(PHP 4 >= 4.0.1, PHP 5, PHP 7)
Merge two or more arrays recursively
array array_merge_recursive ( array $array1 [, array $... ] )
array_merge_recursive() merges the elements of one or more arrays together so that the values of one are appended to the end of the previous one. It returns the resulting array.
If the input arrays have the same string keys, then the values for these keys are merged together into an array, an