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gladiator83x

Difference in Timestamps

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Hi All,

I was wondering if someone could help me out taking the difference of timestamps in mysql or php. According to this website:

http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html

There is a DATEDIFF function that should return expr1-expr2.

When I try to use it I get an error that states: Parse error: parse error, unexpected T_STRING.

The tidbit of code that I am using for this can be used for this is:

$t=SELECT DATEDIFF ($col_value,$creation_ts);
echo $t;

I tried putting quotes around everything, but that still didn't work--any suggestions?
The format of the 2 dates is 2006-07-20 09:30:38.

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You have to run the DATEDIFF from a query as it is a mySQL function.  In this case echoing would simply output SELECT DATEDIFF ($col_value,$creation_ts); (which would need quotes XD).
[code]
<?PHP
$t="SELECT DATEDIFF ( ". $col_value . " ,". $creation_ts .")";
$diff = mysql_query($t);
// I dont know how this should be returned, you may need a mysql_fetch_* of some sort.
?>
[/code]

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