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<?php $date1 = new DateTime('2013-01-01'); $date2 = new DateTime('2013-01-02'); var_dump($date1->diff($date2)->invert); var_dump($date2->diff($date1)->invert);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iY9lC
function name:  (null)
number of ops:  23
compiled vars:  !0 = $date1, !1 = $date2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2013-01-01'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        NEW                                              $5      'DateTime'
          5        SEND_VAL_EX                                              '2013-01-02'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $5
    4     8        INIT_FCALL                                               'var_dump'
          9        INIT_METHOD_CALL                                         !0, 'diff'
         10        SEND_VAR_EX                                              !1
         11        DO_FCALL                                      0  $8      
         12        FETCH_OBJ_R                                      ~9      $8, 'invert'
         13        SEND_VAL                                                 ~9
         14        DO_ICALL                                                 
    5    15        INIT_FCALL                                               'var_dump'
         16        INIT_METHOD_CALL                                         !1, 'diff'
         17        SEND_VAR_EX                                              !0
         18        DO_FCALL                                      0  $11     
         19        FETCH_OBJ_R                                      ~12     $11, 'invert'
         20        SEND_VAL                                                 ~12
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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