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

Generated using Vulcan Logic Dumper, using php 8.0.0


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