<?php
foreach((get_the_category()) as $category) {
    echo $category->cat_name . ' ';
}
?>

and you can replace the cat_name to be other category factors below

cat_ID

the category id (also stored as ‘term_id’)

cat_name

the category name (also stored as ‘name’)

category_nicename

a slug generated from the category name (also stored as ’slug’)

category_description

the category description (also stored as ‘description’)

category_parent

the category id of the current category’s parent. ‘0′ for no parents. (also stored as ‘parent’)

category_count

the number of uses of this category (also stored as ‘count’)

we can also use the code from wordpress directly,
 <?php the_category(', '); ?>
 <?php the_title(); ?>

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Unable to create directory /xyz/public_html/wp-content/uploads/2009/05. Is its parent directory writable by the server?

What does this error actually mean? It means either the above given path is not correct where the server wants to write the image OR the server itself does not have the permissions (CHMOD) to upload your image?

Now first see if you have the correct path provided for the upload of content. Login to Wp-admin, click on Settings and then choose Miscellaneous option from the left menu

If you have moved from your old server, you would instantly know that you are using wrong path. Change the path now; most probably it should be wp-content/uploads (if your wp-content is in root directory). Save the changes and it should start uploading right away.

Now if you have corrected the path but still it is showing the problem you may consider revising permissions from any FTP client. Right click on Wp-content folder and then select ‘Properties/CHMOD’. You shall see the following window:

Make sure that you assign 755 as the permission value. Remember not to ever give 777 value as that has its own security risks. Once you save these settings, it should certainly work. Share your experience with us after solving the issue

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