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<?php $v = ' '; $v[] = 1; $v = ''; $v[] = 1;
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/1kFF5
function name:  (null)
number of ops:  7
compiled vars:  !0 = $v
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, '++'
   3     1        ASSIGN_DIM                                               !0
         2        OP_DATA                                                  1
   5     3        ASSIGN                                                   !0, ''
   6     4        ASSIGN_DIM                                               !0
         5        OP_DATA                                                  1
         6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0