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PHP array_uintersect_assoc() Function

PHP array_uintersect_assoc() Function

Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP array_uintersect_assoc() Function.

The PHP array_uintersect_assoc() function returns an array containing all the values of array1 present in all the other arguments.


Following below is the syntax to use this function -

array_uintersect_assoc( $array1, $array2 [, $array3 ..., $data_compare_func] );

Parameter Details

Sr.NoParameter & Description


It specifies an array.



It specifies an array to be compared with the first array.



It specifies an array to be compared with the first array.



The name of the user-made function.

Return Value

This function returns an array containing all of the values from array1 that are present in all the arguments.


Try out the below example -

   $input1 = array("a"=>"green", "b"=>"brown", "c"=>"blue", "red");
   $input2 = array("a"=>"GREEN", "B"=>"brown", "yellow", "red");
   print_r(array_uintersect_assoc($input1, $input2, "strcasecmp"));


When the above code is executed, it will produce the following result -

Array ( [a] => green )

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP array_uintersect_uassoc() Function.

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