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<?php $class = '1.2.3.4.5.6'; $base = explode(".", $class)[0]; echo $base; $roles=null; $roles[]="aaa"; var_dump($roles);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AsXdr
function name:  (null)
number of ops:  15
compiled vars:  !0 = $class, !1 = $base, !2 = $roles
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '1.2.3.4.5.6'
    3     1        INIT_FCALL                                               'explode'
          2        SEND_VAL                                                 '.'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $4      
          5        FETCH_DIM_R                                      ~5      $4, 0
          6        ASSIGN                                                   !1, ~5
    4     7        ECHO                                                     !1
    6     8        ASSIGN                                                   !2, null
    7     9        ASSIGN_DIM                                               !2
         10        OP_DATA                                                  'aaa'
    8    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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