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<?php $previousDay = null; foreach ($days as $day) { if(isset($previousDay)) { // Do the calculations with $day being the current one and prevDay the previous day (night?) } else { // For the first day of the array you have no previous so do normal calculations or smth } $previousDay = $day; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 6
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/lLuVB
function name:  (null)
number of ops:  10
compiled vars:  !0 = $previousDay, !1 = $days, !2 = $day
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1      > FE_RESET_R                                       $4      !1, ->8
          2    > > FE_FETCH_R                                               $4, !2, ->8
    5     3    >   ISSET_ISEMPTY_CV                                         !0
          4      > JMPZ                                                     ~5, ->6
          5    > > JMP                                                      ->6
   11     6    >   ASSIGN                                                   !0, !2
    4     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $4
   12     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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