is_attachment( int|string|array|object $attachment = '' )

Is the query for an existing attachment page?

Parameters

$attachment

(int|string|array|object) (Optional) Attachment ID, title, slug, or array of such.

Default value: ''

Return

(bool)

Source

File: wp-includes/query.php 

function is_attachment( $attachment = '' ) {
	global $wp_query;

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

	return $wp_query->is_attachment( $attachment );
}

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Related

Uses

Uses
Uses Description
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/class-wp-query.php: WP_Query::is_attachment()

Is the query for an existing attachment page?
wp-includes/functions.php: _doing_it_wrong()

Mark something as being incorrectly called.

Used By

Used By
Used By Description
wp-includes/embed.php: wp_embed_excerpt_attachment()

Filters the post excerpt for the embed template.
wp-includes/link-template.php: get_adjacent_post_link()

Retrieves the adjacent post link.
wp-includes/link-template.php: get_adjacent_post_rel_link()

Retrieves the adjacent post relational link.
wp-includes/link-template.php: adjacent_posts_rel_link_wp_head()

Displays relational links for the posts adjacent to the current post for single post pages.
wp-includes/link-template.php: get_boundary_post()

Retrieves the boundary post.
wp-includes/post-template.php: wp_list_pages()

Retrieve or display list of pages (or hierarchical post type items) in list (li) format.
wp-includes/post-template.php: get_post_class()

Retrieves the classes for the post div as an array.
wp-includes/post-template.php: get_body_class()

Retrieve the classes for the body element as an array.
wp-includes/canonical.php: redirect_canonical()

Redirects incoming links to the proper URL based on the site url.
Show 4 more used by Hide more used by

Changelog

Changelog
Version Description
WP-2.0.0 Introduced.