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Smarty
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Hpatoio
Smarty Rookie
Joined: 29 Apr 2003
Posts: 25
Location: Italy
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 Posted: Wed Apr 30, 2003 7:15 pm Post subject: Use "default" modifier with a date |
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Ok, Suppose that U need to display the message "Not specified" when a date is not set (i.e. 0000-00-00)
fisrt I modified the "default" modifier like this :
| Code: |
function smarty_modifier_default($string, $default = '')
{
if (!isset($string) || $string == '' || $string == '0000-00-00')
return $default;
else
return $string;
}
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But it works just if U don't use the "date_format" modifier !!
Because if U write in your template:
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{$result.birth_date|default:"Not Specified"|date_format:"%d %B %Y"}
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Smarty display today's date !!!
Any idea ?? 
Simone |
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boots
Administrator
Joined: 16 Apr 2003
Posts: 5611
Location: Toronto, Canada
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| Posted: Sun May 04, 2003 5:01 am Post subject: |
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Don't re-write the modifier and write your template expression as:
| Code: | | {$result.birth_date|date_format:"%d %B %Y"|default:"Not Specified"} |
cheers |
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Hpatoio
Smarty Rookie
Joined: 29 Apr 2003
Posts: 25
Location: Italy
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| Posted: Sun May 04, 2003 7:11 pm Post subject: Are you sure ? |
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Sorry ... but I don't think it works !!
Because if I have '0000-00-00' as date and I use your code ...
I get : "Birthdate : 30 November 1999" 
I have the standard modifier for "default" ...
tell me where I'm wrong !!!
Simone |
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mohrt
Administrator
Joined: 16 Apr 2003
Posts: 7368
Location: Lincoln Nebraska, USA
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| Posted: Sun May 04, 2003 7:31 pm Post subject: |
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date_format uses strtotime() to parse a date. When you pass 0000-00-00 to this, you get back a date representing 1999/11/30. I'm not sure why, but obviously it does not interpret 0000-00-00 the way you want.
If you want to make this work right, don't use 0000-00-00 to represent an empty date, just use an empty string.
Monte |
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messju
Administrator
Joined: 16 Apr 2003
Posts: 3336
Location: Oldenburg, Germany
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| Posted: Sun May 04, 2003 7:37 pm Post subject: |
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i guess (but don't know 100%):
0000-00-00 is equal to 2000-00-00
thats 2000-01-01 minus one month and one day
thats 1999-12-01 minus one day
thats 1999-11-30
thats where the funny date comes from. |
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Hpatoio
Smarty Rookie
Joined: 29 Apr 2003
Posts: 25
Location: Italy
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| Posted: Sun May 04, 2003 7:43 pm Post subject: Ok ... I wrote mime ... |
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I use '0000-00-00' as default "empty" date becuse MySQL give that to me.
I've modified the plugin like this :
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require_once $this->_get_plugin_filepath('shared','make_timestamp');
function smarty_modifier_date_format($string, $format="%b %e, %Y", $default_date=null, $empty_msg="Not specified")
{
if ($string == '0000-00-00' || trim($string) == '') {
if (isset($default_date) && $default_date != '') {
return strftime($format, smarty_make_timestamp($default_date));
} else {
return $empty_msg;
}
}
return strftime($format, smarty_make_timestamp($string));
}
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I have also put an extra parameter $empty_msg so that you can specify the message you want when don't give a date.
... do you think can works
Simone |
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