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<?php function diff($a, $b) { static $FMT = "Y-m-d H:i:s P (\D\S\T=I)"; printf("%20s: %s -> %s\n", $a->format("e"), $a->format($FMT), $b->format($FMT)); } $havana1 = new DateTime("@1615611600"); $havana1->setTimezone(new DateTimeZone("America/Havana")); $havana2 = (clone $havana1)->add(new DateInterval("P1D")); diff($havana1, $havana2); $tehran1 = new DateTime("@1616272200"); $tehran1->setTimezone(new DateTimeZone("Asia/Tehran")); $tehran2 = (clone $tehran1)->add(new DateInterval("P1D")); diff($tehran1, $tehran2); $la1 = new DateTime("@1615708800"); $la1->setTimezone(new DateTimeZone("America/Los_Angeles")); $la2 = (clone $la1)->add(new DateInterval("P1D")); diff($la1, $la2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KAl19
function name:  (null)
number of ops:  67
compiled vars:  !0 = $havana1, !1 = $havana2, !2 = $tehran1, !3 = $tehran2, !4 = $la1, !5 = $la2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $6      'DateTime'
          1        SEND_VAL_EX                                              '%401615611600'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $6
    9     4        INIT_METHOD_CALL                                         !0, 'setTimezone'
          5        NEW                                              $9      'DateTimeZone'
          6        SEND_VAL_EX                                              'America%2FHavana'
          7        DO_FCALL                                      0          
          8        SEND_VAR_NO_REF_EX                                       $9
          9        DO_FCALL                                      0          
   10    10        CLONE                                            ~12     !0
         11        INIT_METHOD_CALL                                         ~12, 'add'
         12        NEW                                              $13     'DateInterval'
         13        SEND_VAL_EX                                              'P1D'
         14        DO_FCALL                                      0          
         15        SEND_VAR_NO_REF_EX                                       $13
         16        DO_FCALL                                      0  $15     
         17        ASSIGN                                                   !1, $15
   11    18        INIT_FCALL                                               'diff'
         19        SEND_VAR                                                 !0
         20        SEND_VAR                                                 !1
         21        DO_FCALL                                      0          
   13    22        NEW                                              $18     'DateTime'
         23        SEND_VAL_EX                                              '%401616272200'
         24        DO_FCALL                                      0          
         25        ASSIGN                                                   !2, $18
   14    26        INIT_METHOD_CALL                                         !2, 'setTimezone'
         27        NEW                                              $21     'DateTimeZone'
         28        SEND_VAL_EX                                              'Asia%2FTehran'
         29        DO_FCALL                                      0          
         30        SEND_VAR_NO_REF_EX                                       $21
         31        DO_FCALL                                      0          
   15    32        CLONE                                            ~24     !2
         33        INIT_METHOD_CALL                                         ~24, 'add'
         34        NEW                                              $25     'DateInterval'
         35        SEND_VAL_EX                                              'P1D'
         36        DO_FCALL                                      0          
         37        SEND_VAR_NO_REF_EX                                       $25
         38        DO_FCALL                                      0  $27     
         39        ASSIGN                                                   !3, $27
   16    40        INIT_FCALL                                               'diff'
         41        SEND_VAR                                                 !2
         42        SEND_VAR                                                 !3
         43        DO_FCALL                                      0          
   18    44        NEW                                              $30     'DateTime'
         45        SEND_VAL_EX                                              '%401615708800'
         46        DO_FCALL                                      0          
         47        ASSIGN                                                   !4, $30
   19    48        INIT_METHOD_CALL                                         !4, 'setTimezone'
         49        NEW                                              $33     'DateTimeZone'
         50        SEND_VAL_EX                                              'America%2FLos_Angeles'
         51        DO_FCALL                                      0          
         52        SEND_VAR_NO_REF_EX                                       $33
         53        DO_FCALL                                      0          
   20    54        CLONE                                            ~36     !4
         55        INIT_METHOD_CALL                                         ~36, 'add'
         56        NEW                                              $37     'DateInterval'
         57        SEND_VAL_EX                                              'P1D'
         58        DO_FCALL                                      0          
         59        SEND_VAR_NO_REF_EX                                       $37
         60        DO_FCALL                                      0  $39     
         61        ASSIGN                                                   !5, $39
   21    62        INIT_FCALL                                               'diff'
         63        SEND_VAR                                                 !4
         64        SEND_VAR                                                 !5
         65        DO_FCALL                                      0          
         66      > RETURN                                                   1

Function diff:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KAl19
function name:  diff
number of ops:  19
compiled vars:  !0 = $a, !1 = $b, !2 = $FMT
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        BIND_STATIC                                              !2
    5     3        INIT_FCALL                                               'printf'
          4        SEND_VAL                                                 '%2520s%3A+%25s+-%3E+%25s%0A'
          5        INIT_METHOD_CALL                                         !0, 'format'
          6        SEND_VAL_EX                                              'e'
          7        DO_FCALL                                      0  $3      
          8        SEND_VAR                                                 $3
          9        INIT_METHOD_CALL                                         !0, 'format'
         10        SEND_VAR_EX                                              !2
         11        DO_FCALL                                      0  $4      
         12        SEND_VAR                                                 $4
         13        INIT_METHOD_CALL                                         !1, 'format'
         14        SEND_VAR_EX                                              !2
         15        DO_FCALL                                      0  $5      
         16        SEND_VAR                                                 $5
         17        DO_ICALL                                                 
    6    18      > RETURN                                                   null

End of function diff

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