WordPress at a glance
function is not described

wp_ajax_imgedit_preview() WP 3.1.0

Ajax handler for image editor previews.

No Hooks.

Return

Nothing (null).

Usage

wp_ajax_imgedit_preview();

Code of wp ajax imgedit preview: wp-admin/includes/ajax-actions.php VER 5.0.3

<?php
function wp_ajax_imgedit_preview() {
	$post_id = intval($_GET['postid']);
	if ( empty($post_id) || !current_user_can('edit_post', $post_id) )
		wp_die( -1 );

	check_ajax_referer( "image_editor-$post_id" );

	include_once( ABSPATH . 'wp-admin/includes/image-edit.php' );
	if ( ! stream_preview_image($post_id) )
		wp_die( -1 );

	wp_die();
}