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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19 | class Name extends Property { |
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20 | /** |
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21 | * Name of the property. |
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22 | * |
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23 | * @return string |
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24 | */ |
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25 | 34 | public function name() { |
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28 | |||
29 | /** |
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30 | * Fetch arguments for the Property from a stream of tokens during parsing. |
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31 | * |
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32 | * @param ArgumentParser $parser |
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33 | * @return array |
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34 | */ |
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35 | 7 | public function fetch_arguments(ArgumentParser $parser) { |
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39 | |||
40 | /** |
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41 | * Check if the given arguments are valid for the property. |
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42 | * |
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43 | * @param array $arguments |
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44 | * @return bool |
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45 | */ |
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46 | 36 | View Code Duplication | public function arguments_are_valid(array &$arguments) { |
56 | |||
57 | /** |
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58 | * Compile the property to an SQL expression. |
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59 | * |
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60 | * @param array $argument |
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61 | * @param ExpressionBuilder $builder |
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62 | * @param string $table_name |
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63 | * @param bool $negate |
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64 | * @return string|CompositeExpression |
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65 | */ |
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66 | 29 | public function compile(array &$arguments, ExpressionBuilder $builder, $table_name, $negate = false) { |
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75 | } |
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76 |