#!/usr/bin/php
<?php

$rows = 5;
$cols = 11;

function crypto_rand_secure($min, $max) {
  $range = $max - $min;
  if ($range < 0)                       		// not so random...
    return $min;
  $log    = log($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

//  $fp = @fopen('/dev/urandom','rb');			// use for testing
  $fp = @fopen('/dev/random','rb');			// *nix/*BSD
//  $fp = @fopen('/dev/hwrng','rb');			// raspberry pi (requires root)
//  $fp = @fopen('/var/run/rtl_entropy.fifo','rb');	// rtl-entropy
  do {
    $rnd = hexdec(bin2hex(@fread($fp, $bytes)));
    $rnd = $rnd & $filter;              		// discard irrelevant bits
  } while ($rnd > $range);
  @fclose($fp);
  return $min + $rnd;
}

$colcount = 0;
while ($colcount < $cols) {
  $rowcount = 0;
  while ($rowcount < $rows) {
    $word = crypto_rand_secure(0, 99999);
    printf ("%05d ", $word);
    $rowcount++;
  }
//  echo PHP_EOL;
  $colcount++;
}
?>