cjthompson

<?php
/**
 * Compare two arrays and return a list of items only in array1 (deletions) and only in array2 (insertions)
 *
 * @param array $array1 The 'original' array, for comparison. Items that exist here only are considered to be deleted (deletions).
 * @param array $array2 The 'new' array. Items that exist here only are considered to be new items (insertions).
 * @param array $keysToCompare A list of array key names that should be used for comparison of arrays (ignore all other keys)
 * @return array[] array with keys 'insertions' and 'deletions'
 */
public static function arrayDifference(array $array1, array $array2, array $keysToCompare = null) {