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<?php $eventDates = []; $startingDate = "2020-10-20"; $daysBetween = ["2020-10-21", "2020-10-22", "2020-10-23"]; $endingDate = "2020-10-24"; $eventDates[5] = [ "startingDate" => $startingDate, "daysBetween" => $daysBetween, "endingDate" => $endingDate, ]; $startingDate = "2020-09-20"; $daysBetween = ["2020-09-21", "2020-09-22", "2020-09-23"]; $endingDate = "2020-09-24"; $eventDates[10] = [ "startingDate" => $startingDate, "daysBetween" => $daysBetween, "endingDate" => $endingDate, ]; $searchFor = '2020-09-20'; $result = array_filter($eventDates, function($v) use ($searchFor) { return ($v['startingDate'] ?? null) == $searchFor; }); print_r($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iaT8k
function name:  (null)
number of ops:  29
compiled vars:  !0 = $eventDates, !1 = $startingDate, !2 = $daysBetween, !3 = $endingDate, !4 = $searchFor, !5 = $result
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    5     1        ASSIGN                                                       !1, '2020-10-20'
    6     2        ASSIGN                                                       !2, <array>
    7     3        ASSIGN                                                       !3, '2020-10-24'
    9     4        INIT_ARRAY                                           ~11     !1, 'startingDate'
   10     5        ADD_ARRAY_ELEMENT                                    ~11     !2, 'daysBetween'
   11     6        ADD_ARRAY_ELEMENT                                    ~11     !3, 'endingDate'
    8     7        ASSIGN_DIM                                                   !0, 5
   11     8        OP_DATA                                                      ~11
   14     9        ASSIGN                                                       !1, '2020-09-20'
   15    10        ASSIGN                                                       !2, <array>
   16    11        ASSIGN                                                       !3, '2020-09-24'
   18    12        INIT_ARRAY                                           ~16     !1, 'startingDate'
   19    13        ADD_ARRAY_ELEMENT                                    ~16     !2, 'daysBetween'
   20    14        ADD_ARRAY_ELEMENT                                    ~16     !3, 'endingDate'
   17    15        ASSIGN_DIM                                                   !0, 10
   20    16        OP_DATA                                                      ~16
   23    17        ASSIGN                                                       !4, '2020-09-20'
   24    18        INIT_FCALL                                                   'array_filter'
         19        SEND_VAR                                                     !0
         20        DECLARE_LAMBDA_FUNCTION                              ~18     [0]
         21        BIND_LEXICAL                                                 ~18, !4
   26    22        SEND_VAL                                                     ~18
   24    23        DO_ICALL                                             $19     
         24        ASSIGN                                                       !5, $19
   27    25        INIT_FCALL                                                   'print_r'
         26        SEND_VAR                                                     !5
         27        DO_ICALL                                                     
         28      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iaT8k
function name:  {closure:/in/iaT8k:24}
number of ops:  8
compiled vars:  !0 = $v, !1 = $searchFor
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   24     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
   25     2        FETCH_DIM_IS                                         ~2      !0, 'startingDate'
          3        COALESCE                                             ~3      ~2
          4        QM_ASSIGN                                            ~3      null
          5        IS_EQUAL                                             ~4      !1, ~3
          6      > RETURN                                                       ~4
   26     7*     > RETURN                                                       null

End of Dynamic Function 0

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