Application:filtering

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Filtering Input

  • You can filter output at two levels.

Globally

By defining a App::filter_all_input(&$input) method in App.php, it receives all page output as an argument and all that is displayed is what it returns. The method is optional.

php code

<?php
class App{
	public static function filter_all_input(&$input){
		foreach($input as $key=>$val){
			$input[$key] = strip_tags($val);
		}
	}
}
?>

Filtering Output

  • You can filter output at two levels.

Globally

By defining a App::filter_all_output($out) method in App.php, it receives all page output as an argument and all that is displayed is what it returns. The method is optional.

php code

<?php
class App{
	function filter_all_output($out){
		return str_replace('found', 'pound', $out);
	}
}
?>
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