WP_List_Table::get_column_count()

Source

File: wp-admin/includes/class-wp-list-table.php

public function get_column_count() {
		list ( $columns, $hidden ) = $this->get_column_info();
		$hidden                    = array_intersect( array_keys( $columns ), array_filter( $hidden ) );
		return count( $columns ) - count( $hidden );
	}