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<?php function whipme($a = NULL) { var_dump($a); $a--; $a++; var_dump($a); } whipme(); whipme(0);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4rRig
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'whipme'
          1        DO_FCALL                                      0          
   12     2        INIT_FCALL                                               'whipme'
          3        SEND_VAL                                                 0
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function whipme:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4rRig
function name:  whipme
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
    5     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    6     4        PRE_DEC                                                  !0
    7     5        PRE_INC                                                  !0
    8     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
    9     9      > RETURN                                                   null

End of function whipme

Generated using Vulcan Logic Dumper, using php 8.0.0


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