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

Generated using Vulcan Logic Dumper, using php 8.0.0


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