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<?php $a = 1; echo ++$a * $a;
based on eNeN1
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/Zr0Zf
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, 1
   3     1        PRE_INC                                          $2      !0
         2        MUL                                              ~3      $2, !0
         3        ECHO                                                     ~3
         4      > RETURN                                                   1

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