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WAMFT1

Date Diff on Array

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Hi Everyone

I have an older coded side that I am looking at for a friend, I need to add in a date diff colum into their existing index page. I can add using the following code onto the indivudually record page can't get it to work on the index. Any help is appreciated.

Code on Individual page which works:::

<HEAD> 
  <?
if($test['settlement_date']=="0000-00-00"){
$date1 = new DateTime($date_received);
$date2 = new DateTime("now");
$interval = $date1->diff($date2);
} else {
$date1 = new DateTime($date_received);
$date2 = new DateTime($settlement_date);	
$interval = $date1->diff($date2);
}
?>
</HEAD>

<Body>
  <?php echo "".$interval->days."";?>
  </BODY>

I was trying to add something similar but as it is a list I can't work out what I need to do.

INDEX::: 

while($test = mysql_fetch_array($result))
			{
				$complaint_id = $test['complaint_id'];	
				echo"<tr>";
				echo"<td class='standard_left'>".$test['complaint_id']."</td>";
				echo"<td class='standard_left'>".$test['status']."</td>";	
				echo"<td class='standard_left'>".$test['LastName'].", ".$test['FirstName']."</td>";	
				echo"<td class='standard_left'><a href ='complaint_view.php?complaint_id=$complaint_id'>".$test['complainant']."</td>";	
				echo"<td class='standard_center'>".$test['date_received']."</td>";	
				echo"<td class='standard_center'>".$test['settlement_date']."</td>";	
				echo"<td class='standard_center'>".$test['interval->days']."</td>";	
				echo "</tr>";

I know it is old redundent code but if I can get this one colum working I would be happy.

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Posted (edited)

Do it in the query.

SELECT date_received
     , settlement_date
     , DATEDIFF(settlement_date, date_received) as interval_days
. . .

edit: Almost forgot - you need to switch from mysql_ functions (obsolete) to mysqli or PDO (recommended)

Edited by Barand

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13 hours ago, Barand said:

SELECT date_received , settlement_date , DATEDIFF(settlement_date, date_received) as interval_days

I don't understand how the above works the 'if' query with date. I've tried so much and I am now just getting frustrated. Going around in circles. 

What I have is as below, I don't know how is should be. and yes, i know i am using obsolete code but it is a temporary fix.

<?php 
		include("../edb.php");
			$result=mysql_query("SELECT * FROM `compliance_complaints` INNER JOIN eusers ON eusers.id = compliance_complaints.adviser  WHERE status='Closed' order by complaint_id DESC ");

if($test['settlement_date']=="0000-00-00"){
$date1 = new DateTime($date_received);
$date2 = new DateTime("now");
$interval = $date1->diff($date2);
} else {
$date1 = new DateTime($date_received);
$date2 = new DateTime($settlement_date);	
$interval = $date1->diff($date2);
}		
while($test = mysql_fetch_array($result))
			{

				$complaint_id = $test['complaint_id'];	
				echo"<tr>";
				echo"<td class='standard_left'>".$test['complaint_id']."</td>";
				echo"<td class='standard_left'>".$test['status']."</td>";	
				echo"<td class='standard_left'>".$test['LastName'].", ".$test['FirstName']."</td>";	
				echo"<td class='standard_left'><a href ='complaint_view.php?complaint_id=$complaint_id'>".$test['complainant']."</td>";	
				echo"<td class='standard_center'>".$test['date_received']."</td>";	
				echo"<td class='standard_center'>".$test['settlement_date']."</td>";	
				echo"<td class='standard_center'>".$test['interval']."</td>";	
				echo "</tr>";
			}
			mysql_close($conn);
			?>

 

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7 hours ago, WAMFT1 said:

I don't understand how the above works the 'if' query with date.

https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_datediff

Example

SELECT * FROM test.compliance_complaints;
+---------------+---------------+-----------------+
| compliance_id | date_received | settlement_date |
+---------------+---------------+-----------------+
|             1 | 2020-04-01    | 2020-04-21      |
|             2 | 2020-05-01    | NULL            |
|             3 | 2020-01-10    | 2020-05-01      |
+---------------+---------------+-----------------+

SELECT compliance_id
     , date_received
     , settlement_date
     , DATEDIFF(COALESCE(settlement_date, CURDATE()), date_received) as interval_days
FROM compliance_complaints;
+---------------+---------------+-----------------+---------------+
| compliance_id | date_received | settlement_date | interval_days |
+---------------+---------------+-----------------+---------------+
|             1 | 2020-04-01    | 2020-04-21      |            20 |
|             2 | 2020-05-01    | NULL            |            11 |
|             3 | 2020-01-10    | 2020-05-01      |           112 |
+---------------+---------------+-----------------+---------------+

 

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I managed to get the DateDiff working, now my Inner Join part doesn;t work.  Wish I knew more about coding. Can someone please help? I can't see what is wrong.

("SELECT adviser, status, complainant, complaint_id, date_received, settlement_date, DATEDIFF(COALESCE(settlement_date, CURDATE()), date_received) as interval_days FROM `compliance_complaints` INNER JOIN eusers ON eusers.id = compliance_complaints.adviser WHERE status='Open' order by complaint_id DESC;"); 

 

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Ignore my last, I have managed to work it out. Finally.

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