Add files via upload

functions.php

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+<?php
+/******* free to use, free to sell, free to change, per developer/owner *****/
+/***** MIT License **********************************************************/
+function nonce_calculator($difficulty){
+  $t1 = time();
+  $a = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+  $string = d256($a);
+  echo "<br>The original string is:: <br>{$string}<br>";
+  echo "<br><h2>Original Hash:: " . $hash1 = hash("sha1",$string) . "</h2>";
+  $hash = $hash1;
+  $zero_string = "";
+  for($j=$difficulty;$j>0;$j--){
+    $zero_string .= "0";
+  }
+  for($i=0;$i<100000000;$i++){
+    if(substr($hash,0,$difficulty) === $zero_string){
+      echo "<br>Time to success: " . (time() - $t1) . " seconds";
+      die("<br><h1>Success at integer: {$i}</h1>Your hash is: {$hash}");
+    }
+    $hash = hash("sha1",$hash . $i);
+    $denominator = ((int)("1".$zero_string)) - 1;
+    if(is_int($i/$denominator)) echo "<br>Your hash at integer: {$i}, is: {$hash}";
+  }
+
+  echo "<h2> Your original hash was:: {$hash1}";
+}
+
+
+function d256($a){
+  $l = strlen($a) - 1;
+  $s = str_split($a);
+  $x = "";
+  for($i=0;$i<256;$i++){
+    $j = random_int(0,$l);
+    shuffle($s);
+    $x .= $s[$j];
+  }
+  return $x;
+}

index.php

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+<?php
+/******* free to use, free to sell, free to change, per developer/owner *****/
+/***** MIT License **********************************************************/
+
+set_time_limit(300);//required for long calculation times
+
+include "functions.php";//include the functions
+
+$difficulty = 5;//number of zeros that begin the successful hash result
+
+nonce_calculator($difficulty);