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<?php $d1 = new DateTime('2015-03-01'); $d2 = new DateTime('2015-03-21'); $df = $d2->diff($d1); var_dump($df->days, !!$df->invert);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YTY8B
function name:  (null)
number of ops:  21
compiled vars:  !0 = $d1, !1 = $d2, !2 = $df
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              '2015-03-01'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        NEW                                              $6      'DateTime'
          5        SEND_VAL_EX                                              '2015-03-21'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $6
    5     8        INIT_METHOD_CALL                                         !1, 'diff'
          9        SEND_VAR_EX                                              !0
         10        DO_FCALL                                      0  $9      
         11        ASSIGN                                                   !2, $9
    6    12        INIT_FCALL                                               'var_dump'
         13        FETCH_OBJ_R                                      ~11     !2, 'days'
         14        SEND_VAL                                                 ~11
         15        FETCH_OBJ_R                                      ~12     !2, 'invert'
         16        BOOL_NOT                                         ~13     ~12
         17        BOOL_NOT                                         ~14     ~13
         18        SEND_VAL                                                 ~14
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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