| @@ 2666-2679 (lines=14) @@ | ||
| 2663 | * @return bool  | 
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| 2664 | * <p>Returns true if associative, false otherwise.</p>  | 
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| 2665 | */  | 
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| 2666 | public function isAssoc(bool $recursive = false): bool  | 
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| 2667 |     { | 
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| 2668 |         if ($this->isEmpty()) { | 
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| 2669 | return false;  | 
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| 2670 | }  | 
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| 2671 | ||
| 2672 |         foreach ($this->keys($recursive)->getGenerator() as $key) { | 
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| 2673 |             if ((string) $key !== $key) { | 
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| 2674 | return false;  | 
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| 2675 | }  | 
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| 2676 | }  | 
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| 2677 | ||
| 2678 | return true;  | 
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| 2679 | }  | 
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| 2680 | ||
| 2681 | /**  | 
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| 2682 | * Check if a given key or keys are empty.  | 
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| @@ 2742-2755 (lines=14) @@ | ||
| 2739 | * @return bool  | 
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| 2740 | * <p>Returns true if numeric, false otherwise.</p>  | 
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| 2741 | */  | 
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| 2742 | public function isNumeric(): bool  | 
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| 2743 |     { | 
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| 2744 |         if ($this->isEmpty()) { | 
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| 2745 | return false;  | 
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| 2746 | }  | 
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| 2747 | ||
| 2748 |         foreach ($this->keys()->getGenerator() as $key) { | 
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| 2749 |             if ((int) $key !== $key) { | 
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| 2750 | return false;  | 
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| 2751 | }  | 
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| 2752 | }  | 
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| 2753 | ||
| 2754 | return true;  | 
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| 2755 | }  | 
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| 2756 | ||
| 2757 | /**  | 
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| 2758 | * Check if the current array is sequential [0, 1, 2, 3, 4, 5 ...] or not.  | 
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