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<?php function foo(StdClass &$foo) { var_dump($foo); } $bar = new StdClass; $bar->foo = 'foo'; foo($bar);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iiR3P
function name:  (null)
number of ops:  9
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $1      'StdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    8     3        ASSIGN_OBJ                                               !0, 'foo'
          4        OP_DATA                                                  'foo'
    9     5        INIT_FCALL                                               'foo'
          6        SEND_REF                                                 !0
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iiR3P
function name:  foo
number of ops:  5
compiled vars:  !0 = $foo
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      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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