@@ -74,7 +74,7 @@ discard block |
||
| 74 | 74 | * Returns whether this node is a boolean value |
| 75 | 75 | * |
| 76 | 76 | * @param Node $node |
| 77 | - * @return boolean |
|
| 77 | + * @return boolean|null |
|
| 78 | 78 | */ |
| 79 | 79 | private function isBool(Node $node) { |
| 80 | 80 | if ($node instanceof ConstFetch) { |
@@ -91,7 +91,7 @@ discard block |
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| 91 | 91 | * Returns whether this node is a null value |
| 92 | 92 | * |
| 93 | 93 | * @param Node $node |
| 94 | - * @return boolean |
|
| 94 | + * @return boolean|null |
|
| 95 | 95 | */ |
| 96 | 96 | private function isNull(Node $node) { |
| 97 | 97 | if ($node instanceof ConstFetch) { |
@@ -104,7 +104,7 @@ discard block |
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| 104 | 104 | * Returns the value from a node |
| 105 | 105 | * |
| 106 | 106 | * @param Node $node |
| 107 | - * @return mixed |
|
| 107 | + * @return string |
|
| 108 | 108 | */ |
| 109 | 109 | private function getExpression(Node $node) { |
| 110 | 110 | if ($node instanceof ConstFetch) { |