src/FormLib.php
<?php
/*******************************************************************************
Copyright 2014 Whole Foods Co-op
This file is part of IT CORE.
IT CORE is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
IT CORE is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
in the file license.txt along with IT CORE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*********************************************************************************/
namespace COREPOS\common;
class FormLib
{
public static function get($name, $default='')
{
return self::getFormValue($name, $default);
}
/**
Safely fetch a form value
@param $name the field name
@param $default default value if the form value doesn't exist
@return The form value, if available, otherwise the default.
*/
public static function getFormValue($name, $default='')
{
$val = filter_input(INPUT_GET, $name, FILTER_CALLBACK, array('options'=>array('COREPOS\\common\\FormLib', 'filterCallback')));
if ($val === null) {
$val = filter_input(INPUT_POST, $name, FILTER_CALLBACK, array('options'=>array('COREPOS\\common\\FormLib', 'filterCallback')));
}
if ($val === null) {
$val = $default;
}
return $val;
}
/**
Using callback style filtering so the form retrieval
message can return both strings and arrays of strings.
*/
private static function filterCallback($item)
{
return $item;
}
}