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<?php error_reporting(-1); function f(&$foo) { var_dump($foo); $foo = "bob"; } f($x); var_dump($x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qEjiA
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                                 
          3        INIT_FCALL                                               'f'
          4        SEND_REF                                                 !0
          5        DO_FCALL                                      0          
          6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

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

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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