin is a free software tool written in PHP , intended to handle the administration of MySQL over the Web. phpMyAdmin supports a wide range of operations on MySQL and MariaDB. Frequently used operations (managing databases, tables, columns, relations, indexes, users, permissions, etc) can be performed via the user interface, while ... The CREATE DATABASE statement is used to create a new database in MySQL. Let's make a SQL query using the CREATE DATABASE statement, after that we will execute this SQL query through passing it to the PHP mysqli_query () function to finally create our database. The following example creates a database named demo. Data types. PHP is loosely typed. It stores integers in a platform-dependent range, either as a 32, 64 or 128-bit signed integer equivalent to the C-language long type. Unsigned integers are converted to signed values in certain situations, which is different behaviour to many other programming languages.The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date Validate Form Data With PHP. The first thing we will do is to pass all variables through PHP's htmlspecialchars () function. When we use the htmlspecialchars () function; then if a user tries to submit the following in a text field: - this would not be executed, because it would be saved as HTML escaped code, like this: 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 true The htmlspecialchars () function converts some predefined characters to HTML entities. The predefined characters are: & (ampersand) becomes &. " (double quote) becomes ". ' (single quote) becomes '. < (less than) becomes <. > (greater than) becomes >. Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode ... Config File. CodeIgniter has a config file that lets you store your database connection values (username, password, database name, etc.). The config file is located at app/Config/Database.php. You can also set database connection values in the .env file. See below for more details. Validate Form Data With PHP. The first thing we will do is to pass all variables through PHP's htmlspecialchars () function. When we use the htmlspecialchars () function; then if a user tries to submit the following in a text field: - this would not be executed, because it would be saved as HTML escaped code, like this: Data Structures. Introduction; Installing/Configuring. Requirements; Installation; Predefined Constants; Examples; Ds\Collection — The Collection interface. Ds\Collection::clear — Removes all values; Ds\Collection::copy — Returns a shallow copy of the collection; Ds\Collection::isEmpty — Returns whether the collection is emptyMar 15, 2013 · 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 14, 2023 · Include two files database.php, filter-data.php & get-category.php; Create a form with the post method and create the select input field & submit button. The htmlspecialchars () function converts some predefined characters to HTML entities. The predefined characters are: & (ampersand) becomes &. " (double quote) becomes ". ' (single quote) becomes '. < (less than) becomes <. > (greater than) becomes >. Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode ... PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function. Create an Array in PHP. 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. Apr 29, 2022 · Contribute to Docs. PHP supports the following primitive data types: bool: a value that’s either true or false. int: a whole number value. float: a numeric value with decimal. string: a series of characters. array: an ordered map of key/value pairs. object: an instance of a pre-defined class. callable: a reference to a PHP function. 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 Version: 4+ PHP Changelog: PHP 7.2: The headers parameter also accepts an array PHP 5.4: Added header injection protection for the headers parameter. PHP 4.3.0: (Windows only) All custom headers (like From, Cc, Bcc and Date) are supported, and are not case-sensitive. PHP 4.2.3: The parameter parameter is disabled in safe mode Aug 1, 2023 · <?php $tomorrow = mktime (0, 0, 0, date ("m") , date ("d")+ 1, date ("Y")); $lastmonth = mktime (0, 0, 0, date ("m")-1, date ("d"), date ("Y")); $nextyear = mktime (0, 0, 0, date ("m"), date ("d"), date ("Y")+ 1);?> Steps in Detail: Open XAMPP and start running Apache, MySQL and FileZilla Now open your PHP file and write your PHP code to create database and a table in your database. PHP code to create a database: PHP <?php // Server name must be localhost $servername = "localhost"; // In my case, user name will be root $username = "root"; // Password is emptyW3Schools 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. Aug 18, 2023 · 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. 2 Ways to Connect to MySQL database using PHP. There are two popular ways to connect to a MySQL database using PHP: With PHP’s MySQLi Extension; With PHP Data Objects (PDO) The guide also includes explanations for the credentials used in the PHP scripts and potential errors you may come across using MySQLi and PDO.Nov 2, 2020 · Steps in Detail: Open XAMPP and start running Apache, MySQL and FileZilla Now open your PHP file and write your PHP code to create database and a table in your database. PHP code to create a database: PHP <?php // Server name must be localhost $servername = "localhost"; // In my case, user name will be root $username = "root"; // Password is empty The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date 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. The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date PHP Output Control Functions. PHP provides a set of functions that control what content is sent to the browser and when. This is referred to as output control. PHP and the backend on which it is running may hold the output in a buffer before sending it to the user. Note: The output control functions can create any number of output buffers. Config File. CodeIgniter has a config file that lets you store your database connection values (username, password, database name, etc.). The config file is located at app/Config/Database.php. You can also set database connection values in the .env file. See below for more details. Create an Array in PHP. 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. Jun 18, 2023 · Let’s use the below given steps to fetch & update data from MySQL database using form in PHP: Step 1 – Create PHP Project. Step 2 – Execute SQL query to Create Table. Step 3 – Connecting PHP App to Database. Step 4 – Fetch Data From MySQL Database in PHP by Id. Step 5 – Display Data In Html From MySQL DB with PHP. Jun 2, 2022 · Click once on the bar that shows the current directory then copy the name of the directory, which should be in this format: C:\php-8.1.6. Click the bar once and copy the Directory name. In your windows bar, search for “Edit the systems environment property”. Click on the “environment variables” button, click on “Path”, and then ... Definition and Usage. The array_values () function returns an array containing all the values of an array. Tip: The returned array will have numeric keys, starting at 0 and increase by 1. Jun 2, 2022 · Click once on the bar that shows the current directory then copy the name of the directory, which should be in this format: C:\php-8.1.6. Click the bar once and copy the Directory name. In your windows bar, search for “Edit the systems environment property”. Click on the “environment variables” button, click on “Path”, and then ... 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 User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function.
