| Conditions | 6 | 
| Paths | 4 | 
| Total Lines | 11 | 
| Code Lines | 7 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Tests | 8 | 
| CRAP Score | 6 | 
| Changes | 0 | ||
| 1 | <?php  | 
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| 22 | 8 |   private function getScalar($key) { | 
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| 23 | 8 | if (is_null($key))  | 
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| 24 | 1 |       throw new InvalidTypeException('Can not use null for a key'); | 
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| 25 | |||
| 26 | 7 | if (is_object($key) && !method_exists($key, '__toString'))  | 
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| 27 | 1 |       throw new InvalidTypeException('Object keys must implement __toString'); | 
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| 28 | |||
| 29 | 6 | if (is_numeric($key) || is_string($key))  | 
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| 30 | 5 | return $key;  | 
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| 31 | |||
| 32 | 1 | return (string) $key;  | 
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| 33 | }  | 
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| 34 | }  |