/**
* Convert numeric key element to boolean value element.
*
* By string_to_array,
* <code>$string = 'foo,bar' => array(0=>'foo',1=>'bar').</code>
* Want options as,
* <code>$string = 'foo,bar' => array('foo'=>true,'bar'=>true).</code>
* Perform this conversion.
*
* @access private
* @static
* @param array $array
* @return array
* @see boolean_to_numeric
* @version $Id: v 1.0 2008-06-07 11:14:46 sonots $
* @since v 1.4
*/
function numeric_to_boolean($array)
{
$options = array();
foreach ($array as $key => $val) {
if (is_numeric($key)) {
$options[$val] = true;
} elseif (is_array($val)) {
$options[$key] = PluginSonotsOption::numeric_to_boolean($val);
} else {
$options[$key] = $val;
}
}
return $options;
}
