@@ -135,7 +135,7 @@ |
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135 | 135 | * |
136 | 136 | * @param iterable $keys A list of string-based keys to be deleted. |
137 | 137 | * |
138 | - * @return boolean True if the items were successfully removed. False if there was an error. |
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138 | + * @return boolean|null True if the items were successfully removed. False if there was an error. |
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139 | 139 | * |
140 | 140 | * @throws InvalidArgumentException Thrown if $keys is neither an array nor a Traversable, |
141 | 141 | * or if any of the $keys are not a legal value. |