/**
  * Define our custom columns shown in admin.
  * @param  string $column
  */
 public function custom_columns($column, $post_id)
 {
     switch ($column) {
         case 'sp_key':
             global $post;
             echo $post->post_name;
             break;
         case 'sp_equation':
             echo sp_get_post_equation($post_id);
             break;
         case 'sp_precision':
             echo sp_get_post_precision($post_id);
             break;
         case 'sp_description':
             global $post;
             echo '<span class="description">' . $post->post_excerpt . '</span>';
             break;
     }
 }
if ($data) {
    $i = 0;
    foreach ($data as $row) {
        ?>
							<tr<?php 
        if ($i % 2 == 0) {
            echo ' class="alternate"';
        }
        ?>
>
								<td class="row-title"><?php 
        echo $row->post_title;
        ?>
</td>
								<td><?php 
        echo sp_get_post_equation($row->ID);
        ?>
</td>
								<td><?php 
        echo sp_get_post_precision($row->ID);
        ?>
</td>
								<td><p class="description"><?php 
        echo $row->post_excerpt;
        ?>
</p></td>
								<td class="edit"><a class="button" href="<?php 
        echo get_edit_post_link($row->ID);
        ?>
"><?php 
        _e('Edit', 'sportspress');
function prosports_get_post_equation($post_id)
{
    return sp_get_post_equation($post_id);
}
function sportspress_get_post_equation($post_id)
{
    return sp_get_post_equation($post_id);
}