@@ -604,7 +604,7 @@ |
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604 | 604 | * Groups an array by using the value of a specific index in it. |
605 | 605 | * |
606 | 606 | * @param array $array the array, which is sued as the base |
607 | - * @param string|int $indexKey the value of the key, which should be used |
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607 | + * @param string $indexKey the value of the key, which should be used |
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608 | 608 | * for indexing |
609 | 609 | * @param bool $ignoreIndex Set to true to ignore multiple values in |
610 | 610 | * $array. If activated only the last key of |