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<?php $intervalFrom = new DateInterval('PT12H'); $intervalTo = new DateInterval('PT1H30M'); $d1 = new DateTime("midnight"); $d1->add($intervalFrom); $d2 = new DateTime("midnight"); $d2->add($intervalTo); $diff = $d1->diff($d2); $strResult = sprintf("PT%sH%sM", $diff->h, $diff->i); $resultDateInterval = new DateInterval($strResult); var_dump($resultDateInterval);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U2MZG
function name:  (null)
number of ops:  42
compiled vars:  !0 = $intervalFrom, !1 = $intervalTo, !2 = $d1, !3 = $d2, !4 = $diff, !5 = $strResult, !6 = $resultDateInterval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $7      'DateInterval'
          1        SEND_VAL_EX                                              'PT12H'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $7
    3     4        NEW                                              $10     'DateInterval'
          5        SEND_VAL_EX                                              'PT1H30M'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $10
    4     8        NEW                                              $13     'DateTime'
          9        SEND_VAL_EX                                              'midnight'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $13
    5    12        INIT_METHOD_CALL                                         !2, 'add'
         13        SEND_VAR_EX                                              !0
         14        DO_FCALL                                      0          
    6    15        NEW                                              $17     'DateTime'
         16        SEND_VAL_EX                                              'midnight'
         17        DO_FCALL                                      0          
         18        ASSIGN                                                   !3, $17
    7    19        INIT_METHOD_CALL                                         !3, 'add'
         20        SEND_VAR_EX                                              !1
         21        DO_FCALL                                      0          
    8    22        INIT_METHOD_CALL                                         !2, 'diff'
         23        SEND_VAR_EX                                              !3
         24        DO_FCALL                                      0  $21     
         25        ASSIGN                                                   !4, $21
    9    26        INIT_FCALL                                               'sprintf'
         27        SEND_VAL                                                 'PT%25sH%25sM'
         28        FETCH_OBJ_R                                      ~23     !4, 'h'
         29        SEND_VAL                                                 ~23
         30        FETCH_OBJ_R                                      ~24     !4, 'i'
         31        SEND_VAL                                                 ~24
         32        DO_ICALL                                         $25     
         33        ASSIGN                                                   !5, $25
   10    34        NEW                                              $27     'DateInterval'
         35        SEND_VAR_EX                                              !5
         36        DO_FCALL                                      0          
         37        ASSIGN                                                   !6, $27
   11    38        INIT_FCALL                                               'var_dump'
         39        SEND_VAR                                                 !6
         40        DO_ICALL                                                 
         41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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