Faker\Provider\Text::getConsecutiveWords PHP Method

    protected function getConsecutiveWords($indexSize)
    {
        if (!isset($this->consecutiveWords[$indexSize])) {
            $parts = $this->getExplodedText();
            $words = array();
            $index = array();
            for ($i = 0; $i < $indexSize; $i++) {
                $index[] = array_shift($parts);
            }
            for ($i = 0, $count = count($parts); $i < $count; $i++) {
                $stringIndex = static::implode($index);
                if (!isset($words[$stringIndex])) {
                    $words[$stringIndex] = array();
                }
                $word = $parts[$i];
                $words[$stringIndex][] = $word;
                array_shift($index);
                $index[] = $word;
            }
            // cache look up words for performance
            $this->consecutiveWords[$indexSize] = $words;
        }
        return $this->consecutiveWords[$indexSize];
    }