php实现简单的对称加解密
public function simple_encode($string = '', $skey = 'tgmnvqufpg') { $strArr = str_split(base64_encode($string)); $strCount = count($strArr); foreach (str_split($skey) as $key => $value) { $key < $strCount && $strArr[$key] .= $value; } return str_replace(array('=', '+', '/'), array('O0O0O', 'o000o', 'oo00o'), join('', $strArr)); } public function simple_decode($string = '', $skey = 'tgmnvqufpg') { $strArr = str_split(str_replace(array('O0O0O', 'o000o', 'oo00o'), array('=', '+', '/'), $string), 2); $strCount = count($strArr); foreach (str_split($skey) as $key => $value) { $key <= $strCount &&