# 加密解密

# 配置

config.ini.php

$config['aes_key'] = md5('');
$config['aes_iv'] = md5('');

$sign = urlencode(aes_encode(json_encode([ 
   //一些数据                                        
  'time' => time()
]), $ak, $sk));

$arr = json_decode(aes_decode($sign,$ak,$sk),true);
//10秒内有效
if($arr && $arr['time'] > time()-10){
  	    
}

create_sample_sign_url($arr = [])

验证签名链接是否可用,60秒内

verify_sample_sign_url($exp_time = 60);