/**
* 初始化$_GET、$_POST、$_COOKIE值，XSSClean
* @return void
*/
public function _initRGPC()
{
$rawKeys = array('http_referer');
foreach ($_GET as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_GET[$key] = String::specialchars_decode($value);
}
foreach ($_POST as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_POST[$key] = String::specialchars_decode($value);
}
foreach ($_COOKIE as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_COOKIE[$key] = String::specialchars_decode($value);
}
}
/**
* 初始化$_GET、$_POST、$_COOKIE值，XSSClean
* @return void
*/
public function _initRGPC()
{
$rawKeys = array('http_referer', 'content', 'show_code', 'stat_code', 'powerby', 'jump_url', 'menu_url', 'advert_url', 'html_style', 'html_script', 'html_head', 'html_body');
foreach ($_GET as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_GET[$key] = String::specialchars_decode($value);
}
foreach ($_POST as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_POST[$key] = String::specialchars_decode($value);
}
foreach ($_COOKIE as $key => $value) {
if (in_array($key, $rawKeys)) {
continue;
}
$_COOKIE[$key] = String::specialchars_decode($value);
}
}
/**
* 字符单字节截串，为了优化页面展示，一个汉字按两个字符计算，如果第三个参数小于0，则默认是字符长度
* @param string $input
* @param integer $start
* @param integer $length
* @return string
*/
public function substr($input, $start = 0, $length = -1)
{
$input = String::specialchars_encode($input);
$iptLen = strlen($input);
if ($iptLen <= 0) {
return '';
}
if ($length < 0) {
$length = $iptLen;
}
$end = $start + $length;
if ($start == 0) {
$end++;
}
$pos = $charLen = $noc = 0;
$posLessStart = true;
while ($pos < $iptLen) {
$charLen = $this->charlen($input[$pos]);
$pos += $charLen > 0 ? $charLen : 1;
$noc += $charLen > 1 ? 2 : ($charLen > 0 ? 1 : 0);
if ($posLessStart && $noc >= $start) {
if ($noc === $start) {
$start = $pos;
} else {
$start = $pos - $charLen;
$end--;
}
$posLessStart = false;
}
if ($noc >= $end) {
break;
}
}
if ($noc > $end) {
$pos -= $charLen;
}
$output = substr($input, $start, $pos - $start);
$output = String::specialchars_decode($output);
return $output;
}
