php 生成随机字符串

    xiaoxiao2021-03-26  25

    function randomkeys($length) { $pattern = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLOMNOPQRSTUVWXYZ'; //字符池 for($i=0;$i<$length;$i++) { $key .= $pattern{mt_rand(0,35)}; //生成php随机数 } return $key; } echo randomkeys(8)."<br />"; function randomkeys2($length) { $output=''; for ($a = 0; $a < $length; $a++) { $output .= chr(mt_rand(33, 126)); //生成php随机数 } return $output; } echo randomkeys2(8)."<br />";

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