TemplateConverter::parse PHP Method

    public function parse()
    {
        // gets all the tags from the original template file
        $pattern = '/<!\\*\\*\\s*([^>]+)>/';
        $this->m_oldTags = $this->getAllTagsFromTemplate($pattern);
        if ($this->m_oldTags == false || sizeof($this->m_oldTags) == 0) {
            return false;
        }
        // sets the tags content (without delimeters)
        $oldTagsContent = $this->m_oldTags[1];
        // inits patterns and replacements arrays
        $patternsArray = array();
        $replacementsArray = array();
        foreach ($oldTagsContent as $oldTagContent) {
            // gets single words from tag content (options string)
            $optArray = $this->parseOptionsString($oldTagContent);
            // finds out new tag syntax based on given tag content
            $newTagContent = $this->getNewTagContent($optArray, $oldTagContent);
            if (is_null($newTagContent)) {
                continue;
            }
            // sets pattern and replacement strings
            $pattern = '/<!\\*\\*\\s*' . @preg_quote($oldTagContent) . '\\s*>/';
            if ($newTagContent == 'DISCARD_SENTENCE') {
                $replacement = '';
            } else {
                $replacement = CS_OPEN_TAG . ' ' . $newTagContent . ' ' . CS_CLOSE_TAG;
            }
            $patternsArray[] = $pattern;
            $replacementsArray[] = $replacement;
        }
        // sets pattern and replacement for get_img script
        $patternsArray[] = "/cgi-bin\\/get_img/";
        $replacementsArray[] = "get_img.php";
        // replaces all patterns with corresponding replacements
        $this->m_templateContent = @preg_replace($patternsArray, $replacementsArray, $this->m_templateOriginalContent);
        // replaces templates path properly
        $pattern = '/\\/look\\/(.*?)[^"\']+/';
        $oldTplTags = $this->getAllTagsFromTemplate($pattern);
        if ($oldTplTags == false || sizeof($oldTplTags) == 0) {
            return false;
        }
        foreach ($oldTplTags[0] as $oldTplTag) {
            if (!empty($oldTplTag)) {
                //$pattern = '/(.*?)[^\.tpl]$/';
                $pattern = '/\\.tpl/';
                preg_match($pattern, $oldTplTag, $m);
                if (is_array($m) && !empty($m[0])) {
                    $replacement = '/tpl/';
                } else {
                    $replacement = '/templates/';
                }
                $pattern = '/\\/look\\//';
                $this->m_templateContent = @preg_replace($pattern, $replacement, $this->m_templateContent, 1);
            }
        }
        return true;
    }