$_POST['link_url'] = esc_html( $_POST['link_url'] );
$_POST['link_url'] = esc_url($_POST['link_url']);
$_POST['link_url'] = esc_html( $_POST['link_url'] );
$_POST['link_url'] = esc_url($_POST['link_url']);
* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function wp_insert_link( $linkdata, $wp_error = false ) {
* @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
*/
function wp_insert_link( $linkdata, $wp_error = false ) {