is_local_attachment( string $url )

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


Description Description

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


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Parameters Parameters

$url

(string) (Required) URL to check


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Return Return

(bool) True on success, false on failure.


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Source Source

File: wp-includes/post.php

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;
}


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Changelog Changelog

Changelog
Version Description
2.0.0 Introduced.

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