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<?php class MyClass {} function foo($var){ var_dump($var); $var = 42; // breaks the reference? var_dump($var); } $o = new MyClass; foo($o); var_dump($o);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uYYHq
function name:  (null)
number of ops:  10
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $1      'MyClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   10     3        INIT_FCALL                                               'foo'
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0          
   11     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uYYHq
function name:  foo
number of ops:  9
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    5     4        ASSIGN                                                   !0, 42
    6     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    7     8      > RETURN                                                   null

End of function foo

Class MyClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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