| Conditions | 13 | 
| Paths | 78 | 
| Total Lines | 41 | 
| Code Lines | 25 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php  | 
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| 74 | protected function validateKeys()  | 
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| 75 |     { | 
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| 76 |         $fieldNames = array_map(function ($field) { | 
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| 77 | return $field->name;  | 
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| 78 | }, $this->descriptor->fields);  | 
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| 79 |         if (isset($this->descriptor->primaryKey)) { | 
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| 80 | $primaryKey = is_array($this->descriptor->primaryKey) ? $this->descriptor->primaryKey : [$this->descriptor->primaryKey];  | 
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| 81 |             foreach ($primaryKey as $primaryKeyField) { | 
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| 82 |                 if (!in_array($primaryKeyField, $fieldNames)) { | 
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| 83 | $this->addError(  | 
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| 84 | SchemaValidationError::SCHEMA_VIOLATION,  | 
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| 85 |                         "primary key must refer to a field name ({$primaryKeyField})" | 
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| 86 | );  | 
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| 87 | }  | 
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| 88 | }  | 
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| 89 | }  | 
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| 90 |         if (isset($this->descriptor->foreignKeys)) { | 
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| 91 |             foreach ($this->descriptor->foreignKeys as $foreignKey) { | 
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| 92 | $fields = is_array($foreignKey->fields) ? $foreignKey->fields : [$foreignKey->fields];  | 
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| 93 |                 foreach ($fields as $field) { | 
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| 94 |                     if (!in_array($field, $fieldNames)) { | 
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| 95 | $this->addError(  | 
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| 96 | SchemaValidationError::SCHEMA_VIOLATION,  | 
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| 97 |                             "foreign key fields must refer to a field name ({$field})" | 
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| 98 | );  | 
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| 99 | }  | 
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| 100 | }  | 
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| 101 |                 if ($foreignKey->reference->resource == '') { | 
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| 102 | // empty resource = reference to self  | 
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| 103 |                     foreach ($foreignKey->reference->fields as $field) { | 
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| 104 |                         if (!in_array($field, $fieldNames)) { | 
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| 105 | $this->addError(  | 
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| 106 | SchemaValidationError::SCHEMA_VIOLATION,  | 
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| 107 |                                 "foreign key reference to self must refer to a field name ({$field})" | 
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| 108 | );  | 
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| 109 | }  | 
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| 110 | }  | 
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| 111 | }  | 
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| 112 | }  | 
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| 113 | }  | 
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| 114 | }  | 
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| 115 | }  | 
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| 116 | 
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: