| Total Complexity | 6 | 
| Total Lines | 46 | 
| Duplicated Lines | 0 % | 
| Changes | 1 | ||
| Bugs | 0 | Features | 0 | 
| 1 | <?php | ||
| 7 | class SortableColumnCollection extends Collection | ||
| 8 | { | ||
| 9 | /** | ||
| 10 | * Checks whether the given column name can be sorted on. | ||
| 11 | * | ||
| 12 | * @param string $column | ||
| 13 | * @return bool | ||
| 14 | */ | ||
| 15 | function isValidColumn($column) | ||
| 20 | } | ||
| 21 | |||
| 22 | /** | ||
| 23 | * Checks whether the given direction is a valid one for the column. | ||
| 24 | * | ||
| 25 | * @param string $column | ||
| 26 | * @param string $direction | ||
| 27 | * @return bool | ||
| 28 | */ | ||
| 29 | function isValidDirectionForColumn($column, $direction) | ||
| 30 |     { | ||
| 31 | $column = $this->find($column); | ||
| 32 | |||
| 33 |         if($column) { | ||
| 34 | return in_array($direction, $column->sorter->getDirections()); | ||
| 35 | } | ||
| 36 | |||
| 37 | return false; | ||
| 38 | } | ||
| 39 | |||
| 40 | /** | ||
| 41 | * Returns the SortableColumn with the given name or null if not found. | ||
| 42 | * | ||
| 43 | * @param $column | ||
| 44 | * @return SortableColumn|null | ||
| 45 | */ | ||
| 46 | function find($column) | ||
| 53 | } | ||
| 54 | } | 
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.