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<?php $array = array(0 => 100, "color" => "red"); $keys = array_keys($array); print_r($keys[0]); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IGuoW
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $keys
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_keys'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    5     5        INIT_FCALL                                               'print_r'
          6        FETCH_DIM_R                                      ~5      !1, 0
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                                 
    6     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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