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

Generated using Vulcan Logic Dumper, using php 8.0.0


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