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<?php function crypto_rand_secure($min, $max) { $range = $max - $min; if ($range < 0) return $min; // not so random... $log = log($range, 2); $bytes = (int) ($log / 8) + 1; // length in bytes $bits = (int) $log + 1; // length in bits $filter = (int) (1 << $bits) - 1; // set all lower bits to 1 do { $rnd = hexdec(bin2hex(openssl_random_pseudo_bytes($bytes))); $rnd = $rnd & $filter; // discard irrelevant bits } while ($rnd >= $range); return $min + $rnd; } function getToken($length){ $token = ""; $codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; $codeAlphabet.= "abcdefghijklmnopqrstuvwxyz"; $codeAlphabet.= "0123456789"; for($i=0;$i<$length;$i++){ $token .= $codeAlphabet[crypto_rand_secure(0,strlen($codeAlphabet))]; } return $token; } echo ($token); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $token in /in/Yg16c on line 27
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: token in /in/Yg16c on line 27
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: token in /in/Yg16c on line 27

preferences:
300.15 ms | 402 KiB | 417 Q