ランダムな文字列作成

2021/11/06

PHP5.3.3

function get_random_string($nLengthRequired = 8){
    $sCharList = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    mt_srand();
    $sRes = "";
    for($i = 0; $i < $nLengthRequired; $i++)
        $sRes .= $sCharList[mt_rand(0, strlen($sCharList) - 1)];
    return $sRes;
}