get_the_author_ID() │ WP 1.5.0

Deprecated since 2.8.0. It is no longer supported and may be removed in future releases. Use get_the_author_meta() instead.

Retrieve the ID of the author of the current post.

No Hooks.

Returns

String|Int. The author's ID.

Usage

get_the_author_ID();

Notes

Changelog

Since 1.5.0 Introduced.
Deprecated since 2.8.0 Use get_the_author_meta()

get_the_author_ID() code WP 6.9

wp-includes/deprecated.php 
function get_the_author_ID() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
	return get_the_author_meta('ID');
}