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<?php $a = ['contact', 'home', 'projects']; [$a[0], $a[1]] = [$a[1], $a[0]]; var_export($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nDUpG
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    5     1        FETCH_DIM_R                                          ~2      !0, 1
          2        INIT_ARRAY                                           ~3      ~2
          3        FETCH_DIM_R                                          ~4      !0, 0
          4        ADD_ARRAY_ELEMENT                                    ~3      ~4
          5        FETCH_LIST_R                                         $5      ~3, 0
          6        ASSIGN_DIM                                                   !0, 0
          7        OP_DATA                                                      $5
          8        FETCH_LIST_R                                         $7      ~3, 1
          9        ASSIGN_DIM                                                   !0, 1
         10        OP_DATA                                                      $7
         11        FREE                                                         ~3
    7    12        INIT_FCALL                                                   'var_export'
         13        SEND_VAR                                                     !0
         14        DO_ICALL                                                     
         15      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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