BW_List_Table::print_column_headers() – Print column headers, accounting for hidden and sortable columns.

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Description

Print column headers, accounting for hidden and sortable columns.

Usage

BW_List_Table::print_column_headers( $with_id );

Parameters

$with_id

( bool ) optional default: 1 – Whether to set the id attribute or not

Returns

void

Source

File name: oik/admin/class-bw-list-table.php
Lines:

  public function print_column_headers( $with_id = true ) {
    list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();

    $current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
    $current_url = remove_query_arg( 'paged', $current_url );

    if ( isset( $_GET['orderby'] ) )
      $current_orderby = $_GET['orderby'];
    else
      $current_orderby = '';

    if ( isset( $_GET['order'] ) && 'desc' == $_GET['order'] )
      $current_order = 'desc';
    else
      $current_order = 'asc';

    if ( ! empty( $columns['cb'] ) ) {
      static $cb_counter = 1;
      $columns['cb'] = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . __( 'Select All' ) . '</label>'
        . '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />';
      $cb_counter++;
    }

    foreach ( $columns as $column_key => $column_display_name ) {
      $class = array( 'manage-column', "column-$column_key" );

      if ( in_array( $column_key, $hidden ) ) {
        $class[] = 'hidden';
      }

      if ( 'cb' == $column_key )
        $class[] = 'check-column';
      elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ) ) )
        $class[] = 'num';

      if ( $column_key === $primary ) {
        $class[] = 'column-primary';
      }

      if ( isset( $sortable[$column_key] ) ) {
        list( $orderby, $desc_first ) = $sortable[$column_key];

        if ( $current_orderby == $orderby ) {
          $order = 'asc' == $current_order ? 'desc' : 'asc';
          $class[] = 'sorted';
          $class[] = $current_order;
        } else {
          $order = $desc_first ? 'desc' : 'asc';
          $class[] = 'sortable';
          $class[] = $desc_first ? 'asc' : 'desc';
        }

        $column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
      }

      $tag = ( 'cb' === $column_key ) ? 'td' : 'th';
      $scope = ( 'th' === $tag ) ? 'scope="col"' : '';
      $id = $with_id ? "id='$column_key'" : '';

      if ( !empty( $class ) )
        $class = "class='" . join( ' ', $class ) . "'";

      echo "<$tag $scope $id $class>$column_display_name</$tag>";
    }
  }
 

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