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<?php $map = new WeakMap; $obj = new stdClass; $map[$obj] = 42; var_dump($map);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o6lZX
function name:  (null)
number of ops:  12
compiled vars:  !0 = $map, !1 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'WeakMap'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        NEW                                              $5      'stdClass'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
    5     6        ASSIGN_DIM                                               !0, !1
          7        OP_DATA                                                  42
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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