Posted By

eortiz on 08/08/12

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Last Edited at 08/08/12 03:53am

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Random numbers from random.org

/ Published in: PHP

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

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<?php
/**
 * Returns a true random number from RANDOM.ORG's integer
 * http interface. Requires cURL.
 *
 * @author Bo Allen
 * @param int $min (Optional) Minimum number (default 1)
 * @param int $max (Optional) Maximum number (default 100)
 * @return mixed Random number (int) on success,
 *               error or message (string) on failure
 */
function get_true_random_number($min = 1, $max = 100) {
    // Validate parameters
    $max = ((int) $max >= 1) ? (int) $max : 100;
    $min = ((int) $min < $max) ? (int) $min : 1;
    // Curl options
    $options = array(
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HEADER => false,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_ENCODING => '',
        CURLOPT_USERAGENT => 'PHP',
        CURLOPT_AUTOREFERER => true,
        CURLOPT_CONNECTTIMEOUT => 120,
        CURLOPT_TIMEOUT => 120,
        CURLOPT_MAXREDIRS => 10,
    );
    // Curl init & run
    $ch = curl_init('http://www.random.org/integers/?num=1&min='
        . $min . '&max=' . $max . '&col=1&base=10&format=plain&rnd=new');
    curl_setopt_array($ch, $options);
    $content = curl_exec($ch);
    curl_close($ch);
    return trim($content);
}

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