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<?php $arr = [5]; next($arr); var_dump(key($arr));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/01heK
function name:  (null)
number of ops:  11
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'next'
          2        SEND_REF                                                 !0
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'key'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $3      
          8        SEND_VAR                                                 $3
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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