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is_local_attachment ›

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 Conditional Tags article in the Theme Developer Handbook.


Source

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

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