THE SMART TRICK OF SOCIAL MEDIA MARKETING THAT NOBODY IS DISCUSSING

An argument represented by $ forces scalar context. An & requires an nameless subroutine, which, if handed as the 1st argument, isn't going to call for the sub search term or a subsequent comma.In some cases you do not need to move the value of the array to your subroutine but somewhat the name of it, so that the subroutine can modify the global du