InfyOm\Generator\Utils\TemplateUtil::fillTemplateWithFieldData PHP Method

    public static function fillTemplateWithFieldData($variables, $fieldVariables, $template, $field)
    {
        $template = self::fillTemplate($variables, $template);
        return self::fillFieldTemplate($fieldVariables, $template, $field);
    }

 private function generateDataTable()
 {
     $templateData = TemplateUtil::getTemplate('scaffold.datatable', 'laravel-generator');
     $templateData = TemplateUtil::fillTemplate($this->commandData->dynamicVars, $templateData);
     $headerFieldTemplate = TemplateUtil::getTemplate('scaffold.views.datatable_column', $this->templateType);
     $headerFields = [];
     foreach ($this->commandData->inputFields as $field) {
         if (!$field['inIndex']) {
             continue;
         }
         $headerFields[] = $fieldTemplate = TemplateUtil::fillTemplateWithFieldData($this->commandData->dynamicVars, $this->commandData->fieldNamesMapping, $headerFieldTemplate, $field);
     }
     $path = $this->commandData->config->pathDataTables;
     $fileName = $this->commandData->modelName . 'DataTable.php';
     $fields = implode(',' . infy_nl_tab(1, 3), $headerFields);
     $templateData = str_replace('$DATATABLE_COLUMNS$', $fields, $templateData);
     FileUtil::createFile($path, $fileName, $templateData);
     $this->commandData->commandComment("\n{$fileName} created: ");
     $this->commandData->commandInfo($fileName);
 }