| 1 | <?php  | 
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| 4 | trait UtilityTrait  | 
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| 5 | { | 
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| 6 | |||
| 7 | /**  | 
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| 8 | * Enhanced version of array_filter which allow to filter recursively  | 
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| 9 | *  | 
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| 10 | * @param array $array  | 
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| 11 | * @param callable|array $callback  | 
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| 12 | * @return array  | 
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| 13 | */  | 
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| 14 | 19 | public function arrayFilter(array $array, $callback = ['self', 'filter']): array  | 
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| 24 | |||
| 25 | /**  | 
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| 26 | * Callback function for filtering.  | 
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| 27 | *  | 
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| 28 | * @param mixed $var Array to filter.  | 
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| 29 | * @return bool  | 
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| 30 | */  | 
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| 31 | 19 | protected static function filter($var)  | 
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| 35 | }  | 
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| 36 |