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_udiff_assoc() Function.
The array_udiff_assoc() function computes the difference of arrays with a further index check, compare data by a callback function and then returns an array containing all the values from array1 that are not present in any of the other arguments.
The array_udiff_assoc() function computes the difference of arrays with a further index check, compare data by a callback function and then returns an array containing all the values from array1 that are not present in any of the other arguments.
Syntax
Following below is the syntax to use this function -
array_udiff_assoc ( $array1, $array2 [, $array3 ..., $data_compare_func] );
Parameter Details
Sr.No | Parameter & Description |
---|---|
1 | array1(Required) It specifies an array. |
2 | array2(Required) It specifies an array to be compared with the first array. |
3 | array3(Optional) It specifies an array to be compared with the first array. |
4 | data_compare_func*(Required) The name of the user-made function. |
Return Value
It returns an array containing all the values from array1 that are not present in the other arguments.
Example
Try out the below example -
<?php function call_back_function($v1,$v2) { if ($v1 === $v2) { return 0; } return 1; } $input = array("a"=>"orange","b"=>"orange","c"=>"mango"); $input1 = array("a"=>"orange","b"=>"mango","c"=>"orange"); print_r(array_udiff_assoc($input,$input1,"call_back_function")); ?>
Output
When the above code is executed, it will produce the following result -
Array ( [b] => orange [c] => mango )
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 array_udiff_uassoc() Function.
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Thanks for reading and bye for now.