| Conditions | 6 | 
| Paths | 8 | 
| Total Lines | 23 | 
| Code Lines | 11 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Tests | 0 | 
| CRAP Score | 42 | 
| Changes | 0 | ||
| 1 | <?php  | 
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| 22 | public function traverse(ControlFlowGraph $cfg)  | 
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| 23 |     { | 
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| 24 | $rootBlock = $cfg->getRoot();  | 
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| 25 | |||
| 26 | /** @var AbstractVisitor $visitor */  | 
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| 27 |         foreach ($this->visitors as $visitor) { | 
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| 28 | $visitor->enterBlock($rootBlock);  | 
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| 29 | }  | 
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| 30 | |||
| 31 | $children = $rootBlock->getChildren();  | 
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| 32 |         if ($children) { | 
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| 33 |             foreach ($children as $child) { | 
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| 34 |                 foreach ($this->visitors as $visitor) { | 
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| 35 | $visitor->enterNode($child);  | 
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| 36 | }  | 
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| 37 | }  | 
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| 38 | }  | 
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| 39 | |||
| 40 | /** @var AbstractVisitor $visitor */  | 
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| 41 |         foreach ($this->visitors as $visitor) { | 
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| 42 | $visitor->leaveBlock($rootBlock);  | 
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| 43 | }  | 
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| 44 | }  | 
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| 45 | }  | 
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| 46 | 
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.