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<?php $x=array(1=>'t'); var_dump(key($x)); var_dump((object)$x); var_dump(key((array)(object)$x));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MBZnN
function name:  (null)
number of ops:  20
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'key'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
    5     7        INIT_FCALL                                               'var_dump'
          8        CAST                                          8  ~4      !0
          9        SEND_VAL                                                 ~4
         10        DO_ICALL                                                 
    6    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'key'
         13        CAST                                          8  ~6      !0
         14        CAST                                          7  ~7      ~6
         15        SEND_VAL                                                 ~7
         16        DO_ICALL                                         $8      
         17        SEND_VAR                                                 $8
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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