Make instagram imported posts' titles to be the date of the imported image

instagram-importer-make-title-date.php

<?php
/*
Plugin Name: DsgnWrks Instagram Importer - Make Title the Image Date
Plugin URI: http://dsgnwrks.pro/plugins/dsgnwrks-instagram-importer
Description: Set the title of your instagram posts to the date the image was taken
Author URI: http://dsgnwrks.pro
Author: DsgnWrks
Donate link: http://dsgnwrks.pro/give/
Version: 0.1.0
*/

function dsgnwrks_qa_make_title_image_date( $import, $insta_image ) {

	if ( isset( $import['post_title'] ) ) {

		// http://php.net/manual/en/function.date.php
		$date_format = 'Y-m-d H:i:s';

		$import['post_title'] = date( $date_format, $insta_image->created_time );

	}

	return $import;
}
add_filter( 'dsgnwrks_instagram_pre_save', 'dsgnwrks_qa_make_title_image_date', 10, 2 );