<?php
/**
* Smarty plugin
* 
* @package Smarty
* @subpackage Debug
*/

/**
* Smarty debug_print_var modifier plugin
* 
* Type:     modifier<br>
* Name:     debug_print_var<br>
* Purpose:  formats variable contents for display in the console
* 
* @link http://smarty.php.net/manual/en/language.modifier.debug.print.var.php debug_print_var (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com> 
* @param array $ |object
* @param integer $ 
* @param integer $ 
* @return string 
*/
class Smarty_Modifier_Debug_Print_Var {
    static function execute ($var, $depth = 0, $length = 40)
    {
        $_replace = array("\n" => '<i>\n</i>',
            "\r" => '<i>\r</i>',
            "\t" => '<i>\t</i>'
            );

        switch (gettype($var)) {
            case 'array' :
                $results = '<b>Array (' . count($var) . ')</b>';
                foreach ($var as $curr_key => $curr_val) {
                    $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
                     . '<b>' . strtr($curr_key, $_replace) . '</b> =&gt; '
                     . self::execute($curr_val, ++$depth, $length);
                    $depth--;
                } 
                break;
            case 'object' :
                $object_vars = get_object_vars($var);
                $results = '<b>' . get_class($var) . ' Object (' . count($object_vars) . ')</b>';
                foreach ($object_vars as $curr_key => $curr_val) {
                    $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
                     . '<b> -&gt;' . strtr($curr_key, $_replace) . '</b> = '
                     . self::execute($curr_val, ++$depth, $length);
                    $depth--;
                } 
                break;
            case 'boolean' :
            case 'NULL' :
            case 'resource' :
                if (true === $var) {
                    $results = 'true';
                } elseif (false === $var) {
                    $results = 'false';
                } elseif (null === $var) {
                    $results = 'null';
                } else {
                    $results = htmlspecialchars((string) $var);
                } 
                $results = '<i>' . $results . '</i>';
                break;
            case 'integer' :
            case 'float' :
                $results = htmlspecialchars((string) $var);
                break;
            case 'string' :
                $results = strtr($var, $_replace);
                if (strlen($var) > $length) {
                    $results = substr($var, 0, $length - 3) . '...';
                } 
                $results = htmlspecialchars('"' . $results . '"');
                break;
            case 'unknown type' :
            default :
                $results = strtr((string) $var, $_replace);
                if (strlen($results) > $length) {
                    $results = substr($results, 0, $length - 3) . '...';
                } 
                $results = htmlspecialchars($results);
        } 

        return $results;
    } 
} 

?>
