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<?php $foo = new stdclass; $foo->pdo = new stdclass; $bar = $foo; var_dump($bar,$foo); $foo = null; var_dump($bar,$foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cQd1f
function name:  (null)
number of ops:  18
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'stdclass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        NEW                                              $6      'stdclass'
          4        DO_FCALL                                      0          
          5        ASSIGN_OBJ                                               !0, 'pdo'
          6        OP_DATA                                                  $6
    6     7        ASSIGN                                                   !1, !0
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
    8    12        ASSIGN                                                   !0, null
    9    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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