PHP array_intersect_ukey() Function

The array_intersect_ukey() function is used to compare two or more arrays, against keys, using a user-supplied function.The function returns an array containing all the values of the first array which have matching keys that are present in all the arguments.The array_intersect_ukey() function compares the keys of two (or more) arrays, and returns the matches.

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Note: This function uses a user-defined function to compare the keys! This function compares the keys of two or more arrays, and return an array that contains the entries from array1 that are present in array2, array3, etc.

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