<?php

header("content-type:text/html;charset=utf-8");

/**
*@param $string目标字符串
*@param $key 加密key
*@return string
*/
function encryption($string="",$key="cxphp"){
//str_split把字符串分割到数组中
$strArr = str_split(base64_encode($string));
$strcount = count($strArr);
foreach(str_split($key) as $key=>$value){
$key < $strcount && $strArr[$key].= $value;
return str_replace(array('=','+','/'), array('O0O0O', 'o000o', 'oo00o'), join($strArr));
}
}

/**
*@param $string 解析字符串
*@param $key 揭秘到key
*@return string
*/
function deciphering($string='',$skey='cxphp'){
$strArr = str_split(str_replace(array('O0O0O', 'o000o', 'oo00o'), array('=', '+', '/'), $string), 2);
$strCount = count($strArr);
foreach (str_split($skey) as $key => $value)
$key <= $strCount && @$strArr[$key][1] === $value && $strArr[$key] = $strArr[$key][0];
return base64_decode(join($strArr));
}

$a = encryption('这是我的一条测试数据');
var_dump($a);

$a = '6cLo000oZ5piv5oiR55qE5LiA5p2h5rWL6Ko000oV5pWw5o2u';

$b = deciphering($a);
var_dump($b);

如何用php批量重命名文件

/**
 * php 批量重命名文件
 *
 * @return void
 */
function renamefiles()
{
    $paths = "/path";
    $d = dir($paths);
    while (false !== ($entry = $d->read())) {

        if($entry == '.' || $entry == '..'){

        } else {

        }

        if(strpos($entry, '.mp4')){
            // echo $paths.$entry;
            // echo "原 ".$entry;

            echo "<br>";

            // $newname = strtr($entry, '-t=18121111.htm', '');  
            /*把字符串 "Hello world!" 中的字符 "world" 替换为 "Shanghai"：
                echo str_replace("world","Shanghai","Hello world!");
                substr(string,start,length)*/

            $newname = substr($entry, 0, 2).".mp4";

            echo $newname;

            echo "<br>";       

            rename($paths.$entry, $paths.$newname);
        }


    }
    $d->close();
    echo "done";
}

$GLOBALS[‘HTTP_RAW_POST_DATA’]
如果是json格式可以用下面这个来解析
$a= json_decode($GLOBALS[‘HTTP_RAW_POST_DATA’], true);

php判断GET/POST参数是否存在

if(is_array($_GET)&&count($_GET)>0)//先判断是否通过get传值了
    {
        if(isset($_GET["m"]))//是否存在"m"的参数
        {
           $market = $_GET['m'];//存在
        }
    }else
    {
    echo "没有通过get传值";
    }

<?php
$curl = curl_init();
$url= "https://testapi.xxxx.author/signin";
$email = $_POST["email"];
$pwd = $_POST["password"];
curl_setopt_array($curl, array(
  CURLOPT_URL => $url,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "email=".$email."&password=".$pwd,
  CURLOPT_HTTPHEADER => array(
    "cache-control: no-cache",
    "content-type: application/x-www-form-urlencoded",
    "postman-token: 1ebc8292-5e01-a6fa-9f91-26d3126892e0"
  ),
));

curl_setopt($curl, CURLOPT_HEADER, true);//get all respose include headers & body
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //pass https ssl verification

//$result = curl_getinfo($curl, CURLINFO_HTTP_CODE);
//$headers = apache_request_headers();
$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
?>

[code]
if(is_array($_GET)&&count($_GET)>0)//先判断是否通过get传值了
{
if(isset($_GET["m"]))//是否存在"m"的参数
{
$market = $_GET[‘m’];//存在

}
}else
{
echo "没有通过get传值";
}
[/code]