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<?php $_ = array(); $_[$s?:(key($_)+1)] = "lol"; var_dump($_);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LmSb0
function name:  (null)
number of ops:  13
compiled vars:  !0 = $_, !1 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        JMP_SET                                          ~3      !1, ->7
          2        INIT_FCALL                                               'key'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $4      
          5        ADD                                              ~5      $4, 1
          6        QM_ASSIGN                                        ~3      ~5
          7        ASSIGN_DIM                                               !0, ~3
          8        OP_DATA                                                  'lol'
    6     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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