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Random numbers from random.org

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Random function, thanks to (http://boallen.com/php-get-true-random-number.html "Bo Allen")

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  1. <?php
  2. /**
  3.  * Returns a true random number from RANDOM.ORG's integer
  4.  * http interface. Requires cURL.
  5.  *
  6.  * @author Bo Allen
  7.  * @param int $min (Optional) Minimum number (default 1)
  8.  * @param int $max (Optional) Maximum number (default 100)
  9.  * @return mixed Random number (int) on success,
  10.  *               error or message (string) on failure
  11.  */
  12. function get_true_random_number($min = 1, $max = 100) {
  13.     // Validate parameters
  14.     $max = ((int) $max >= 1) ? (int) $max : 100;
  15.     $min = ((int) $min < $max) ? (int) $min : 1;
  16.     // Curl options
  17.     $options = array(
  18.         CURLOPT_RETURNTRANSFER => true,
  19.         CURLOPT_HEADER => false,
  20.         CURLOPT_FOLLOWLOCATION => true,
  21.         CURLOPT_ENCODING => '',
  22.         CURLOPT_USERAGENT => 'PHP',
  23.         CURLOPT_AUTOREFERER => true,
  24.         CURLOPT_CONNECTTIMEOUT => 120,
  25.         CURLOPT_TIMEOUT => 120,
  26.         CURLOPT_MAXREDIRS => 10,
  27.     );
  28.     // Curl init & run
  29.     $ch = curl_init('http://www.random.org/integers/?num=1&min='
  30.         . $min . '&max=' . $max . '&col=1&base=10&format=plain&rnd=new');
  31.     curl_setopt_array($ch, $options);
  32.     $content = curl_exec($ch);
  33.     curl_close($ch);
  34.     return trim($content);
  35. }

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