The htmlspecialchars () function converts some predefined characters to HTML entities. The predefined characters are: & (ampersand) becomes &. " (double quote) becomes ". ' (single quote) becomes '. < (less than) becomes <. > (greater than) becomes >. Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode ... . Yahoo atandt email
Data Structures. Introduction; Installing/Configuring. Requirements; Installation; Predefined Constants; Examples; Ds\Collection — The Collection interface. Ds\Collection::clear — Removes all values; Ds\Collection::copy — Returns a shallow copy of the collection; Ds\Collection::isEmpty — Returns whether the collection is emptyPHP supports the following data types: String Integer Float (floating point numbers - also called double) Boolean Array Object NULL Resource PHP String A string is a sequence of characters, like "Hello world!". A string can be any text inside quotes. You can use single or double quotes: Example Get your own PHP Server <?php $x = "Hello world!";Jun 2, 2022 · Click once on the bar that shows the current directory then copy the name of the directory, which should be in this format: C:\php-8.1.6. Click the bar once and copy the Directory name. In your windows bar, search for “Edit the systems environment property”. Click on the “environment variables” button, click on “Path”, and then ... The CREATE DATABASE statement is used to create a new database in MySQL. Let's make a SQL query using the CREATE DATABASE statement, after that we will execute this SQL query through passing it to the PHP mysqli_query () function to finally create our database. The following example creates a database named demo. PHP echo and print Statements. echo and print are more or less the same. They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument ... <?php $tomorrow = mktime (0, 0, 0, date ("m") , date ("d")+ 1, date ("Y")); $lastmonth = mktime (0, 0, 0, date ("m")-1, date ("d"), date ("Y")); $nextyear = mktime (0, 0, 0, date ("m"), date ("d"), date ("Y")+ 1);?>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 user_data - 30 examples found.These are the top rated real world PHP examples of user_data extracted from open source projects. You can rate examples to help us improve the quality of examples. Aug 1, 2023 · <?php $tomorrow = mktime (0, 0, 0, date ("m") , date ("d")+ 1, date ("Y")); $lastmonth = mktime (0, 0, 0, date ("m")-1, date ("d"), date ("Y")); $nextyear = mktime (0, 0, 0, date ("m"), date ("d"), date ("Y")+ 1);?> May 27, 2021 · inc/config.php: holds the configuration information of our application. Mainly, it will hold the database credentials. inc/bootstrap.php: used to bootstrap our application by including the necessary files. Model/Database.php: the database access layer which will be used to interact with the underlying MySQL database. Jun 2, 2022 · Click once on the bar that shows the current directory then copy the name of the directory, which should be in this format: C:\php-8.1.6. Click the bar once and copy the Directory name. In your windows bar, search for “Edit the systems environment property”. Click on the “environment variables” button, click on “Path”, and then ... 2 Ways to Connect to MySQL database using PHP. There are two popular ways to connect to a MySQL database using PHP: With PHP’s MySQLi Extension; With PHP Data Objects (PDO) The guide also includes explanations for the credentials used in the PHP scripts and potential errors you may come across using MySQLi and PDO.Jul 28, 2023 · There is a very simple couple of lines code to connect with the database. In the PHP language, we can make database connection in a below-mentioned way: 1. MySQL. This will work with the MySQL database only. This extension follows the old traditional way of communicating with a database. Now, every coming PHP version has deprecated this approach. The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date Jun 17, 2022 · The term PHP is an acronym for PHP: Hypertext Preprocessor. PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and ... Technical Details. Return Value: Returns the value encoded in JSON in appropriate PHP type. If the JSON object cannot be decoded it returns NULL. PHP Version: 5.2+. PHP Changelog: PHP 7.3: Added JSON_THROWN_ON_ERROR option. PHP 7.2: Added JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options. Mar 15, 2013 · 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. .