PHP method to generate one or more groups of random strings

This article mainly introduces the method of PHP to simply generate one or more groups of random strings, involving PHP's random string-related operating skills based on the rand method. Friends in need can refer to it

The details are as follows :

Generate one group:

<?php
$str = "0123456789abcdefghijklmnopqrstuvwxyz~@#()_";//输出字符集
$n = 10;//输出串长度
$len = strlen($str)-1;
  for($i=0 ; $i<$n; $i++){
    $s .= $str[rand(0,$len)];
  }
  echo $s . "<br/>";
  $s = "";
?>

Generate multiple Group:

<?php
$str = "0123456789abcdefghijklmnopqrstuvwxyz~@#()_";//输出字符集
$n = 10;//输出串长度
$len = strlen($str)-1;
for($j=0 ; $j<200 ; $j++){
  for($i=0 ; $i<$n; $i++){
    $s .= $str[rand(0,$len)];
  }
  echo $s . "<br/>";
  $s = "";
}
?>

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