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<?php $tz = new DateTimeZone('America/Chicago'); $start = 1293861600; $end = 1357020000; $transitions = $tz->getTransitions($start, $end); var_dump($transitions);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MtJ2X
function name:  (null)
number of ops:  15
compiled vars:  !0 = $tz, !1 = $start, !2 = $end, !3 = $transitions
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $4      'DateTimeZone'
          1        SEND_VAL_EX                                                  'America%2FChicago'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $4
    4     4        ASSIGN                                                       !1, 1293861600
    5     5        ASSIGN                                                       !2, 1357020000
    6     6        INIT_METHOD_CALL                                             !0, 'getTransitions'
          7        SEND_VAR_EX                                                  !1
          8        SEND_VAR_EX                                                  !2
          9        DO_FCALL                                          0  $9      
         10        ASSIGN                                                       !3, $9
    7    11        INIT_FCALL                                                   'var_dump'
         12        SEND_VAR                                                     !3
         13        DO_ICALL                                                     
         14      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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