What is The PHP Full Form | What is Hypertext Preprocessor?

What is The PHP Full Form | What is Hypertext Preprocessor?

What is The PHP Full Form | What is Hypertext Preprocessor – Where to Use PHP, Why Use PHP, How to Use PHP, What is the Full Name of PHP, All Such Questions Will Be Answered in This Post.

PHP Full Form – What is PHP

The PHP Full Form is Hypertext Preprocessor. PHP is a server-side scripting language specially produced for Web Development. PHP can be easily embedded in HTML files, and HTML codes can also be written in the PHP file. The thing that separates PHP with a client-side language like HTML is that PHP code is executed on the server while HTML code is provided directly to the browser.

Websites like www.facebook.com, www.yahoo.com have also been created on PHP. One of the main reasons behind this is that PHP can be easily embedded into HTML files and HTML codes can also be written in PHP file.

The only information that the client or browser knows is the result returned after executing the PHP script on the server, not the actual PHP code present in the PHP file. Also, PHP files can support other client-side scripting languages ​​such as CSS and JavaScript.

Rasmus Lerdorf created PHP in 1994, but it was introduced in the market in 1995. A lot of PHP is derived from Syntax C, C ++ and Java. PHP is used for web development by mixing HTML language easily.

PHP is a Server Side Language. So to use PHP, you have to do WAMPServer, and XAMPP Software Installs on your computer. With PHP, you can create Dynamic Website, Static Website, Web Application, Login System, Form, ERP System and much more.

Why Should We Use PHP

PHP is considered more popular language as server-side scripting or as the backend of a website. Data can be received from PHP Forms, and this we can generate dynamic page content, it can work with databases, create sessions, send cookies, send emails etc.

PHP also has a number of hash functions available to encrypt the user data of PHP which make PHP secure. PHP is reliable to be used as a server-side scripting language. PHP has some capabilities that make it suitable to use as a server-side scripting language.

PHP can run at all major operating systems so as Windows, Linux, Unix, Mac OS X etc. Almost all major servers available today support PHP so as. PHP allows access to a wide range of databases. Also, the most important factor is that it is free to use and download, and anyone can download PHP from their official source: www.php.net.

Php basic syntax

PHP or Hypertext Preprocessor is a widely used open-source general-purpose scripting language and can be embedded with HTML. PHP files are saved with the .php extension. PHP scripts can be written anywhere in the document within the PHP tag with normal HTML.

<!DOCTYPE html>
<html>   
   <head>
      <title>PHP Hello Technical Example</title>
   </head>   
   <body>
   <?php
      echo "Hello Technical...! ";
      echo "This is basic example";
   ?>
   </body>
</html>

Common Uses of PHP

  • PHP performs system functions, that is, files on a system can be opened, read, written and closed without it.
  • Through PHP, you can add Elements to your database, Delete, and Modify.
  • By using PHP, you can restrict users to access certain pages of your website.
  • PHP can handle forms, collect data from files, save data to a file. This allows you to send data via email, return data to the user.

Characteristics of PHP

Five important features of PHP that make its Practical Nature possible –

  • Simplicity
  • Efficiency
  • Security
  • Flexibility
  • Familiarity

PHP Data Types

Values ​​given for PHP Variable can be of different Data Types which include more Complex Data Types like Arrays and Objects than Simple String and Numeric Types.

Data Types defines the types of data that a Variable can store. PHP supports a total of eight primitive data types such as Integer, Floating-Point Number or Float, String, Booleans, Array, Object, Resource and NULL. These data types are used to create data. Now let’s discuss each of them in detail –

  • String – String occurs in characters’ sequences where each character is equal to a byte.
  • Boolean – Boolean is like a Switch, with only two possible values ​​True and False.
  • Array – An Array is a variable that can hold more than one Values ​​at a time. The array is useful for collecting a series of related objects.
  • Object – An object is a data type. Stored Data and Information on how to process Object Data.
  • Float – Float Decimal Digits consist of a Number or Extension Form with a Number.
  • Resource – A resource is a special variable that holds the External Resource

PHP Variables

When we want to store any data on our computer laptop, we store it in the computer’s memory space. Instead of remembering the address of the memory space where we have to store our data, our operating system gives us the option to create folders, name them, so that it will be easier for us to find and access it.

Similarly, in any programming scripting language, when we want to use some data value in our program script, we can store it in memory space and name the memory space so that it is easy to access. The name given to the memory space is called Variable.

In PHP, a Variable is Declared using the $ sign, followed by the name Variable.

For Example –

<?php
    $variableName = value;
?>

PHP Variable Declaration Rules

The following rules are given before Variable Declared in PHP –

  • Each PHP Variable name must not start with a number.
  • Each PHP Variable name must begin with a letter or underscore character.
  • The name of each PHP Variable contains only alphanumeric characters (A-Z, a-z, 0-9) and underscores (_).
  • Each PHP Variable must begin with a dollar ($) symbol, and then with the name of Variable.
  • Each PHP Variable is named Case Sensitive, so $ age, $ age, $ AGE, PHP has three different Variables.

PHP Variables Example

<!DOCTYPE html>
<html>
   <body>
      <?php
         $txt = "Hello Technical!";
         $A = 9;
         $B = 30.3;
         echo $txt;
         echo "<br>";
         echo $A;
         echo "<br>";
         echo $B;
      ?>
   </body>
</html>

Output

Hello Friends!
9
30.3

PHP Arrays

Arrays in PHP are a type of data structure that allows us to store multiple elements of the same data type under the same Variable, saving us the effort of creating a different Variable for each data. Arrays help create a list of similar types of elements, which can be accessed working their index about the key.

Suppose we need to store five names and print accordingly. This can be done quickly by using five different String Variables. But if instead of five, the number increases to a hundred, then it would be difficult for the user or developer to create such a different variable. Here arrays come into play and help us to store every element within a single Variable and also allows easy access using an index or key. An Array does create using an array () function in PHP.

PHP Array Types

There are three kinds about Arrays in PHP –

  • Indexed array
  • Multidimensional array
  • Associate array
<!DOCTYPE html>
<html>
   <body>
      <?php
         $student = array("Technical", "Ranjit", "Kanchan", "Sanodiya");
         $arrlength = count($student);

         for($i = 0; $i < $arrlength; $i++) {
            echo $student[$i];
            echo "<br>";
         }
      ?>
   </body>
</html>

Output

Technical
Ranjit
Kanchan
Sanodiya

The Conclusion

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