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tdm
Smarty Rookie
Joined: 01 May 2003
Posts: 18
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 Posted: Mon May 05, 2003 8:41 am Post subject: Math with dates |
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I want to calculate the age (in years) of a user within a template, I tried it with
| Code: | | {math equation="now - x" x=$results[uid].user_birthdate now=$tmpl.now} |
but then I get an error:
| Code: | | Warning: Smarty error: math: parameter x: is not numeric |
How could I get this working?
Thanks |
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Wom.bat
Smarty Pro
Joined: 24 Apr 2003
Posts: 107
Location: Munich, Germany
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| Posted: Mon May 05, 2003 12:27 pm Post subject: |
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hmm... this requires some effort... you better do that in PHP:
| Code: | function getAge($dateOfBirth) {
if (!ereg ("([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})", $dateOfBirth, $regs))
return false;
$age = date("Y") - $regs[1];
if ($regs[2] > date("m"))
$age--;
elseif ($regs[2] == date("m"))
if ($regs[3] > date("d"))
$age--;
return $age;
} |
from user comments on php.net/date |
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tdm
Smarty Rookie
Joined: 01 May 2003
Posts: 18
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| Posted: Mon May 05, 2003 1:53 pm Post subject: |
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Awsome, that works perfectly 
I transformed it into another Smarty Function, my third already today 
Is it a good way (without much performance lost) to create Smarty functions of most things which are often used on my site?
Thanks!  |
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