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 |
||
| 14 | class AccountFactory |
||
| 15 | { |
||
| 16 | /** |
||
| 17 | * @var Format[] Possible formats used when parsing account |
||
| 18 | */ |
||
| 19 | private $formats; |
||
| 20 | |||
| 21 | /** |
||
| 22 | * @var RewriterStrategy[] Strategies for rewriting failing account numbers |
||
| 23 | */ |
||
| 24 | private $rewrites; |
||
| 25 | |||
| 26 | /** |
||
| 27 | * @var bool Flag if rewrites should be allowed when creating account objects |
||
| 28 | */ |
||
| 29 | private $allowRewrites; |
||
| 30 | |||
| 31 | /** |
||
| 32 | * @var UnknownFormat The unknown format or null if unknown is disallowed |
||
| 33 | */ |
||
| 34 | private $unknownFormat; |
||
| 35 | |||
| 36 | /** |
||
| 37 | * @var RewriterStrategy[] Preprocessors used to alter account before parsing starts |
||
| 38 | */ |
||
| 39 | private $preprocessors; |
||
| 40 | |||
| 41 | /** |
||
| 42 | * @param Format[] $formats Possible formats used when parsing account |
||
| 43 | * @param RewriterStrategy[] $rewrites Rewrites used if parsed the raw account number fails |
||
| 44 | * @param boolean $allowRewrites Flag if rewrites should be allowed when creating account objects |
||
| 45 | * @param boolean $allowUnknown Flag if the unknown account format should be used |
||
| 46 | * @param RewriterStrategy[] $preprocessors Preprocessors used to alter account before parsing starts |
||
| 47 | */ |
||
| 48 | 110 | public function __construct( |
|
| 61 | |||
| 62 | /** |
||
| 63 | * Enable formats |
||
| 64 | * |
||
| 65 | * Please note that formats not listed will be dropped and |
||
| 66 | * can not be recovered. |
||
| 67 | * |
||
| 68 | * @param string[] $formats List of formats to whitelist |
||
| 69 | * @return null |
||
| 70 | */ |
||
| 71 | 1 | public function whitelistFormats(array $formats) |
|
| 79 | |||
| 80 | /** |
||
| 81 | * Disable formats |
||
| 82 | * |
||
| 83 | * Please note that listed formats will be dropped and |
||
| 84 | * can not be recovered. |
||
| 85 | * |
||
| 86 | * @param string[] $formats List of formats to blacklist |
||
| 87 | * @return null |
||
| 88 | */ |
||
| 89 | 100 | public function blacklistFormats(array $formats) |
|
| 95 | |||
| 96 | /** |
||
| 97 | * Create bank account object using number |
||
| 98 | * |
||
| 99 | * @param string $number |
||
| 100 | * @return AccountNumber |
||
| 101 | * @throws UnableToCreateAccountException If unable to create |
||
| 102 | */ |
||
| 103 | 110 | public function createAccount($number) |
|
| 203 | } |
||
| 204 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..