Conditional Rendering in React Complete Guide with Examples 2026

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  Conditional Rendering in React Conditional Rendering is one of the most useful concepts in React. It means showing different content on the screen depending on a condition. For example: If a user is logged in → show Logout If a user is not logged in → show Login If a student has passed → show Congratulations If a product is available → show Buy Now If data is loading → show Loading... React does not have a separate if rendering tag. Instead, we use normal JavaScript conditions such as if, the ternary operator, &&, and switch to decide what should appear in the UI.
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how to run php program

 How To Run A PHP Code In  XAMPP

how to run php program


How to Install XAMPP ?


 1]   Apachefriends developed XAMPP . 

2] XAMPP available for everyone free of cose,

 3] download XAMPP through the official website

     https://www.apachefriends.org/download.html

∴  completing the download of the  setup file, than installation process  "select components"             section , select all the required components.

 setup




  ∴ Next, Select the directory where you want the software to be installed.it is recommended that you 
      use default directory "c\xampp" and click on "next " to complete the installation.


How to Start a New PHP Program In XAMPP ?

1]  Before you run or start  writing any program in php ,you start Apache & MYSQL.

2] next starting both servers, you have to write a program in Notepad, visual studio code ...... etc.

3]  next writing it, save that file  Name  as "program.php".

4] Before copy that file program.php to c:/program Files/ XAMPP/htdocs.

5]  open the browser and type http://localhost.

6]  Now run your code in that browser. 

 How to Run  a PHP Code using XAMPP?

 1] Before running a php script, you must know anywhere to write it.  

2]  XAMPP directory, there exists a folder called "htdocs" This is Where all the programs for 
     The web pages will be stored.

3]   Now, run a PHP Script.

1]  Go to "C:\xampp\htdocs" and inside it, create a  folder. lets  call it  "demo" it's considered 
     good practice to create  a new folder for every project you work on. 


2] Inside the demo folder, create a new text file and name it "index.php" and write the following script.

  
<?php
echo " hi";
?>
<?+php
echo "<marquee>learn php language </marquee>" ;
?>


3] Now to see the script  output open the XAMPP  control panel  and start Apache to host the local 
   webserver, where our script will be running.




4] Now navigate to your browser and type in "localhost/demo/" in the address bar to view the 

∴  OUTPUT  :


∴ Congratulations with this  you have  created a PHP  file and also executed the          program Successfully.


1) Can we run PHP in XAMPP? 

Yes, you can run PHP  in xampp. First start the XAMPP Server create a program  you want to and  run  http://localhost.


2) How do I run my PHP file?

PHP  files are saved in c:/program  files/XAMPP/htdocs.
you have to open it. click on the program, and it will automatically run on localhost.

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