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<?php $dates = [ null, new DateTime("now"), null, new DateTime("yesterday"), ]; $minDate = null; foreach ($dates as $date) { if ($date && (!$minDate || $date < $minDate)) { $minDate = $date; } } var_export($minDate);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 23
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 23
Branch analysis from position: 14
2 jumps found. (Code = 46) Position 1 = 15, Position 2 = 20
Branch analysis from position: 15
2 jumps found. (Code = 47) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 22
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 22
Branch analysis from position: 19
Branch analysis from position: 20
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
filename:       /in/nFLpk
function name:  (null)
number of ops:  28
compiled vars:  !0 = $dates, !1 = $minDate, !2 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_ARRAY                                       ~3      null
    5     1        NEW                                              $4      'DateTime'
          2        SEND_VAL_EX                                              'now'
          3        DO_FCALL                                      0          
          4        ADD_ARRAY_ELEMENT                                ~3      $4
    4     5        ADD_ARRAY_ELEMENT                                ~3      null
    7     6        NEW                                              $6      'DateTime'
          7        SEND_VAL_EX                                              'yesterday'
          8        DO_FCALL                                      0          
          9        ADD_ARRAY_ELEMENT                                ~3      $6
    3    10        ASSIGN                                                   !0, ~3
   10    11        ASSIGN                                                   !1, null
   11    12      > FE_RESET_R                                       $10     !0, ->23
         13    > > FE_FETCH_R                                               $10, !2, ->23
   12    14    > > JMPZ_EX                                          ~11     !2, ->20
         15    >   BOOL_NOT                                         ~12     !1
         16      > JMPNZ_EX                                         ~12     ~12, ->19
         17    >   IS_SMALLER                                       ~13     !2, !1
         18        BOOL                                             ~12     ~13
         19    >   BOOL                                             ~11     ~12
         20    > > JMPZ                                                     ~11, ->22
   13    21    >   ASSIGN                                                   !1, !2
   11    22    > > JMP                                                      ->13
         23    >   FE_FREE                                                  $10
   16    24        INIT_FCALL                                               'var_export'
         25        SEND_VAR                                                 !1
         26        DO_ICALL                                                 
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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