| 1 | <?php  | 
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| 14 | abstract class FilterRule  | 
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| 15 | { | 
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| 16 | /**  | 
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| 17 | * @var string|null  | 
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| 18 | */  | 
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| 19 | protected $encodingFormat;  | 
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| 20 | |||
| 21 | /**  | 
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| 22 | * @var bool  | 
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| 23 | */  | 
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| 24 | protected $allowNotSet = false;  | 
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| 25 | |||
| 26 | /**  | 
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| 27 | * @param string|null $encodingFormat  | 
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| 28 | */  | 
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| 29 | 147 | public function setEncodingFormat($encodingFormat)  | 
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| 33 | |||
| 34 | /**  | 
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| 35 | * @return bool  | 
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| 36 | */  | 
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| 37 | 10 | public function allowedNotSet()  | 
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| 38 |     { | 
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| 39 | 10 | return $this->allowNotSet;  | 
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| 40 | }  | 
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| 41 | |||
| 42 | /**  | 
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| 43 | * @param mixed $value  | 
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| 44 | * @return mixed  | 
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| 45 | */  | 
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| 46 | abstract public function filter($value);  | 
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| 47 | }  | 
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| 48 |