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<?php $x = 0; $a = &$x; $x++; echo $x, ' ', $a; $a++; echo $x, ' ', $a;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EpoDS
function name:  (null)
number of ops:  11
compiled vars:  !0 = $x, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    3     1        ASSIGN_REF                                               !1, !0
    4     2        PRE_INC                                                  !0
    5     3        ECHO                                                     !0
          4        ECHO                                                     '+'
          5        ECHO                                                     !1
    6     6        PRE_INC                                                  !1
    7     7        ECHO                                                     !0
          8        ECHO                                                     '+'
          9        ECHO                                                     !1
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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