Wordpress Get Per Day posts for past 30 days

wordpress_per_day_posts_past_30_days.php

<?php

//Last 30 days dates

$dates = array();
for($i = 0; $i < 30; $i++) {
    $dates[] = array('day'=> date("d", strtotime('-'. $i .' days')), 'month'=>date("m", strtotime('-'. $i .' days')), 'year'=>date("Y", strtotime('-'. $i .' days')));
}

//Vars
$each_day_count = array();
$i = 1;

foreach($dates as $date){

	//$args = array('year' => $today["year"], 'monthnum' => $today["mon"], 'day' => $today["mday"], 'nopaging' => true, 'post_status' => 'publish');
	$args = array(
	    'post_type' => 'post',
	    'post_status' => 'publish',
	    'orderby' => 'date',
	    'order' => 'ASC',
	    'nopaging' => true,
	    // Using the date_query to filter posts from everyday
	    'date_query' => array(
			array(
				'year'  => $date['year'],
				'month' => $date['month'],
				'day'   => $date['day'],
			),
		)
	);

	$perdayposts = new WP_Query($args);
	$each_day_count[$i] = $perdayposts->found_posts; //count without pagination
	$i += 1;

}

print_r($each_day_count);

// Output should be 
//Example below
// array(1=>20,2=>1,....);
?>