What is wrong with this code


#1


<?php
/*----------------------------
* blogger redirect
----------------------------*/
function blogger_query_vars_filter( $vars ) {

  $vars[] = "blogger";

  return $vars;

}

add_filter('query_vars', 'blogger_query_vars_filter');

function blogger_template_redirect() {

  global $wp_query;

  $blogger = $wp_query->query_vars['blogger'];

  if ( isset ( $blogger ) ) {

    wp_redirect( get_wordpress_url ( $blogger ) , 301 );

    exit;

  }

}

add_action( 'template_redirect', 'blogger_template_redirect' );

function get_wordpress_url($blogger) {

  if ( preg_match('@^(?:https?://)?([^/]+)(.*)@i', $blogger, $url_parts) ) {

    $query = new WP_Query (

      array ( "meta_key" => "blogger_permalink", "meta_value" => $url_parts[2] ) );

    if ($query->have_posts()) {

      $query->the_post();

      $url = get_permalink();

    }

    wp_reset_postdata();

  }
}
  return $url ? $url : home_url();
?>


#2

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