<?php
 
 /**
  * Lebo bez masa nie je den dnom. Maso je sucast jedla, preto chodim jest do
  * blizkych malych restauracii.
  */
 
 $sites  = [
         'Pulitzer'      => 'http://pulitzer.sk/',
         'Twenties'      => 'http://www.twenties.sk/'
 ];
 
 $xpaths = [
         'Pulitzer'      => [
                 'Polievky'                      =>      '//*[@id="soups"]',
                 'Hlavne zradla'         =>      '//*[@id="meals"]'
         ],
         'Twenties'      => [
                 'Polievka + hlavne zradla'      => '//*[@id="article"]/div[2]/p[1]'
         ]
 ];
 
 $output_file = '/tmp/results.php';
 file_put_contents($output_file, '');
 
 $dom = new DOMDocument();
 
 foreach ($sites as $restaurant => $site)
 {
         @$dom->loadHTML(file_get_contents($site));
         $xpath_obj = new DOMXPath($dom);
 
         append_result('V tovarni na jedlo s nazvom *' . $restaurant . "* maju dneska toto: \n");
 
         foreach ($xpaths[$restaurant] as $human_meal => $xpath)
         {
                 append_result("\t$human_meal:\n");
 
                 $oh_my_god_here_are_saved_meals = $xpath_obj->query($xpath);
                 if ($oh_my_god_here_are_saved_meals === FALSE
                         OR $oh_my_god_here_are_saved_meals->length === 0)
                 {
                         continue;
                 }
 
                 $found_meal = FALSE;
 		foreach ($oh_my_god_here_are_saved_meals->item(0)->childNodes as $elem)
                 {
                         $meal_meal_meal = trim($elem->nodeValue);
                         if (! empty($meal_meal_meal))
                         {
                                 append_result("\t\t$meal_meal_meal\n");
                                 $found_meal = TRUE;
                         }
                 }
 
                 if (! $found_meal)
                 {
                         append_result("\tNevaria!!! Daj mi niekto gulomet, nech ich zabijem!\n");
                 }
                 else 
                 {
                         append_result("\n");
                 }
         }
 }
 
 append_result("\n\nMake me better on http://git.cinan.sk/obedparser.git/ :) \n");
 
 function append_result($text)
 {
         global $output_file;
         file_put_contents($output_file, $text, FILE_APPEND | FILE_TEXT);
 }