template.php

<?php

   interface ar_core_templateStoreInterface {

      public function __construct($options);

      // save template in store
      public function save( $path, $template, $name, $type = "pobject", $nls = "any");

      // retrieve a template defined by a previous save
      public function get( $path, $name, $type, $nls );

      // does an template exists, mainly for fast checking
      public function exists( $path, $name, $type, $nls );

      // return a list of templates defined
      // returns a array  structure
      // return [ $name ] [ $type ] [ $nls ]
      public function list();

      // return a closure
      public function import( $path, $name, $type, $nls);


   }

   class ar_core_templateFilestore implements ar_core_templateStoreInterface {

      private $filestore = null;
      private $cache = [];
      const   $templateFileName = "%s.%s.%s.pinp";

      public function __construct($options){
         $this->filestore =  $options['filestore'];
      }

      // save template in store
      public function save( $template, $name, $type = "pobject", $nls = "any"){
         $filename = sprintf(self::$templateFileName,$type,$name,$nls);
         // FIXME save in filestore
      }

      // retrieve a closure defined by a previous save
      public function get( $template, $type, $nls );

      // does an template exists, mainly for 
      public function exists( $template, $type, $nls );

      // return a list of templates defined
      public function list();


   }