dummy-api.php

<?php

  $total = 3270;
  $perPage = 20;
  $curPage = isset( $_REQUEST['page'] ) && ! empty( $_REQUEST['page'] ) ? intval( $_REQUEST['page'] ) : 1;

  // set start position
  $start = (($curPage * $perPage) - $perPage) + 1;
  if( $start === 0 ) $start = 1;

  // set end position
  $end = ($start + $perPage) - 1;
  if( $end > $total ) $end = $total;

  // get total pages
  $max = ceil( $total / $perPage );

  // if current page is last, set start to last of previous page
  if( $curPage == $max ){
    $start = ($max - 1) * $perPage;
  }

  // more than max, nothing to show
  if( $start > $end ){
    die();
  }

  $arr = array(
    'meta' => array(
      "total_resources" => $total,
      "resources_per_page" => $perPage,
      "current_page" => $curPage
    ),
    'result' => array()
  );

  for( $x=$start; $x<=$end; $x++){
    $tmp = (object)array(
      'title' => sprintf( 'Item %d', $x ),
      'file_url' => null,
      'node_created' => 'Thursday, September 24, 2015 - 00:00',
      'nid' => $x,
      'type' => 'Test',
      'image' => null,
      'related_industry' => null
    );

    array_push( $arr['result'], $tmp );
  }

  die(json_encode((object)$arr));