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<?php date_default_timezone_set('UTC'); $date = new DateTime('2015-01-01T12:00:00-05:00'); $timezone = $date->getTimezone(); echo $date->format('H:i'); // 12:00 echo "\n"; $date->setTimezone(new DateTimeZone('UTC')); echo $date->format('H:i'); // 17:00 echo "\n"; $date->setTimezone($timezone); echo $date->format('H:i'); // 12:00 echo "\n"; $date->setTimezone(new DateTimeZone('UTC')); echo $date->format('H:i'); // 12:00 ??? echo "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7CmJA
function name:  (null)
number of ops:  46
compiled vars:  !0 = $date, !1 = $timezone
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'UTC'
          2        DO_ICALL                                                 
    5     3        NEW                                              $3      'DateTime'
          4        SEND_VAL_EX                                              '2015-01-01T12%3A00%3A00-05%3A00'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $3
    6     7        INIT_METHOD_CALL                                         !0, 'getTimezone'
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !1, $6
    7    10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'H%3Ai'
         12        DO_FCALL                                      0  $8      
         13        ECHO                                                     $8
    8    14        ECHO                                                     '%0A'
   10    15        INIT_METHOD_CALL                                         !0, 'setTimezone'
         16        NEW                                              $9      'DateTimeZone'
         17        SEND_VAL_EX                                              'UTC'
         18        DO_FCALL                                      0          
         19        SEND_VAR_NO_REF_EX                                       $9
         20        DO_FCALL                                      0          
   11    21        INIT_METHOD_CALL                                         !0, 'format'
         22        SEND_VAL_EX                                              'H%3Ai'
         23        DO_FCALL                                      0  $12     
         24        ECHO                                                     $12
   12    25        ECHO                                                     '%0A'
   14    26        INIT_METHOD_CALL                                         !0, 'setTimezone'
         27        SEND_VAR_EX                                              !1
         28        DO_FCALL                                      0          
   15    29        INIT_METHOD_CALL                                         !0, 'format'
         30        SEND_VAL_EX                                              'H%3Ai'
         31        DO_FCALL                                      0  $14     
         32        ECHO                                                     $14
   16    33        ECHO                                                     '%0A'
   18    34        INIT_METHOD_CALL                                         !0, 'setTimezone'
         35        NEW                                              $15     'DateTimeZone'
         36        SEND_VAL_EX                                              'UTC'
         37        DO_FCALL                                      0          
         38        SEND_VAR_NO_REF_EX                                       $15
         39        DO_FCALL                                      0          
   19    40        INIT_METHOD_CALL                                         !0, 'format'
         41        SEND_VAL_EX                                              'H%3Ai'
         42        DO_FCALL                                      0  $18     
         43        ECHO                                                     $18
   20    44        ECHO                                                     '%0A'
         45      > RETURN                                                   1

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