is_category() – Determines whether the query is for an existing category archive page.

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Description

Determines whether the query is for an existing category archive page.

If the $category parameter is specified, this function will additionally check if the query is for one of the categories specified. For more information on this and similar theme functions, check out the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ Conditional Tags} article in the Theme Developer Handbook.

Usage

$bool = is_category( $category );

Parameters

$category
( int|string|int[]|string[] ) optional – Optional. Category ID, name, slug, or array of such to check against. Default empty.

Returns

bool Whether the query is for an existing category archive page.

Source

File name: wordpress/wp-includes/query.php
Lines:

1 to 10 of 10
function is_category( $category = '' ) {
  global $wp_query;

  if ( ! isset( $wp_query ) ) {
    _doing_it_wrong( is_category, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
    return false;
  }

  return $wp_query->is_category( $category );
}
 

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