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<?php $date = new DateTime('2015-01-15', new DateTimeZone('UTC')); var_dump($date); $date->setTimezone(new DateTimeZone('CET')); echo "\n Date timestamp using format(): " . $date->format('U'); echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp(); echo "\nChanging timezone to CET"; $date->setTimezone(new DateTimeZone('CET')); echo "\n Date timestamp using format(): " . $date->format('U') . ' NB: This has changed?!?!'; echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp() . ' NB: Now it is back?!?!'; echo "\n Date timestamp using format() again: " . $date->format('U') . ' NB: Now it is back?!?!';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0bhcY
function name:  (null)
number of ops:  51
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2015-01-15'
          2        NEW                                              $2      'DateTimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $2
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $1
    3     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    4    11        INIT_METHOD_CALL                                         !0, 'setTimezone'
         12        NEW                                              $7      'DateTimeZone'
         13        SEND_VAL_EX                                              'CET'
         14        DO_FCALL                                      0          
         15        SEND_VAR_NO_REF_EX                                       $7
         16        DO_FCALL                                      0          
    5    17        INIT_METHOD_CALL                                         !0, 'format'
         18        SEND_VAL_EX                                              'U'
         19        DO_FCALL                                      0  $10     
         20        CONCAT                                           ~11     '%0A+Date+timestamp+using+format%28%29%3A+++++++', $10
         21        ECHO                                                     ~11
    6    22        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         23        DO_FCALL                                      0  $12     
         24        CONCAT                                           ~13     '%0A+Date+timestamp+using+getTimestamp%28%29%3A+', $12
         25        ECHO                                                     ~13
    8    26        ECHO                                                     '%0AChanging+timezone+to+CET'
    9    27        INIT_METHOD_CALL                                         !0, 'setTimezone'
         28        NEW                                              $14     'DateTimeZone'
         29        SEND_VAL_EX                                              'CET'
         30        DO_FCALL                                      0          
         31        SEND_VAR_NO_REF_EX                                       $14
         32        DO_FCALL                                      0          
   11    33        INIT_METHOD_CALL                                         !0, 'format'
         34        SEND_VAL_EX                                              'U'
         35        DO_FCALL                                      0  $17     
         36        CONCAT                                           ~18     '%0A+Date+timestamp+using+format%28%29%3A+++++++', $17
         37        CONCAT                                           ~19     ~18, '+NB%3A+This+has+changed%3F%21%3F%21'
         38        ECHO                                                     ~19
   12    39        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         40        DO_FCALL                                      0  $20     
         41        CONCAT                                           ~21     '%0A+Date+timestamp+using+getTimestamp%28%29%3A+', $20
         42        CONCAT                                           ~22     ~21, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         43        ECHO                                                     ~22
   13    44        INIT_METHOD_CALL                                         !0, 'format'
         45        SEND_VAL_EX                                              'U'
         46        DO_FCALL                                      0  $23     
         47        CONCAT                                           ~24     '%0A+Date+timestamp+using+format%28%29+again%3A+', $23
         48        CONCAT                                           ~25     ~24, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         49        ECHO                                                     ~25
         50      > RETURN                                                   1

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