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<?php function test( &$var ) { $var = 'reference'; } $var = 'no reference'; call_user_func('test', $var ); var_dump($var );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VW2aB
function name:  (null)
number of ops:  8
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 'no+reference'
   10     1        INIT_FCALL                                               'test'
          2        SEND_USER                                                !0
          3        DO_FCALL                                      0          
   11     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VW2aB
function name:  test
number of ops:  3
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !0, 'reference'
    5     2      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
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