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Question

我想計算expiry date percentage.But我starting date和expirydate是m/d/Y format.How我會找到starting date和ending date之間的天數存儲在M/d/Y格式的兩個日期之間的天數???這是我的代碼...

foreach ($result['query'] as $row) { 
      $validitystart = $row->validitystart; 
      $expirydate = $row->expirydate; 
      $today = date('m/d/Y'); 
      $maxdiff = date_diff($expirydate, $validitystart); 
      $diff = date_diff($expirydate, $today); 
      $percentage = ($diff * 100)/$maxdiff; 
     } 

Answer 1

其中數百個重複的這裏在計算器上，你可能會發現像這樣帶着幾分搜索

$date1 = DateTime::createFromFormat('m/d/Y', $date1); 
$date2 = DateTime::createFromFormat('m/d/Y', $date2); 

$diffDays = $date2->diff($date1)->format("%a");