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array_intersect_assoc()

 <?php

$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");
$a2=array("a"=>"red","b"=>"green","c"=>"blue");

$result=array_intersect_assoc($a1,$a2);
print_r($result);

?>


Output:
Array ( [a] => red [b] => green [c] => blue )


Syntex:
array_intersect_assoc(array1,array2,array3, ...)
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