PHP隨機函數-集錦

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1 PHP隨機函數收藏 

function random_string($len = 6) {    $chars = array(        "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",        "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",        "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",        "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",        "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",        "3", "4", "5", "6", "7", "8", "9"    );    $charsLen = count($chars) - 1;    shuffle($chars);    // 將數組打亂    $output = "";    for ($i = 0; $i < $len; $i++) {        $output .= $chars[mt_rand(0, $charsLen)];    }    return $output;}

 

function random_code($len = 6) {    $chars = array(        "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"    );    $charsLen = count($chars) - 1;    shuffle($chars);    // 將數組打亂    $output = "";    for ($i = 0; $i < $len; $i++) {        $output .= $chars[mt_rand(0, $charsLen)];    }    return $output;}

 

 function createNonceStr($length = 16) {    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";    $str = "";    for ($i = 0; $i < $length; $i++) {        $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);    }    return $str;}

 

PHP隨機函數-集錦

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