NAME
	insert_array - insert a sub-array into a larger array

SYNOPSIS
	mixed *insert_array(mixed *arr, mixed what, int where)


DESCRIPTION
	This function will insert the sub-array what into arr at index
	where.

	If where is negative, it will be counted from the end of the
	array, sizeof(arr)+where. Indexes out of bounds will conform
	to the boundaries.

SEE ALSO
	efun/arrays/, efun/strings/