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 |
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| 16 | class ForbiddenCallTimePassByReferenceSniffTest extends BaseSniffTest |
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| 17 | { |
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| 18 | const TEST_FILE = 'sniff-examples/call_time_pass_by_reference.php'; |
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| 19 | |||
| 20 | /** |
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| 21 | * Sniffed file |
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| 22 | * |
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| 23 | * @var PHP_CodeSniffer_File |
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| 24 | */ |
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| 25 | protected $_sniffFile; |
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| 26 | |||
| 27 | /** |
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| 28 | * setUp |
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| 29 | * |
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| 30 | * @return void |
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| 31 | */ |
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| 32 | public function setUp() |
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| 38 | |||
| 39 | |||
| 40 | /** |
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| 41 | * testForbiddenCallTimePassByReference |
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| 42 | * |
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| 43 | * @group forbiddenCallTimePassByReference |
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| 44 | * |
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| 45 | * @dataProvider dataForbiddenCallTimePassByReference |
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| 46 | * |
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| 47 | * @param int $line Line number where the error should occur. |
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| 48 | * |
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| 49 | * @return void |
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| 50 | */ |
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| 51 | public function testForbiddenCallTimePassByReference($line) |
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| 62 | |||
| 63 | /** |
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| 64 | * dataForbiddenCallTimePassByReference |
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| 65 | * |
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| 66 | * @see testForbiddenCallTimePassByReference() |
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| 67 | * |
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| 68 | * @return array |
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| 69 | */ |
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| 70 | View Code Duplication | public function dataForbiddenCallTimePassByReference() { |
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| 81 | |||
| 82 | |||
| 83 | /** |
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| 84 | * testNoViolation |
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| 85 | * |
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| 86 | * @group forbiddenCallTimePassByReference |
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| 87 | * |
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| 88 | * @dataProvider dataNoViolation |
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| 89 | * |
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| 90 | * @param int $line The line number. |
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| 91 | * |
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| 92 | * @return void |
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| 93 | */ |
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| 94 | public function testNoViolation($line) |
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| 98 | |||
| 99 | /** |
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| 100 | * Data provider. |
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| 101 | * |
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| 102 | * @see testNoViolation() |
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| 103 | * |
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| 104 | * @return array |
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| 105 | */ |
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| 106 | View Code Duplication | public function dataNoViolation() |
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| 126 | |||
| 127 | } |
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| 128 | |||
| 129 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.