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## intersectKey方法 返回原集合中存在于給定數組或集合中的元素

返回原集合中存在于給定數組或集合中的元素
不存在的鍵，也不返回



~~~
$collection = collect([
    'serial' => 'UX301', 'type' => 'screen', 'year' => 2009
]);

$intersect = $collection->intersectKey([
    'reference' => 'UX404', 'type' => 'tab', 'year' => 2011
]);

$intersect->all(); // ['type' => 'screen', 'year' => 2009]
~~~

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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