WordPress pre_get_posts Filter

Pre-Get-Posts-Filter.class.php

<?php
namespace WordPress\Filters;

class PreGetPosts{

   public $filterPriority = 10;

   public function __construct( $priority = 10 ){
      //TODO: Set your custom properties if needed
      $this->filterPriority;
   }

   public function init(){
      add_filter( 'pre_get_posts', array( __CLASS__, 'preGetPostsFilter' ), $this->filterPriority );
  }

   /***
    * Description: This filter modifies the tax_query var to load only quotes and status post formats
    * @param $wpQuery: a pointer passed to the global variable $wp_query;
    */
   public static function preGetPostsFilter( $wpQuery ){
      if( $wpQuery->is_main_query() && is_home() ){
         $wpQuery->set( 'tax_query', array(
               array(
                  'taxonomy'  => 'post_format',
                  'field'     => 'slug',
                  'terms'     => array( 'post-format-link', 'post-format-status' ),
                  'operator'  => 'IN'
               ),
               # Add more filter for the taxonomy. Like this one, which filters out all images
               #array(
               #   'taxonomy'  => 'post_format',
               #   'field'     => 'slug',
               #   'terms'     => array( 'post-format-image' ),
               #   'operator'  => 'NOT IN'
               #)

            )
         );
      }
   }

}

//To make this work just write a require('PATHTOFILE') command in your functions.php
$wpFilters = new \WordPress\Filters\PreGetPosts( 1 );
//
add_action( 'init', array( $wpFilters, 'init' ) );