3 * Smarty Internal Plugin Filter Handler
4 * Smarty filter handler class
7 * @subpackage PluginsInternal
12 * Class for filter processing
15 * @subpackage PluginsInternal
17 class Smarty_Internal_Filter_Handler
20 * Run filters over content
21 * The filters will be lazy loaded if required
22 * class name format: Smarty_FilterType_FilterName
23 * plugin filename format: filtertype.filtername.php
24 * Smarty2 filter plugins could be used
26 * @param string $type the type of filter ('pre','post','output') which shall run
27 * @param string $content the content which shall be processed by the filters
28 * @param Smarty_Internal_Template $template template object
30 * @throws SmartyException
31 * @return string the filtered content
33 public static function runFilter($type, $content, Smarty_Internal_Template $template)
36 // loop over autoload filters of specified type
37 if (!empty($template->smarty->autoload_filters[$type])) {
38 foreach ((array) $template->smarty->autoload_filters[$type] as $name) {
39 $plugin_name = "Smarty_{$type}filter_{$name}";
40 if ($template->smarty->loadPlugin($plugin_name)) {
41 if (function_exists($plugin_name)) {
42 // use loaded Smarty2 style plugin
43 $output = $plugin_name($output, $template);
44 } elseif (class_exists($plugin_name, false)) {
45 // loaded class of filter plugin
46 $output = call_user_func(array($plugin_name, 'execute'), $output, $template);
49 // nothing found, throw exception
50 throw new SmartyException("Unable to load filter {$plugin_name}");
54 // loop over registerd filters of specified type
55 if (!empty($template->smarty->registered_filters[$type])) {
56 foreach ($template->smarty->registered_filters[$type] as $key => $name) {
57 if (is_array($template->smarty->registered_filters[$type][$key])) {
58 $output = call_user_func($template->smarty->registered_filters[$type][$key], $output, $template);
60 $output = $template->smarty->registered_filters[$type][$key]($output, $template);
64 // return filtered output