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<?php // $baz = 'baz'; function foo(&$var, $x) { echo $GLOBALS["baz"]; $var =& $x; } $bar = 'bar'; foo($bar); var_dump($bar);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SvkX9
function name:  (null)
number of ops:  8
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 'bar'
    9     1        INIT_FCALL                                               'foo'
          2        SEND_REF                                                 !0
          3        DO_FCALL                                      0          
   11     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SvkX9
function name:  foo
number of ops:  7
compiled vars:  !0 = $var, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        FETCH_R                      global              ~2      'GLOBALS'
          3        FETCH_DIM_R                                      ~3      ~2, 'baz'
          4        ECHO                                                     ~3
    6     5        ASSIGN_REF                                               !0, !1
    7     6      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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