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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 8.5.0


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