public/wordpress/wp-content/plugins/wp-courseware/includes/admin/pages/page-units.php
/**
	 * Course Unit Sortable Columns.
	 *
	 * @since 4.4.0
	 *
	 * @param array $sortable_columns The array of sortable columns.
	 *
	 * @param array $sortable_columns The array of sortable columns.
	 */
Course Unit Sortable Columns.

@param array $sortable_columns The array of sortable columns.

@param array $sortable_columns The array of sortable columns.
Course Unit Sortable Columns . @param array $sortable_columns The array of sortable columns . @param array $sortable_columns The array of sortable columns .
public function sortable_columns( $sortable_columns ) {
		$sortable_columns['course']      = 'parent_course_id';
		$sortable_columns['module']      = 'parent_module_id';
		$sortable_columns['unit_teaser'] = 'unit_teaser';
		return apply_filters( 'wpcw_units_custom_sortable_columns', $sortable_columns );
	}
public function sortable_columns ( $ sortable_columns ) { $ sortable_columns [ 'course' ] = 'parent_course_id' ; $ sortable_columns [ 'module' ] = 'parent_module_id' ; $ sortable_columns [ 'unit_teaser' ] = 'unit_teaser' ; return apply_filters ( 'wpcw_units_custom_sortable_columns' , $ sortable_columns ) ; }
Course Unit Sortable Columns.
Course Unit Sortable Columns .
/**
		 * Filter: Unit Custom Sortable Columns.
		 *
		 * @since 4.4.0
		 *
		 * @param array $sortable_columns The custom sortable columns.
		 *
		 * @return array $sortable_columns The custom sortable columns.
		 */