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<?php $date = new DateTimeImmutable('2015-11-11 15:00:00', new DateTimeZone('UTC')); var_dump($date); echo "\n Date timestamp using format(): " . $date->format('U'); echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp(); echo "\nChanging timezone to CET"; $date2 = $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?!?!'; echo "\n Date timestamp using format(): " . $date2->format('U') . ' NB: This has changed?!?!'; echo "\n Date timestamp using getTimestamp(): " . $date2->getTimestamp() . ' NB: Now it is back?!?!'; echo "\n Date timestamp using format() again: " . $date2->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/p27XG
function name:  (null)
number of ops:  63
compiled vars:  !0 = $date, !1 = $date2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTimeImmutable'
          1        SEND_VAL_EX                                              '2015-11-11+15%3A00%3A00'
          2        NEW                                              $3      'DateTimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $3
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $2
    3     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    5    11        INIT_METHOD_CALL                                         !0, 'format'
         12        SEND_VAL_EX                                              'U'
         13        DO_FCALL                                      0  $8      
         14        CONCAT                                           ~9      '%0A+Date+timestamp+using+format%28%29%3A+++++++', $8
         15        ECHO                                                     ~9
    6    16        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         17        DO_FCALL                                      0  $10     
         18        CONCAT                                           ~11     '%0A+Date+timestamp+using+getTimestamp%28%29%3A+', $10
         19        ECHO                                                     ~11
    8    20        ECHO                                                     '%0AChanging+timezone+to+CET'
    9    21        INIT_METHOD_CALL                                         !0, 'setTimezone'
         22        NEW                                              $12     'DateTimeZone'
         23        SEND_VAL_EX                                              'CET'
         24        DO_FCALL                                      0          
         25        SEND_VAR_NO_REF_EX                                       $12
         26        DO_FCALL                                      0  $14     
         27        ASSIGN                                                   !1, $14
   11    28        INIT_METHOD_CALL                                         !0, 'format'
         29        SEND_VAL_EX                                              'U'
         30        DO_FCALL                                      0  $16     
         31        CONCAT                                           ~17     '%0A+Date+timestamp+using+format%28%29%3A+++++++', $16
         32        CONCAT                                           ~18     ~17, '+NB%3A+This+has+changed%3F%21%3F%21'
         33        ECHO                                                     ~18
   12    34        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         35        DO_FCALL                                      0  $19     
         36        CONCAT                                           ~20     '%0A+Date+timestamp+using+getTimestamp%28%29%3A+', $19
         37        CONCAT                                           ~21     ~20, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         38        ECHO                                                     ~21
   13    39        INIT_METHOD_CALL                                         !0, 'format'
         40        SEND_VAL_EX                                              'U'
         41        DO_FCALL                                      0  $22     
         42        CONCAT                                           ~23     '%0A+Date+timestamp+using+format%28%29+again%3A+', $22
         43        CONCAT                                           ~24     ~23, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         44        ECHO                                                     ~24
   15    45        INIT_METHOD_CALL                                         !1, 'format'
         46        SEND_VAL_EX                                              'U'
         47        DO_FCALL                                      0  $25     
         48        CONCAT                                           ~26     '%0A+Date+timestamp+using+format%28%29%3A+++++++', $25
         49        CONCAT                                           ~27     ~26, '+NB%3A+This+has+changed%3F%21%3F%21'
         50        ECHO                                                     ~27
   16    51        INIT_METHOD_CALL                                         !1, 'getTimestamp'
         52        DO_FCALL                                      0  $28     
         53        CONCAT                                           ~29     '%0A+Date+timestamp+using+getTimestamp%28%29%3A+', $28
         54        CONCAT                                           ~30     ~29, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         55        ECHO                                                     ~30
   17    56        INIT_METHOD_CALL                                         !1, 'format'
         57        SEND_VAL_EX                                              'U'
         58        DO_FCALL                                      0  $31     
         59        CONCAT                                           ~32     '%0A+Date+timestamp+using+format%28%29+again%3A+', $31
         60        CONCAT                                           ~33     ~32, '+NB%3A+Now+it+is+back%3F%21%3F%21'
         61        ECHO                                                     ~33
         62      > RETURN                                                   1

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