media_send_to_editor( string $html )

Source

File: wp-admin/includes/media.php

function media_send_to_editor( $html ) {
	?>
	<script type="text/javascript">
	var win = window.dialogArguments || opener || parent || top;
	win.send_to_editor( <?php echo wp_json_encode( $html ); ?> );
	</script>
	<?php
	exit;
}