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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Program to print reverse right Half Pyramid pattern in php


Reverse right Half Pyramid in php

1] Reverse right Half Pyramid in php 

Example :-

<?php
for($i=0;$i<=5;$i++)
{
  for($j=5-$i;$j>=1;$j--)
  {
    echo"*";
//change only  echo ""; value
    //for example :- 1,d,4,h,9,...etc
  }
  echo "<br>";
}
?>
Reverse right Half Pyramid in php

Output :-

reverse right Half Pyramid in php



1] Reverse right Half Pyramid in php 

Example :-


<?php
for($i=0;$i<=5;$i++)
{
  for($j=5-$i;$j>=1;$j--)
  {
    echo"A";
    //change only  echo ""; value
    //for example :- 1,d,4,h,9,...etc
  }
  echo "<br>";
}
?>


Reverse right Half Pyramid in php

Output :-

reverse right Half Pyramid in php



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