Answers for "get category from post id wordpress"

how to get category from post id

get_the_category($post->ID)

wp get category by id

<?php
$category_id = 21; //use your own category id
$category = get_category( $category_id );
echo $category->name;
echo $category->cat_ID;
//print_r($category);
//to get all the properties of the $category
?>