PHP adjustment interface Sign verification

This article mainly introduces the verification of the PHP adjustment interface Sign. It has a certain reference value. Now I share it with everyone. Friends in need can refer to it.

<?php
namespace App\Librarys;

class SignUtil{
    /**
     * @param array $params
     * @return string
     */
    public static function getCheckSign($params) {
    	$arrSign = [];
        ksort($params);
        $ts = $params[&#39;ts&#39;];
        $token = &#39;8553d751250eb0846e84d67b6bdf250f&#39;;
        foreach ($params as $k => $v) {
            if ($k == &#39;sign&#39; || $k == &#39;ts&#39;) {
                continue;
            }
            if (is_array($v)) {
                $v = json_encode($v);
            }
            $strTmp = trim($k) . &#39;=&#39; . trim($v);
            $arrSign[$strTmp] = $strTmp;
        }
        $strSign = implode(&#39;&&#39;, $arrSign);
        $sign = md5($strSign.$ts.$token);
        return $sign;
    }

}

   $params = $request->all();  
if(!isset($params['sign'])){  
    return $this->failsmsg('缺少sign校验参数');  
}  
$mySign = SignUtil::getCheckSign($params);  
if($params['sign'] != $mySign){  
    return $this->failsmsg('sign校验失败');  
}

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