Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php | ||
| 11 | class Theme_Options_Container extends Container { | ||
| 12 | |||
| 13 | protected static $registered_pages = array(); | ||
| 14 | |||
| 15 | public $settings = array( | ||
| 16 | 'parent' => '', | ||
| 17 | 'file' => '', | ||
| 18 | 'permissions' => 'manage_options', | ||
| 19 | ); | ||
| 20 | |||
| 21 | public $icon = ''; | ||
| 22 | |||
| 23 | /** | ||
| 24 | * Create a new container | ||
| 25 | * | ||
| 26 | * @param string $unique_id Unique id of the container | ||
| 27 | * @param string $title title of the container | ||
| 28 | * @param string $type Type of the container | ||
| 29 | **/ | ||
| 30 | View Code Duplication | 	public function __construct( $unique_id, $title, $type ) { | |
| 37 | |||
| 38 | /** | ||
| 39 | * Attach container as a theme options page/subpage. | ||
| 40 | **/ | ||
| 41 | 	public function init() { | ||
| 56 | |||
| 57 | /** | ||
| 58 | * Perform checks whether the current save() request is valid. | ||
| 59 | * | ||
| 60 | * @return bool | ||
| 61 | **/ | ||
| 62 | 	public function is_valid_save() { | ||
| 65 | |||
| 66 | /** | ||
| 67 | * Perform save operation after successful is_valid_save() check. | ||
| 68 | * The call is propagated to all fields in the container. | ||
| 69 | * | ||
| 70 | * @param mixed $user_data | ||
| 71 | **/ | ||
| 72 | 	public function save( $user_data = null ) { | ||
| 85 | |||
| 86 | /** | ||
| 87 | * Perform checks whether the container should be attached during the current request | ||
| 88 | * | ||
| 89 | * @return bool True if the container is allowed to be attached | ||
| 90 | **/ | ||
| 91 | 	public function is_valid_attach_for_request() { | ||
| 94 | |||
| 95 | /** | ||
| 96 | * Check container attachment rules against object id | ||
| 97 | * | ||
| 98 | * @param int $object_id | ||
| 99 | * @return bool | ||
| 100 | **/ | ||
| 101 | 	public function is_valid_attach_for_object( $object_id = null ) { | ||
| 104 | |||
| 105 | /** | ||
| 106 | * Add theme options container pages. | ||
| 107 | * Hook the container saving action. | ||
| 108 | **/ | ||
| 109 | 	public function attach() { | ||
| 136 | |||
| 137 | /** | ||
| 138 | * Whether this container is currently viewed. | ||
| 139 | **/ | ||
| 140 | View Code Duplication | 	public function should_activate() { | |
| 148 | |||
| 149 | /** | ||
| 150 | * Output the container markup | ||
| 151 | **/ | ||
| 152 | 	public function render() { | ||
| 160 | |||
| 161 | /** | ||
| 162 | * Make sure that there are no duplicate containers with the same name. | ||
| 163 | **/ | ||
| 164 | 	public function verify_unique_page() { | ||
| 189 | |||
| 190 | /** | ||
| 191 | * Sanitize the container title for use in | ||
| 192 | * the theme options file name. | ||
| 193 | **/ | ||
| 194 | 	protected function clear_string( $string ) { | ||
| 197 | |||
| 198 | /** | ||
| 199 | * COMMON USAGE METHODS | ||
| 200 | */ | ||
| 201 | |||
| 202 | /** | ||
| 203 | * Change the parent theme options page of this container | ||
| 204 | **/ | ||
| 205 | 	public function set_page_parent( $parent ) { | ||
| 213 | |||
| 214 | /** | ||
| 215 | * Set the icon of this theme options page. | ||
| 216 | * Applicable only for parent theme option pages. | ||
| 217 | **/ | ||
| 218 | 	public function set_icon( $icon ) { | ||
| 222 | |||
| 223 | /** | ||
| 224 | * Set the theme options file name of this container. | ||
| 225 | **/ | ||
| 226 | 	public function set_page_file( $file ) { | ||
| 230 | |||
| 231 | /** | ||
| 232 | * Set the permissions necessary to view | ||
| 233 | * the corresponding theme options page | ||
| 234 | **/ | ||
| 235 | 	public function set_page_permissions( $permissions ) { | ||
| 239 | } | ||
| 240 | |||
| 241 |