BW_List_Table::get_column_info() – Get a list of all, hidden and sortable columns, with filter applied

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Description

Get a list of all, hidden and sortable columns, with filter applied

Usage

$array = BW_List_Table::get_column_info();

Parameters

Returns

array

Source

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

  protected function get_column_info() {
    // $_column_headers is already set / cached
    if ( isset( $this->_column_headers ) && is_array( $this->_column_headers ) ) {
    bw_trace2( $this->_column_headers, "this column_headers", false, BW_TRACE_VERBOSE );
      if ( count( $this->_column_headers ) < 4 ) {
        $this->_column_headers[] = $this->get_primary_column_name();
      }  
      // Back-compat for list tables that have been manually setting $_column_headers for horse reasons.
      // In 4.3, we added a fourth argument for primary column.
      //$column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
      //foreach ( $this->_column_headers as $key => $value ) {
      //	$column_headers[ $key ] = $value;
      //}
      
     //gob();

      return $this->_column_headers;
    }

    $columns = get_column_headers( $this->screen );
    $hidden = get_hidden_columns( $this->screen );

    $sortable_columns = $this->get_sortable_columns();
    bw_trace2( $sortable_columns, "sortable_columns", false, BW_TRACE_VERBOSE );
    
/**
 * Filter the list table sortable columns for a specific screen.
 *
 * The dynamic portion of the hook name, `$this->screen->id`, refers
 * to the ID of the current screen, usually a string.
 *
 * @since 3.5.0
 *
 * @param array $sortable_columns An array of sortable columns.
 */
    $_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns );
    
    bw_trace2( $_sortable, "_sortable", false, BW_TRACE_VERBOSE );

    $sortable = array();
    foreach ( $_sortable as $id => $data ) {
      if ( empty( $data ) )
        continue;

      $data = (array) $data;
      if ( !isset( $data[1] ) )
        $data[1] = false;

      $sortable[$id] = $data;
    }

    $primary = $this->get_primary_column_name();
    $this->_column_headers = array( $columns, $hidden, $sortable, $primary );
    bw_trace2( $this->_column_headers, "this column_headers", false );

    return $this->_column_headers;
  }
 

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