PHP convert date interval diff to decimal

Question

I\'m trying to convert the difference between two dates into a total year count, right now I\'m using this:

 $datetime1 = new DateTime(\'2009-10-11\'); 
 $da         


        

Answer 1

Here you can see a function that does exactly that and with many options: http://php.net/manual/es/function.date-diff.php#98615

    y + $diff->m / 12 + $diff->d / 365.25; break;
           case "m":
               $total= $diff->y * 12 + $diff->m + $diff->d/30 + $diff->h / 24;
               break;
           case "d":
               $total = $diff->y * 365.25 + $diff->m * 30 + $diff->d + $diff->h/24 + $diff->i / 60;
               break;
           case "h": 
               $total = ($diff->y * 365.25 + $diff->m * 30 + $diff->d) * 24 + $diff->h + $diff->i/60;
               break;
           case "i": 
               $total = (($diff->y * 365.25 + $diff->m * 30 + $diff->d) * 24 + $diff->h) * 60 + $diff->i + $diff->s/60;
               break;
           case "s": 
               $total = ((($diff->y * 365.25 + $diff->m * 30 + $diff->d) * 24 + $diff->h) * 60 + $diff->i)*60 + $diff->s;
               break;
          }
       if( $diff->invert)
               return -1 * $total;
       else    return $total;
   }

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