Contao\TemplateInheritance::inherit PHP Метод

    public function inherit()
    {
        $strBuffer = '';
        // Start with the template itself
        $this->strParent = $this->strTemplate;
        // Include the parent templates
        while ($this->strParent !== null) {
            $strCurrent = $this->strParent;
            $strParent = $this->strDefault ?: $this->getTemplatePath($this->strParent, $this->strFormat);
            // Reset the flags
            $this->strParent = null;
            $this->strDefault = null;
            ob_start();
            include $strParent;
            // Capture the output of the root template
            if ($this->strParent === null) {
                $strBuffer = ob_get_contents();
            } elseif ($this->strParent == $strCurrent) {
                $this->strDefault = $this->getTemplatePath($this->strParent, $this->strFormat, true);
            }
            ob_end_clean();
        }
        // Reset the internal arrays
        $this->arrBlocks = array();
        // Add start and end markers in debug mode
        if (\Config::get('debugMode')) {
            $strRelPath = str_replace(TL_ROOT . '/', '', $this->getTemplatePath($this->strTemplate, $this->strFormat));
            $strBuffer = "\n<!-- TEMPLATE START: {$strRelPath} -->\n{$strBuffer}\n<!-- TEMPLATE END: {$strRelPath} -->\n";
        }
        return $strBuffer;
    }