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is_local_attachment › WordPress Function

Since2.0.0
Deprecatedn/a
› is_local_attachment ( $url )
Parameters:
  • (string) $url URL to check
    Required: Yes
Returns:
  • (bool) True on success, false on failure.
Defined at:
Codex:

Determines whether an attachment URI is local and really an attachment.

For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.


Related Functions: is_attachment, is_locale_switched, wp_ajax_upload_attachment, wp_delete_attachment, wp_count_attachments

Source 

function is_local_attachment( $url ) {
	if ( ! str_contains( $url, home_url() ) ) {
		return false;
	}
	if ( str_contains( $url, home_url( '/?attachment_id=' ) ) ) {
		return true;
	}

	$id = url_to_postid( $url );
	if ( $id ) {
		$post = get_post( $id );
		if ( 'attachment' === $post->post_type ) {
			return true;
		}
	}
	return false;
}