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Easy checkbox handling

 
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TommyD
Smarty Rookie


Joined: 20 Feb 2004
Posts: 18

PostPosted: Wed Oct 13, 2004 10:27 am    Post subject: Easy checkbox handling Reply with quote

usage: {checkbox name="foo" label=#foo# checked=$foo}

Produces a checkbox and a label on the right. You no longer need to do any isset($_REQUEST['foo']) to determine if it was marked or not... nitty, gritty, eh?

Code:
<?php
/**
*  The following code is released under LGPL available at
*  http://www.gnu.org/copyleft/lesser.html.
*
*  You may not modify or remove this header.
*
*  (c) 2004 Thomas Keller <me@thomaskeller.biz>
*/

/**
* Smarty {checkbox} function plugin
*
* Type:     function<br>
* Name:     checkbox<br>
* Input:<br>
*           - name      (required) - string
*           - label     (required) - string
*           - checked   (optional) - boolean
*
* Purpose:  Shorthand for creating checkboxes with <label> tag and
*           checked mechanism
* @param array
* @param Smarty
* @return string
*/
function smarty_function_checkbox($params, &$smarty)
{
    if (!isset($params['name']) || empty($params['name'])) {
        $compiler->_syntax_error("checkbox: 'name' parameter not given or empty.", E_USER_WARNING);
        return;
    }
   
    if (!isset($params['label']) || empty($params['label'])) {
        $compiler->_syntax_error("checkbox: 'label' parameter not given or empty.", E_USER_WARNING);
        return;
    }
   
    $html = "<input type=\"checkbox\" name=\"[[NAME]]\" id=\"[[NAME]]\"";
   
    if (isset($params['checked']) && $params['checked']==1)
    {
        $html .= " checked=\"checked\"";
    }
   
    $html .= " value=\"1\">\n<label for=\"[[NAME]]\">";
    $html .= $params['label'];
    $html .= "</label>\n";
   
    return str_replace("[[NAME]]",$params['name'],$html);
}

?>

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