/**
* 从数组中获取某个键的值
* fetch() 方法调用
* @access private
* @param array
* @param string
* @param string
* @param bool
* @return string
*/
private static function fetchFromArray(&$array, $index = '', $default = '', $xss_clean = FALSE)
{
if (!isset($array[$index])) {
return $default;
}
if ($xss_clean === TRUE) {
return Secure::xssClean($array[$index]);
}
return $array[$index];
}
/**
* 处理输入的值
* sanitizeGlobals() 方法调用
* @access private
* @param string
* @return string
*/
private function cleanInputData($str)
{
if (is_array($str)) {
$new_array = array();
foreach ($str as $key => $val) {
$new_array[$this->cleanInputKeys($key)] = $this->cleanInputData($val);
}
return $new_array;
}
if (!is_php_version('5.4') && get_magic_quotes_gpc()) {
$str = stripslashes($str);
}
// 移除不可见字符
$str = remove_invisible_characters($str);
// 移除xss字符
if ($this->enableXss === TRUE) {
$str = Secure::xssClean($str);
}
// 替换换行符为当前系统换行符
if ($this->standardizeNewlines == TRUE) {
if (strpos($str, "\r") !== FALSE) {
$str = str_replace(array("\r\n", "\r", "\r\n\n"), PHP_EOL, $str);
}
}
return $str;
}