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<?php $ref = new DateTime('2024-01-01 00:00:00', new DateTimeZone('Europe/Berlin')); $t1 = new DateTime('2024-03-31 12:00:00', new DateTimeZone('Europe/Berlin')); $t2 = new DateTime('2024-04-01 12:00:00', new DateTimeZone('Europe/Berlin')); $t3 = new DateTime('2024-10-27 12:00:00', new DateTimeZone('Europe/Berlin')); $t4 = new DateTime('2024-10-28 12:00:00', new DateTimeZone('Europe/Berlin')); // DST start $diff1 = $ref->diff($t1); $diff2 = $ref->diff($t2); // DST end $diff3 = $ref->diff($t3); $diff4 = $ref->diff($t4); echo('DST start' . PHP_EOL); var_dump($diff1->h, $diff2->h); echo('DST end' . PHP_EOL); var_dump($diff3->h, $diff4->h);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VkM09
function name:  (null)
number of ops:  71
compiled vars:  !0 = $ref, !1 = $t1, !2 = $t2, !3 = $t3, !4 = $t4, !5 = $diff1, !6 = $diff2, !7 = $diff3, !8 = $diff4
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $9      'DateTime'
          1        SEND_VAL_EX                                              '2024-01-01+00%3A00%3A00'
          2        NEW                                              $10     'DateTimeZone'
          3        SEND_VAL_EX                                              'Europe%2FBerlin'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $10
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $9
    4     8        NEW                                              $14     'DateTime'
          9        SEND_VAL_EX                                              '2024-03-31+12%3A00%3A00'
         10        NEW                                              $15     'DateTimeZone'
         11        SEND_VAL_EX                                              'Europe%2FBerlin'
         12        DO_FCALL                                      0          
         13        SEND_VAR_NO_REF_EX                                       $15
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !1, $14
    5    16        NEW                                              $19     'DateTime'
         17        SEND_VAL_EX                                              '2024-04-01+12%3A00%3A00'
         18        NEW                                              $20     'DateTimeZone'
         19        SEND_VAL_EX                                              'Europe%2FBerlin'
         20        DO_FCALL                                      0          
         21        SEND_VAR_NO_REF_EX                                       $20
         22        DO_FCALL                                      0          
         23        ASSIGN                                                   !2, $19
    6    24        NEW                                              $24     'DateTime'
         25        SEND_VAL_EX                                              '2024-10-27+12%3A00%3A00'
         26        NEW                                              $25     'DateTimeZone'
         27        SEND_VAL_EX                                              'Europe%2FBerlin'
         28        DO_FCALL                                      0          
         29        SEND_VAR_NO_REF_EX                                       $25
         30        DO_FCALL                                      0          
         31        ASSIGN                                                   !3, $24
    7    32        NEW                                              $29     'DateTime'
         33        SEND_VAL_EX                                              '2024-10-28+12%3A00%3A00'
         34        NEW                                              $30     'DateTimeZone'
         35        SEND_VAL_EX                                              'Europe%2FBerlin'
         36        DO_FCALL                                      0          
         37        SEND_VAR_NO_REF_EX                                       $30
         38        DO_FCALL                                      0          
         39        ASSIGN                                                   !4, $29
   10    40        INIT_METHOD_CALL                                         !0, 'diff'
         41        SEND_VAR_EX                                              !1
         42        DO_FCALL                                      0  $34     
         43        ASSIGN                                                   !5, $34
   11    44        INIT_METHOD_CALL                                         !0, 'diff'
         45        SEND_VAR_EX                                              !2
         46        DO_FCALL                                      0  $36     
         47        ASSIGN                                                   !6, $36
   13    48        INIT_METHOD_CALL                                         !0, 'diff'
         49        SEND_VAR_EX                                              !3
         50        DO_FCALL                                      0  $38     
         51        ASSIGN                                                   !7, $38
   14    52        INIT_METHOD_CALL                                         !0, 'diff'
         53        SEND_VAR_EX                                              !4
         54        DO_FCALL                                      0  $40     
         55        ASSIGN                                                   !8, $40
   16    56        ECHO                                                     'DST+start%0A'
   17    57        INIT_FCALL                                               'var_dump'
         58        FETCH_OBJ_R                                      ~42     !5, 'h'
         59        SEND_VAL                                                 ~42
         60        FETCH_OBJ_R                                      ~43     !6, 'h'
         61        SEND_VAL                                                 ~43
         62        DO_ICALL                                                 
   19    63        ECHO                                                     'DST+end%0A'
   20    64        INIT_FCALL                                               'var_dump'
         65        FETCH_OBJ_R                                      ~45     !7, 'h'
         66        SEND_VAL                                                 ~45
         67        FETCH_OBJ_R                                      ~46     !8, 'h'
         68        SEND_VAL                                                 ~46
         69        DO_ICALL                                                 
         70      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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