Create new array from two array in with i will count the number of occurence some values in php

I have two arrays

The first array:

Array ( [0] => stdClass Object ( [idConsultant] => 291 ) [1] => stdClass Object ( [idConsultant] => 292 ) [2] => stdClass Object ( [idConsultant] => 293 ) )


The second array:

Array ( [0] => stdClass Object ( [idConsultant] => 291 ) [1] => stdClass Object ( [idConsultant] => 291 ) [2] => stdClass Object ( [idConsultant] => 292 ) )


I need a function how will return me, foreach value in the first array the number of occurrence in the second.

The result i am looking for is:

Array ( [0] => stdClass Object ( [291] => 2 ) [1] => stdClass Object ( [292] => 1 ) [2] => stdClass Object ( [293] => 0 ) )


Thank you.

1 Answer
1

there is a function called array_count_values - which is pretty handy in your situation

array_count_values

something like the following should work (assuming your arrays are named arrA and arrB

arrA

arrB

$arrCntValues = array_count_values(
array_merge
(
array_column($arrA, 'idConsultant'),
array_column($arrB, 'idConsultant')
)
);

print_r($arrCntValues);


and if you really need it like your desired structure just iterate over it

$arrObjects = ;
foreach($arrCntValues AS $key => $val)

$obj = new stdClass();
$obj->$key = $val;
$arrObjects = $obj;


print_r($arrObjects);


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