/**
* Trims elements in an array, optionally recursively.
* Only values which are scalar or null, will be modified.
* @param array $aArray Array of elements to be trimmed.
* @param bool $aDeep If true, will trim recursively.
* @return array Array of trimmed elements.
*/
public static function trim($aArray, $aDeep = false)
{
$arr = array();
foreach ($aArray as $k => $v) {
if ($v == null || is_scalar($v)) {
$arr[$k] = trim($v);
} else {
if ($aDeep) {
$arr[$k] = StructUtils::trim($v, $aDeep);
} else {
$arr[$k] = $v;
}
}
}
return $arr;
}
