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<?php function &f(&$x){return $x;} $y =& f($x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5bfnl
function name:  (null)
number of ops:  5
compiled vars:  !0 = $y, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'f'
          1        SEND_REF                                                 !1
          2        DO_FCALL                                      0  $2      
          3        ASSIGN_REF                                               !0, $2
          4      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/5bfnl
function name:  f
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1      > RETURN_BY_REF                                            !0
          2*     > RETURN_BY_REF                                            null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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