Create an Array of the Last 30 Days Using PHP

Question

I am trying to create an array starting with today and going back the last 30 days with PHP and I am having trouble. I can estimate but I don’t know a good way of doing it

Answer 1

For those who want to show sales of the past X days,
As asked in this closed question (https://stackoverflow.com/questions/11193191/how-to-get-last-7-days-using-php#=), this worked for me.

  $sales = Sale::find_all();//the sales object or array

  for($i=0; $i<7; $i++){
    $sale_sum = 0;  //sum of sale initial
    if($i==0){ 
    $day = strtotime("today"); 
  } else {
   $day = strtotime("$i days ago");
  }
  $thisDayInWords = strftime("%A", $day);

  foreach($sales as $sale){
    $date = strtotime($sale->date_of_sale)); //May 30th 2018 10:00:00 AM
    $dateInWords = strftime("%A", $date);

    if($dateInWords == $thisDayInWords){
        $sale_sum += $sale->total_sale;//add only sales of this date... or whatever
    } 
  } 
  //display the results of each day's sale
  echo $thisDayInWords."-".$sale_sum; ?> 

 } 

Before you get angry: I placed this answer here to help someone who was directed here from that question. Couldn't answer there :(