Add missing mainEntity to ProfilePage Schema

add_filter( 'aioseo_schema_output', function ( $schema ) {

	foreach ( $schema as &$schemaItem ) {

		if (

			empty( $schemaItem['mainEntity'] ) &&

			isset( $schemaItem['@type'] ) &&

			'ProfilePage' === $schemaItem['@type']

		) {

			global $wp;

			$current_url              = untrailingslashit( home_url( $wp->request ) );

			$schemaItem['mainEntity'] = [

				'@id' => $current_url . '/#author'

			];

		}

	}

	return $schema;

} );