is_single() – Determines whether the query is for an existing single post.

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Description

Determines whether the query is for an existing single post.

Works for any post type, except attachments and pages If the $post parameter is specified, this function will additionally check if the query is for one of the Posts 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_single( $post );

Parameters

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

Returns

bool Whether the query is for an existing single post.

Source

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

1 to 10 of 10
function is_single( $post = '' ) {
  global $wp_query;

  if ( ! isset( $wp_query ) ) {
    _doing_it_wrong( is_single, __( '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_single( $post );
}
 

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