/**
* 对数据进行编码转换
* @param array/string $data 数组
* @param string $input 需要转换的编码
* @param string $output 转换后的编码
*/
function array_iconv($data, $input = 'gbk', $output = 'utf-8') {
if (!is_array($data)) {
return iconv($input, $output, $data);
}
else {
foreach ($data as $key=>$val) {
if(is_array($val)) {
$data[$key] = array_iconv($val, $input, $output);
} else {
$data[$key] = iconv($input, $output, $val);
}
}
return $data;
}
}
/** * 检测输入中是否含有错误字符 * * @param char $string 要检查的字符串名称 * @return TRUE or FALSE */ function is_badword($string) { $badwords = array("\\",'&',' ',"'",'"','/','*',',','<','>',"\r","\t","\n","#"); foreach($badwords as $value){ if(strpos($string, $value) !== FALSE) { return TRUE; } } return FALSE; }
/** * 生成随机字符串 * @param string $lenth 长度 * @return string 字符串 */ function create_randomstr($lenth = 6) { return random($lenth, '123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ'); }
/** * 对用户的密码进行加密 * @param $password * @param $encrypt //传入加密串,在修改密码时做认证 * @return array/password */ function password($password, $encrypt='') { $pwd = array(); $pwd['encrypt'] = $encrypt ? $encrypt : create_randomstr(); $pwd['password'] = md5(md5(trim($password)).$pwd['encrypt']); return $encrypt ? $pwd['password'] : $pwd; }