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<?php $a = [ '$' => 'foo', '$a' => 'bar' ]; var_dump( $a["$"], $a["$a"], $a['$a'] );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A9BeM
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'var_dump'
    9     2        FETCH_DIM_R                                      ~2      !0, '%24'
          3        SEND_VAL                                                 ~2
   10     4        CAST                                          6  ~3      !0
          5        FETCH_DIM_R                                      ~4      !0, ~3
          6        SEND_VAL                                                 ~4
   11     7        FETCH_DIM_R                                      ~5      !0, '%24a'
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
   12    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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