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Assign Value Based on Condition

 
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kenzor
Smarty Rookie


Joined: 17 Feb 2004
Posts: 9
PostPosted: Thu Feb 09, 2006 2:46 am    Post subject: Assign Value Based on Condition Reply with quote
I was sick of doing:

Code:

{{if $myvar > 5}}
   {{assign var=somevar value=someval}}
{{else}}
   {{assign var=somevar value=someotherval}}
{{/if}}


so I created the assignc function.

Usage: {{assignc var=somevar param1=$myvar param2=5 cond=gt}}

where var is what you wish to assign the result to, param1 and param2 are the values you wish to compare, and cond is the condition you wish to compare them on.

Valid conditions are: eq, eeq, gt, lt, gte, lte, ne.

Code:

function smarty_function_assignc ($_params, &$smarty)
{
    if (!isset($_params['var'])) {
        $smarty->trigger_error("assign: missing 'var' parameter", E_USER_ERROR, __FILE__, __LINE__);
        return;
    }

   if (!isset($_params['param1'])) {
      $_params['param1'] = false;
    }

   if (!isset($_params['param2'])) {
        $_params['param2'] = false;
    }
   
   if (!isset($_params['cond'])) {
        $smarty->trigger_error("assign: missing 'cond' parameter", E_USER_ERROR, __FILE__, __LINE__);
        return;
    }
   
   $result = null;
   
   switch ($_params['cond']) {
      case 'eq':
         $result = ($_params['param1'] == $_params['param2']);
         break;
      
      case 'eeq':
         $result = ($_params['param1'] === $_params['param2']);
         break;
      
      case 'gt':
         $result = ($_params['param1'] > $_params['param2']);
         break;
      
      case 'gte':
         $result = ($_params['param1'] >= $_params['param2']);
         break;
      
      case 'lt':
         $result = ($_params['param1'] < $_params['param2']);
         break;
      
      case 'lte':
         $result = ($_params['param1'] <= $_params['param2']);
         break;
      
      case 'ne':
         $result = ($_params['param1'] != $_params['param2']);
         break;
   }
   
   $smarty->assign($_params['var'], $result);
}
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