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<?php var_dump(date_default_timezone_set('Etc/GMT+9')); $d = new DateTime(); var_dump($d->getTimeZone()); new DateTimeZone('Etc/GMT+9');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lfalF
function name:  (null)
number of ops:  19
compiled vars:  !0 = $d
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'date_default_timezone_set'
          2        SEND_VAL                                                     'Etc%2FGMT%2B9'
          3        DO_ICALL                                             $1      
          4        SEND_VAR                                                     $1
          5        DO_ICALL                                                     
    5     6        NEW                                                  $3      'DateTime'
          7        DO_FCALL                                          0          
          8        ASSIGN                                                       !0, $3
    7     9        INIT_FCALL                                                   'var_dump'
         10        INIT_METHOD_CALL                                             !0, 'getTimeZone'
         11        DO_FCALL                                          0  $6      
         12        SEND_VAR                                                     $6
         13        DO_ICALL                                                     
    9    14        NEW                                                  $8      'DateTimeZone'
         15        SEND_VAL_EX                                                  'Etc%2FGMT%2B9'
         16        DO_FCALL                                          0          
         17        FREE                                                         $8
         18      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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