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<?php function a(&$p){ $p++; } a($x=18); var_dump($x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Pklt2
function name:  (null)
number of ops:  8
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                                   'a'
          1        ASSIGN                                               ~1      !0, 18
          2        SEND_VAL_EX                                                  ~1
          3        DO_FCALL                                          0          
    8     4        INIT_FCALL                                                   'var_dump'
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                                     
          7      > RETURN                                                       1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Pklt2
function name:  a
number of ops:  3
compiled vars:  !0 = $p
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        PRE_INC                                                      !0
    5     2      > RETURN                                                       null

End of function a

Generated using Vulcan Logic Dumper, using php 8.5.0


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