Initial commit as of 2018-10-16

application/models/NicknameModel.php

@@ -0,0 +1,105 @@
+<?php
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class NicknameModel extends CI_Model {
+
+    public function __construct() {
+        parent::__construct();
+    }
+
+    function generateMarkovTable($names = [])
+    {
+        $table = [];
+        foreach ($names as $name) {
+            $letters = str_split($name);
+            foreach ($letters as $key => $letter) {
+                $letter = strtolower($letter);
+                if (!array_key_exists($key + 1, $letters)) {
+                    continue;
+                }
+                $nextLetter = strtolower($letters[$key + 1]);
+                if (!(array_key_exists($letter, $table) && array_key_exists($nextLetter, $table[$letter]))) {
+                    $table[$letter][$nextLetter] = 1;
+                    continue;
+                }
+                $table[$letter][$nextLetter] = $table[$letter][$nextLetter] + 1;
+            }
+        }
+        return $table;
+    }
+
+    function generateMarkovName($table, $minLength = 3, $maxLength = 10)
+    {
+        $currentLetter = array_rand($table);
+        $text = [$currentLetter];
+        $length = mt_rand($minLength, $maxLength);
+        for ($i = 0; $i < $length; $i++) {
+            $nextLetter = $this->getRandomWeightedElement($currentLetter, $table);
+            if (count($text) > 1) {
+                $previousLetter = $text[$i - 1];
+                while ($previousLetter == $nextLetter) {
+                    $nextLetter = $this->getRandomWeightedElement($currentLetter, $table);
+                }
+            }
+            $text[] = $nextLetter;
+            $currentLetter = $nextLetter;
+        }
+        return ucfirst(implode('', $text));
+    }
+
+    function getRandomWeightedElement($key, array $table)
+    {
+        if (array_key_exists($key, $table)) {
+            $weightedValues = $table[$key];
+            $rand = mt_rand(1, (int) array_sum($weightedValues));
+            foreach ($weightedValues as $key => $value) {
+                $rand -= $value;
+                if ($rand <= 0) {
+                    return $key;
+                }
+            }
+        }
+        return array_rand($table);
+    }
+
+    public function generateName() {
+        $names = [
+            'Gronkh',
+            'Currywurst',
+            'KingOfDog',
+            'Zeybe',
+            'unge',
+            'Dner',
+            'Arazhul',
+            'Hopson',
+            'Carykh',
+            'Benx',
+            'Demaster',
+            'Manucraft',
+            'Minecraft',
+            'ProPlayer91',
+            'Green',
+            'Blue',
+            'Red',
+            'Ultra',
+            'Pro',
+            'Racing',
+            'Shooter',
+            'King',
+            'Yellow',
+            'Gold',
+            'xXXx',
+            'iTz_',
+            'Running',
+            'YT',
+            'TV',
+            'HD',
+            'Huge',
+            'Best',
+            'imFlying',
+            'Not'
+        ];
+        $table = $this->generateMarkovTable($names);
+        echo str_pad($this->generateMarkovName($table, 4, 7), 12);
+    }
+}