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? ??? ?? PHP ???? PHP ??? ??? ???? ???? ?? ??? ???? ??? ??? ? ????

PHP ??? ??? ???? ???? ?? ??? ???? ??? ??? ? ????

Dec 28, 2024 am 08:50 AM

Why isn't my PHP random string generator working, and how can I fix it?

PHP ??? ??? ??? ?? ??

??? ??? ???? PHP?? ??? ???? ????? ?? ????? ??? ?? ??? ?????. ??? ????. ? ??? ?? ? ?? ?? ???? ?????.

  1. ?? ??: $randstring ??? ??? ? ??? ?????.
  2. ??? ?? ??: ??? ??? ?? ???? ????. loop.

??? ??? ????? ??? ??? ??? ???????.

function generateRandomString($length = 10) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $charactersLength = strlen($characters);
    $randomString = '';

    for ($i = 0; $i < $length; $i++) {
        $randomString .= $characters[random_int(0, $charactersLength - 1)];
    }

    return $randomString;
}

?? ?? ??? ??? ????.

  • ??? ???? ?? ??? ??? ??, ???? 10???.
  • ??? random_int ?? ??? ?? ? ???? ?? rand? ?????.

? ????? ??? ????? ??? ?? ???? ??? ?????.

// Echo the random string.
echo generateRandomString();

// Alternatively, specify a custom length.
echo generateRandomString(64);

?? ??? ???? rand? ????? ?? ?????. ?? ??? ?? ???? ????? ?? ??? ?? random_int? ?????.

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