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

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