<?php
$param = '  '; //加密内容

$key = '   ';  //key值

$key = md5($key); 

 

$vi = substr($key,-16);



$method = '  '   ;//16位AES加密算法

 

$conten1 = openssl_encrypt($param, $method, $key,OPENSSL_RAW_DATA,$vi);

$conten1 = base64_encode($conten1);

$value = openssl_decrypt(base64_decode($conten1),$method,$key,OPENSSL_RAW_DATA,$vi);


echo ($param);

echo '<br/>';
echo '<br/>';
print_r($conten1);

echo '<br/>';
echo '<br/>';

echo $value;