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<?php $num = 0; function toggleNumber( $num ) { return $num ^= 1; } echo toggleNumber( $num );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/h7TAe
function name:  (null)
number of ops:  6
compiled vars:  !0 = $num
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 0
    8     1        INIT_FCALL                                                   'togglenumber'
          2        SEND_VAR                                                     !0
          3        DO_FCALL                                          0  $2      
          4        ECHO                                                         $2
          5      > RETURN                                                       1

Function togglenumber:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/h7TAe
function name:  toggleNumber
number of ops:  4
compiled vars:  !0 = $num
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   RECV                                                 !0      
    5     1        ASSIGN_OP                                        11  ~1      !0, 1
          2      > RETURN                                                       ~1
    6     3*     > RETURN                                                       null

End of function togglenumber

Generated using Vulcan Logic Dumper, using php 8.5.0


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