当我将我的功能添加到functions.php wp admin时,只显示白色屏幕



你好,我有一个小问题,我试图进行自定义分页,但当我将我的功能添加到functions.php管理页面时,奇怪的想法是,在我的朋友计算机管理页面上工作,但当他试图保存时,他也有白色屏幕

    function custom_pagination($numpages='', $pagerange='', $paged='') {
  if (empty($pagerange)) {
    $pagerange = 2;
  }
  global $paged;
  if (empty($paged)) {
    $paged = 1;
  }
  if ($numpages == '') {
    global $wp_query;
    $numpages = $wp_query->max_num_pages;
        if(!$numpages) {
            $numpages = 1;
        }
  }
  $pagination_args = array(
    'base'            => get_pagenum_link(1) . '%_%',
    'format'          => 'page/%#%/',
    'total'           => $numpages,
    'current'         => $paged,
    'show_all'        => False,
    'end_size'        => 1,
    'mid_size'        => $pagerange,
    'prev_next'       => True,
    'prev_text'       => __('«'),
    'next_text'       => __('»'),
    'type'            => 'plain',
    'add_args'        => false,
    'add_fragment'    => ''
  );
  $paginate_links = paginate_links($pagination_args);
  if ($paginate_links) {
    $showpagination = "";
    $showpagination .= "<nav class='custom-pagination'>";
     // echo "<span class='page-numbers page-num'>Page " . $paged . " of " . $numpages . "</span> ";
    $showpagination .= $paginate_links;
    $showpagination .= "</nav>";
  }else{
     $showpagination = "";
  }
  return $showpagination;
}

<?php?>之外有一些额外的空白。检查文件末尾是否有空格。

否则,检查任何<?php之前或任何?> 之后的空格

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