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Function Reference/is category

Contents

Description

This Conditional Tag checks if a Category archive page is being displayed. This is a boolean function, meaning it returns either TRUE or FALSE.

To test if a post is in a category use in_category().

Usage

<?php is_category$category ); ?>

Parameters

$category
(mixed) (optional) Category ID, Category Title, Category Slug or Array of IDs, names, and slugs.
Default: None

Return Values

(boolean) 
True on success, false on failure.

Examples

is_category();
// When any Category archive page is being displayed.

is_category( '9' );
// When the archive page for Category 9 is being displayed.

is_category( 'Stinky Cheeses' );
// When the archive page for the Category with Name "Stinky Cheeses" is being displayed.

is_category( 'blue-cheese' );
// When the archive page for the Category with Category Slug "blue-cheese" is being displayed.

is_category( array( 9, 'blue-cheese', 'Stinky Cheeses' ) );
// Returns true when the category of posts being displayed is either term_ID 9, or slug "blue-cheese", or name "Stinky Cheeses". Note: the array ability was added at Version 2.5.

Notes

Change Log

Source File

is_category() is located in wp-includes/query.php.

Related

See also index of Function Reference and index of Template Tags.