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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);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7sCi5
function name:  (null)
number of ops:  45
compiled vars:  !0 = $havana1, !1 = $havana2, !2 = $tehran1, !3 = $tehran2
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   NEW                                                  $4      'DateTime'
          1        SEND_VAL_EX                                                  '%401615611600'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $4
    9     4        INIT_METHOD_CALL                                             !0, 'setTimezone'
          5        NEW                                                  $7      'DateTimeZone'
          6        SEND_VAL_EX                                                  'America%2FHavana'
          7        DO_FCALL                                          0          
          8        SEND_VAR_NO_REF_EX                                           $7
          9        DO_FCALL                                          0          
   10    10        CLONE                                                ~10     !0
         11        INIT_METHOD_CALL                                             ~10, 'add'
         12        NEW                                                  $11     'DateInterval'
         13        SEND_VAL_EX                                                  'P1D'
         14        DO_FCALL                                          0          
         15        SEND_VAR_NO_REF_EX                                           $11
         16        DO_FCALL                                          0  $13     
         17        ASSIGN                                                       !1, $13
   11    18        INIT_FCALL                                                   'diff'
         19        SEND_VAR                                                     !0
         20        SEND_VAR                                                     !1
         21        DO_FCALL                                          0          
   13    22        NEW                                                  $16     'DateTime'
         23        SEND_VAL_EX                                                  '%401616272200'
         24        DO_FCALL                                          0          
         25        ASSIGN                                                       !2, $16
   14    26        INIT_METHOD_CALL                                             !2, 'setTimezone'
         27        NEW                                                  $19     'DateTimeZone'
         28        SEND_VAL_EX                                                  'Asia%2FTehran'
         29        DO_FCALL                                          0          
         30        SEND_VAR_NO_REF_EX                                           $19
         31        DO_FCALL                                          0          
   15    32        CLONE                                                ~22     !2
         33        INIT_METHOD_CALL                                             ~22, 'add'
         34        NEW                                                  $23     'DateInterval'
         35        SEND_VAL_EX                                                  'P1D'
         36        DO_FCALL                                          0          
         37        SEND_VAR_NO_REF_EX                                           $23
         38        DO_FCALL                                          0  $25     
         39        ASSIGN                                                       !3, $25
   16    40        INIT_FCALL                                                   'diff'
         41        SEND_VAR                                                     !2
         42        SEND_VAR                                                     !3
         43        DO_FCALL                                          0          
         44      > RETURN                                                       1

Function diff:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7sCi5
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

Generated using Vulcan Logic Dumper, using php 8.5.0


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