| Conditions | 9 | 
| Paths | 1 | 
| Total Lines | 59 | 
| Code Lines | 36 | 
| 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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| 45 | public function rules()  | 
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| 46 |     { | 
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| 47 | return [  | 
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| 48 | [  | 
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| 49 | ['cost', 'days'],  | 
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| 50 | 'required',  | 
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| 51 | ],  | 
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| 52 | [  | 
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| 53 | ['cost'],  | 
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| 54 | 'number',  | 
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| 55 | 'integerOnly' => true,  | 
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| 56 | 'min' => 0,  | 
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| 57 | 'max' => SimpleOffer::NUMBER_LIMIT,  | 
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| 58 | ],  | 
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| 59 | [  | 
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| 60 | ['days'],  | 
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| 61 |                 function ($attribute, $params) { | 
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                         | 
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| 62 | $value = $this->$attribute;  | 
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| 63 | $isBigValue = false;  | 
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| 64 |                     if (!preg_match('/^[\d]+(-[\d]+)?$/', $value)) { | 
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| 65 | $this->addError($attribute, 'Wrong ' . $attribute . ' value');  | 
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| 66 | return;  | 
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| 67 | }  | 
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| 68 | |||
| 69 |                     if (strpos($value, '-') !== false) { | 
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| 70 |                         $parts = explode('-', $value); | 
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| 71 |                         if (count($parts) != 2) { | 
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| 72 | $this->addError($attribute, 'Wrong parts count in ' . $attribute);  | 
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| 73 | return;  | 
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| 74 | }  | 
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| 75 | |||
| 76 |                         if ((int) $parts[0] >= $parts[1]) { | 
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| 77 | $this->addError($attribute, 'Wrong ' . $attribute . ' value');  | 
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| 78 | return;  | 
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| 79 | }  | 
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| 80 | |||
| 81 |                         if ($parts[0] > 31 || $parts[1] > 31) { | 
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| 82 | $isBigValue = true;  | 
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| 83 | }  | 
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| 84 |                     } else { | 
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| 85 |                         if ($value > 31) { | 
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| 86 | $isBigValue = true;  | 
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| 87 | }  | 
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| 88 | }  | 
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| 89 | |||
| 90 |                     if ($isBigValue) { | 
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| 91 | $this->addError($attribute, 'Value ' . $attribute . ' is greater than 31');  | 
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| 92 | }  | 
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| 93 | },  | 
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| 94 | ],  | 
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| 95 | [  | 
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| 96 | ['orderBefore'],  | 
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| 97 | 'number',  | 
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| 98 | 'integerOnly' => true,  | 
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| 99 | 'min' => 0,  | 
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| 100 | 'max' => 24,  | 
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| 101 | ],  | 
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| 102 | ];  | 
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| 103 | }  | 
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| 104 | |||
| 153 | 
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.