| @@ 24-31 (lines=8) @@ | ||
| 21 | self::$state[$key] = $value;  | 
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| 22 | }  | 
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| 23 | ||
| 24 | public static function incr(string $key, int $value = 1)  | 
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| 25 |     { | 
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| 26 |         if (!isset(self::$state[$key])) { | 
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| 27 | self::$state[$key] = 0;  | 
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| 28 | }  | 
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| 29 | ||
| 30 | self::$state[$key] += $value;  | 
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| 31 | }  | 
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| 32 | ||
| 33 | public static function decr(string $key, int $value = 1)  | 
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| 34 |     { | 
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| @@ 33-40 (lines=8) @@ | ||
| 30 | self::$state[$key] += $value;  | 
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| 31 | }  | 
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| 32 | ||
| 33 | public static function decr(string $key, int $value = 1)  | 
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| 34 |     { | 
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| 35 |         if (!isset(self::$state[$key])) { | 
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| 36 | self::$state[$key] = 0;  | 
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| 37 | }  | 
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| 38 | ||
| 39 | self::$state[$key] -= $value;  | 
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| 40 | }  | 
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| 41 | }  | 
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| 42 | ||