How to Calculate and display the difference between two dates using PHP? i had try some of methods but i couldn't execute perfectly. anyone can help me
S/N | Event | Duration
----- | ------------- | ------------
01 | Trip- Bangkok | 2016-11-08 to 2016-11-20
02 | Trip-New York | 2016-12-01 to 2016-12-17
but i would like to display like this
S/N | Event | Duration days
----- | ------------- | ------------
01 | Trip- Bangkok | 12 days
02 | Trip-New York | 17 days
My database
<table border="1" width="920px" align="center" cellpadding="3" class="mytable" cellspacing="0" >
<tr>
<th>S/N</th>
<th>Event</th>
<th>Duration</th>
</tr>
<?php
$key="";
if(isset($_POST['searchtxt']))
$key=$_POST['searchtxt'];
if($key !="")
$sql_sel=mysql_query("SELECT * FROM trip_tbl NATURAL JOIN info_tbl WHERE info_name like '%$key%' or event like '%$key%'");
else
$sql_sel=mysql_query("SELECT * FROM info_tbl NATURAL JOIN trip_tbl");
$i=0;
while($row=mysql_fetch_array($sql_sel)){
$i++;
$color=($i%2==0)?"lightblue":"white";
?>
<tr bgcolor="<?php echo $color?>">
<!-- <tr><br><?php echo $i;?></br></tr> -->
<td><p align ="center"><?php echo $i;?></p></td>
<td><font size="4px"><?php echo $row['event'];?></font></td>
<td><font size="4px"><?php echo $row['departure']." to ".$row['arrived'];?></font></td>
</tr>
<?php
}
?>
<tr></tr>
:- I've used DATEDIFF but it's doesn't work out