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<?php $b = []; list ($b[], $b[], $b[]) = explode('', 'abc'); var_dump($b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/F0cYU
function name:  (null)
number of ops:  19
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'explode'
          2        SEND_VAL                                                 ''
          3        SEND_VAL                                                 'abc'
          4        DO_ICALL                                         $2      
          5        FETCH_LIST_R                                     $3      $2, 0
          6        ASSIGN_DIM                                               !0
          7        OP_DATA                                                  $3
          8        FETCH_LIST_R                                     $5      $2, 1
          9        ASSIGN_DIM                                               !0
         10        OP_DATA                                                  $5
         11        FETCH_LIST_R                                     $7      $2, 2
         12        ASSIGN_DIM                                               !0
         13        OP_DATA                                                  $7
         14        FREE                                                     $2
    6    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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