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<?php
/* --------------------------------------------------------------
clean_numeric_input.inc.php 2013-12-11 wue
Gambio GmbH
http://www.gambio.de
Copyright (c) 2013 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
function clean_numeric_input($p_number)
{
$t_return = 0;
$t_matches_array = array();
preg_match('/(.*)[^0-9-]{1}([0-9]*)$/', (string)$p_number, $t_matches_array);
if(empty($t_matches_array))
{
$t_return = $p_number;
}
else
{
$t_return = preg_replace('/[^0-9-]/', '', $t_matches_array[1]) . '.' . $t_matches_array[2];
}
return (double)$t_return;
}