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<?php $a = new DateTime("2017-11-17 22:05:26.000000", new DateTimeZone('UTC')); $b = new DateTime("2017-04-03 22:29:15.079459", new DateTimeZone('UTC')); $diff = $a->diff($b); var_dump($diff->h); // Africa/Nairobi has no DST $a = new DateTime("2017-11-17 22:05:26.000000", new DateTimeZone('Africa/Nairobi')); $b = new DateTime("2017-04-03 22:29:15.079459", new DateTimeZone('Africa/Nairobi')); $diff = $a->diff($b); var_dump($diff->h);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9AWOI
function name:  (null)
number of ops:  49
compiled vars:  !0 = $a, !1 = $b, !2 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              '2017-11-17+22%3A05%3A26.000000'
          2        NEW                                              $4      'DateTimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $4
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $3
    4     8        NEW                                              $8      'DateTime'
          9        SEND_VAL_EX                                              '2017-04-03+22%3A29%3A15.079459'
         10        NEW                                              $9      'DateTimeZone'
         11        SEND_VAL_EX                                              'UTC'
         12        DO_FCALL                                      0          
         13        SEND_VAR_NO_REF_EX                                       $9
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !1, $8
    6    16        INIT_METHOD_CALL                                         !0, 'diff'
         17        SEND_VAR_EX                                              !1
         18        DO_FCALL                                      0  $13     
         19        ASSIGN                                                   !2, $13
    8    20        INIT_FCALL                                               'var_dump'
         21        FETCH_OBJ_R                                      ~15     !2, 'h'
         22        SEND_VAL                                                 ~15
         23        DO_ICALL                                                 
   11    24        NEW                                              $17     'DateTime'
         25        SEND_VAL_EX                                              '2017-11-17+22%3A05%3A26.000000'
         26        NEW                                              $18     'DateTimeZone'
         27        SEND_VAL_EX                                              'Africa%2FNairobi'
         28        DO_FCALL                                      0          
         29        SEND_VAR_NO_REF_EX                                       $18
         30        DO_FCALL                                      0          
         31        ASSIGN                                                   !0, $17
   12    32        NEW                                              $22     'DateTime'
         33        SEND_VAL_EX                                              '2017-04-03+22%3A29%3A15.079459'
         34        NEW                                              $23     'DateTimeZone'
         35        SEND_VAL_EX                                              'Africa%2FNairobi'
         36        DO_FCALL                                      0          
         37        SEND_VAR_NO_REF_EX                                       $23
         38        DO_FCALL                                      0          
         39        ASSIGN                                                   !1, $22
   14    40        INIT_METHOD_CALL                                         !0, 'diff'
         41        SEND_VAR_EX                                              !1
         42        DO_FCALL                                      0  $27     
         43        ASSIGN                                                   !2, $27
   16    44        INIT_FCALL                                               'var_dump'
         45        FETCH_OBJ_R                                      ~29     !2, 'h'
         46        SEND_VAL                                                 ~29
         47        DO_ICALL                                                 
         48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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