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 ForbiddenGlobalVariableVariableSniffTest extends BaseSniffTest |
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| 17 | { |
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| 18 | /** |
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| 19 | * Verify that checking for a specific version works |
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| 20 | * |
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| 21 | * @return void |
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| 22 | */ |
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| 23 | public function testGlobalVariableVariable() |
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| 24 | { |
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| 25 | $file = $this->sniffFile('sniff-examples/forbidden_global_variable_variable.php', '5.6'); |
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| 26 | $this->assertNoViolation($file, 3); |
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| 27 | |||
| 28 | $file = $this->sniffFile('sniff-examples/forbidden_global_variable_variable.php', '7.0'); |
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| 29 | $this->assertError($file, 3, "Global with variable variables are not allowed since PHP 7.0"); |
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| 30 | } |
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| 31 | } |
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| 32 |