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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14 | trait CheckAccessTrait |
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15 | { |
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16 | public function setAssignments() |
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17 | { |
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18 | foreach ($this->auth->getAllItems() as $item) { |
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19 | $this->auth->setAssignment($item->name, $item->name); |
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20 | } |
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21 | } |
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22 | |||
23 | View Code Duplication | public function testClient() |
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24 | { |
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25 | $this->assertTrue ($this->auth->checkAccess('role:client', 'deposit')); |
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26 | $this->assertTrue ($this->auth->checkAccess('role:client', 'restore-password')); |
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27 | |||
28 | $this->assertFalse($this->auth->checkAccess('role:client', 'support')); |
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29 | $this->assertFalse($this->auth->checkAccess('role:client', 'manage')); |
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30 | $this->assertFalse($this->auth->checkAccess('role:client', 'domain.freeze')); |
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31 | $this->assertFalse($this->auth->checkAccess('role:client', 'domain.unfreeze')); |
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32 | $this->assertFalse($this->auth->checkAccess('role:client', 'admin')); |
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33 | $this->assertFalse($this->auth->checkAccess('role:client', 'resell')); |
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34 | $this->assertFalse($this->auth->checkAccess('role:client', 'own')); |
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35 | } |
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36 | |||
37 | View Code Duplication | public function testSupport() |
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38 | { |
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39 | $this->assertTrue ($this->auth->checkAccess('role:support', 'support')); |
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40 | |||
41 | $this->assertFalse($this->auth->checkAccess('role:support', 'deposit')); |
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42 | $this->assertFalse($this->auth->checkAccess('role:support', 'restore-password')); |
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43 | $this->assertFalse($this->auth->checkAccess('role:support', 'manage')); |
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44 | $this->assertFalse($this->auth->checkAccess('role:support', 'domain.freeze')); |
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45 | $this->assertFalse($this->auth->checkAccess('role:support', 'domain.unfreeze')); |
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46 | $this->assertFalse($this->auth->checkAccess('role:support', 'admin')); |
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47 | $this->assertFalse($this->auth->checkAccess('role:support', 'resell')); |
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48 | $this->assertFalse($this->auth->checkAccess('role:support', 'own')); |
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49 | } |
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50 | |||
51 | public function testManager() |
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67 | |||
68 | public function testPermission() |
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76 | |||
77 | public function testMighty() |
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95 | } |
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96 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: