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<?php $tz = new DateTimeZone("Europe/Zurich"); $dt1 = new Datetime('2019-01-01', $tz); $dt2 = new Datetime('2019-05-01', $tz); echo 'EU/ZU : ' . $dt1->diff($dt2)->format('%a') . ' Days' . PHP_EOL; echo 'EU/ZU : ' . $dt1->diff($dt2)->format('%m') . ' Months' . PHP_EOL . PHP_EOL; $tz = new DateTimeZone("UTC"); $dt1 = new Datetime('2019-01-01', $tz); $dt2 = new Datetime('2019-05-01', $tz); echo 'UTC : ' . $dt1->diff($dt2)->format('%a') . ' Days' . PHP_EOL; echo 'UTC : ' . $dt1->diff($dt2)->format('%m') . ' Months' . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/31Be9
function name:  (null)
number of ops:  70
compiled vars:  !0 = $tz, !1 = $dt1, !2 = $dt2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTimeZone'
          1        SEND_VAL_EX                                              'Europe%2FZurich'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        NEW                                              $6      'Datetime'
          5        SEND_VAL_EX                                              '2019-01-01'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $6
    5     9        NEW                                              $9      'Datetime'
         10        SEND_VAL_EX                                              '2019-05-01'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !2, $9
    6    14        INIT_METHOD_CALL                                         !1, 'diff'
         15        SEND_VAR_EX                                              !2
         16        DO_FCALL                                      0  $12     
         17        INIT_METHOD_CALL                                         $12, 'format'
         18        SEND_VAL_EX                                              '%25a'
         19        DO_FCALL                                      0  $13     
         20        CONCAT                                           ~14     'EU%2FZU+%3A+', $13
         21        CONCAT                                           ~15     ~14, '+Days'
         22        CONCAT                                           ~16     ~15, '%0A'
         23        ECHO                                                     ~16
    7    24        INIT_METHOD_CALL                                         !1, 'diff'
         25        SEND_VAR_EX                                              !2
         26        DO_FCALL                                      0  $17     
         27        INIT_METHOD_CALL                                         $17, 'format'
         28        SEND_VAL_EX                                              '%25m'
         29        DO_FCALL                                      0  $18     
         30        CONCAT                                           ~19     'EU%2FZU+%3A+', $18
         31        CONCAT                                           ~20     ~19, '+Months'
         32        CONCAT                                           ~21     ~20, '%0A'
         33        CONCAT                                           ~22     ~21, '%0A'
         34        ECHO                                                     ~22
   10    35        NEW                                              $23     'DateTimeZone'
         36        SEND_VAL_EX                                              'UTC'
         37        DO_FCALL                                      0          
         38        ASSIGN                                                   !0, $23
   11    39        NEW                                              $26     'Datetime'
         40        SEND_VAL_EX                                              '2019-01-01'
         41        SEND_VAR_EX                                              !0
         42        DO_FCALL                                      0          
         43        ASSIGN                                                   !1, $26
   12    44        NEW                                              $29     'Datetime'
         45        SEND_VAL_EX                                              '2019-05-01'
         46        SEND_VAR_EX                                              !0
         47        DO_FCALL                                      0          
         48        ASSIGN                                                   !2, $29
   13    49        INIT_METHOD_CALL                                         !1, 'diff'
         50        SEND_VAR_EX                                              !2
         51        DO_FCALL                                      0  $32     
         52        INIT_METHOD_CALL                                         $32, 'format'
         53        SEND_VAL_EX                                              '%25a'
         54        DO_FCALL                                      0  $33     
         55        CONCAT                                           ~34     'UTC+%3A+', $33
         56        CONCAT                                           ~35     ~34, '+Days'
         57        CONCAT                                           ~36     ~35, '%0A'
         58        ECHO                                                     ~36
   14    59        INIT_METHOD_CALL                                         !1, 'diff'
         60        SEND_VAR_EX                                              !2
         61        DO_FCALL                                      0  $37     
         62        INIT_METHOD_CALL                                         $37, 'format'
         63        SEND_VAL_EX                                              '%25m'
         64        DO_FCALL                                      0  $38     
         65        CONCAT                                           ~39     'UTC+%3A+', $38
         66        CONCAT                                           ~40     ~39, '+Months'
         67        CONCAT                                           ~41     ~40, '%0A'
         68        ECHO                                                     ~41
   15    69      > RETURN                                                   1

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