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smarty_internal_run_filter.php
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smarty_internal_run_filter.php
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<?php
/**
* Smarty Internal Plugin Run Filter
*
* Smarty run filter class
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*/
/**
* Class for filter processing
*/
class Smarty_Internal_Run_Filter {
function __construct($smarty)
{
$this->smarty = $smarty;
}
/**
* Run filters over content
*
* The filters will be lazy loaded if required
* class name format: Smarty_FilterType_FilterName
* plugin filename format: filtertype.filtername.php
* Smarty2 filter plugins could be used
*
* @param string $type the type of filter ('pre','post','output' or 'variable') which shall run
* @param string $content the content which shall be processed by the filters
* @return string the filtered content
*/
public function execute($type, $content, $flag = null)
{
$output = $content;
if ($type != 'variable' || ($this->smarty->variable_filter && $flag !== false) || $flag === true) {
// loop over autoload filters of specified type
if (!empty($this->smarty->autoload_filters[$type])) {
foreach ((array)$this->smarty->autoload_filters[$type] as $name) {
$plugin_name = "Smarty_{$type}filter_{$name}";
if ($this->smarty->loadPlugin($plugin_name)) {
// use class plugin if found
if (class_exists($plugin_name, false)) {
// loaded class of filter plugin
$output = call_user_func_array(array($plugin_name, 'execute'), array($output, $this->smarty));
} elseif (function_exists($plugin_name)) {
// use loaded Smarty2 style plugin
$output = call_user_func_array($plugin_name, array($output, $this->smarty));
}
} else {
// nothing found, throw exception
throw new Exception("Unable to load filter {$plugin_name}");
}
}
}
// loop over registerd filters of specified type
if (!empty($this->smarty->registered_filters[$type])) {
foreach ($this->smarty->registered_filters[$type] as $key => $name) {
$output = call_user_func_array($this->smarty->registered_filters[$type][$key], array($output, $this->smarty));
}
}
}
// return filtered output
return $output;
}
}
?>

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