php密码强度检测

发布于：2020-08-08 16:52:55

<?php 
    $score = 0;
    $str='1';           //密码
           if(preg_match("/[0-9]+/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[0-9]{3,}/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[a-z]+/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[a-z]{3,}/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[A-Z]+/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[A-Z]{3,}/",$str))
           {
              $score ++; 
           }
           if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]+/",$str))
           {
              $score += 2; 
           }
           if(preg_match("/[_|\-|+|=|*|!|@|#|$|%|^|&|(|)]{3,}/",$str))
           {
              $score ++ ; 
           }
           if(strlen($str) >= 10)
           {
              $score ++; 
           }
           echo $score;