Complex classes like MslsOptions often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use MslsOptions, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 24 | class MslsOptions extends MslsGetSet { |
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| 25 | |||
| 26 | /** |
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| 27 | * Args |
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| 28 | * @var array |
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| 29 | */ |
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| 30 | protected $args; |
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| 31 | |||
| 32 | /** |
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| 33 | * Name |
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| 34 | * @var string |
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| 35 | */ |
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| 36 | protected $name; |
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| 37 | |||
| 38 | /** |
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| 39 | * Exists |
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| 40 | * @var bool |
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| 41 | */ |
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| 42 | protected $exists = false; |
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| 43 | |||
| 44 | /** |
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| 45 | * Separator |
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| 46 | * @var string |
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| 47 | */ |
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| 48 | protected $sep = ''; |
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| 49 | |||
| 50 | /** |
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| 51 | * Autoload |
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| 52 | * @var string |
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| 53 | */ |
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| 54 | protected $autoload = 'yes'; |
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| 55 | |||
| 56 | /** |
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| 57 | * Available languages |
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| 58 | * @var array |
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| 59 | */ |
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| 60 | private $available_languages; |
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| 61 | |||
| 62 | /** |
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| 63 | * Rewrite with front |
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| 64 | * @var bool |
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| 65 | */ |
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| 66 | public $with_front; |
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| 67 | |||
| 68 | /** |
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| 69 | * Factory method |
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| 70 | * |
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| 71 | * @codeCoverageIgnore |
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| 72 | * |
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| 73 | * @param int $id |
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| 74 | * |
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| 75 | * @return MslsOptions |
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| 76 | */ |
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| 77 | public static function create( $id = 0 ) { |
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| 102 | |||
| 103 | /** |
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| 104 | * Checks if the current page is a home, front or 404 page |
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| 105 | * @return boolean |
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| 106 | */ |
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| 107 | public static function is_main_page() { |
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| 110 | |||
| 111 | /** |
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| 112 | * Checks if the current page is a category, tag or any other tax archive |
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| 113 | * @return boolean |
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| 114 | */ |
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| 115 | public static function is_tax_page() { |
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| 118 | |||
| 119 | /** |
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| 120 | * Checks if the current page is a date, author any other post_type archive |
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| 121 | * @return boolean |
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| 122 | */ |
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| 123 | public static function is_query_page() { |
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| 126 | |||
| 127 | /** |
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| 128 | * Constructor |
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| 129 | */ |
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| 130 | public function __construct() { |
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| 135 | |||
| 136 | /** |
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| 137 | * Gets an element of arg by index |
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| 138 | * The returning value is casted to the type of $retval or will be the |
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| 139 | * value of $retval if nothing is set at this index. |
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| 140 | * |
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| 141 | * @param int $idx |
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| 142 | * @param mixed $val |
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| 143 | * |
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| 144 | * @return mixed |
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| 145 | */ |
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| 146 | public function get_arg( $idx, $val = null ) { |
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| 152 | |||
| 153 | /** |
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| 154 | * Save |
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| 155 | * |
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| 156 | * @param mixed $arr |
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| 157 | * |
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| 158 | * @codeCoverageIgnore |
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| 159 | */ |
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| 160 | public function save( $arr ) { |
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| 169 | |||
| 170 | /** |
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| 171 | * Delete |
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| 172 | * @codeCoverageIgnore |
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| 173 | */ |
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| 174 | public function delete() { |
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| 180 | |||
| 181 | /** |
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| 182 | * Set |
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| 183 | * |
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| 184 | * @param mixed $arr |
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| 185 | * |
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| 186 | * @return bool |
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| 187 | */ |
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| 188 | public function set( $arr ) { |
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| 209 | |||
| 210 | /** |
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| 211 | * Get permalink |
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| 212 | * |
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| 213 | * @param string $language |
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| 214 | * |
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| 215 | * @return string |
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| 216 | */ |
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| 217 | public function get_permalink( $language ) { |
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| 233 | |||
| 234 | /** |
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| 235 | * Get postlink |
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| 236 | * |
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| 237 | * @param string $language |
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| 238 | * |
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| 239 | * @return string |
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| 240 | */ |
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| 241 | public function get_postlink( $language ) { |
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| 244 | |||
| 245 | /** |
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| 246 | * Get the queried taxonomy |
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| 247 | * @return string |
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| 248 | */ |
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| 249 | public function get_tax_query() { |
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| 252 | |||
| 253 | /** |
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| 254 | * Get current link |
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| 255 | * @return string |
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| 256 | */ |
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| 257 | public function get_current_link() { |
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| 260 | |||
| 261 | /** |
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| 262 | * Is excluded |
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| 263 | * @return bool |
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| 264 | */ |
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| 265 | public function is_excluded() { |
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| 268 | |||
| 269 | /** |
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| 270 | * Is content |
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| 271 | * @return bool |
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| 272 | */ |
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| 273 | public function is_content_filter() { |
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| 276 | |||
| 277 | /** |
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| 278 | * Get order |
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| 279 | * @return string |
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| 280 | */ |
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| 281 | public function get_order() { |
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| 288 | |||
| 289 | /** |
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| 290 | * Get url |
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| 291 | * |
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| 292 | * @param string $dir |
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| 293 | * |
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| 294 | * @return string |
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| 295 | */ |
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| 296 | public function get_url( $dir ) { |
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| 299 | |||
| 300 | /** |
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| 301 | * Returns slug for a post type |
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| 302 | * @param string $post_type |
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| 303 | * |
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| 304 | * @return string |
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| 305 | */ |
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| 306 | public function get_slug( $post_type ) { |
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| 313 | |||
| 314 | /** |
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| 315 | * Get flag url |
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| 316 | * |
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| 317 | * @param string $language |
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| 318 | * |
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| 319 | * @return string |
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| 320 | */ |
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| 321 | public function get_flag_url( $language ) { |
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| 354 | |||
| 355 | /** |
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| 356 | * Get all available languages |
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| 357 | * |
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| 358 | * @uses get_available_languages |
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| 359 | * @uses format_code_lang |
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| 360 | * @return array |
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| 361 | */ |
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| 362 | public function get_available_languages() { |
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| 386 | |||
| 387 | /** |
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| 388 | * The 'blog'-slug-problem :/ |
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| 389 | * |
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| 390 | * @param string $url |
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| 391 | * @param MslsOptions $options |
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| 392 | * |
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| 393 | * @return string |
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| 394 | */ |
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| 395 | public static function check_for_blog_slug( $url, $options ) { |
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| 421 | |||
| 422 | } |
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| 423 |