How to get different values ​​in two arrays in php

php method to obtain different values ​​in two arrays: first use the array_diff() function to compare the values ​​​​of the two arrays and return the difference set of the two arrays; then use the array_merge() function to compare the returned difference Just merge the sets into an array.

array_merge() function is used to merge one or more arrays into one array and return the merged array.

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Syntax:

array_merge(array1,array2,array3...)

array_diff() function is used to compare two (or more ) value of the array and returns the difference set.

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Grammar:

array_diff(array1,array2,array3...);

Implementation code:

$a = [1,2,3];
$b = [2,3,7,1,5];
$arr3 = array_merge(array_diff($a,$b),array_diff($b,$a));

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