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<?php $a = "/?".time(); echo gettype($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gEL61
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'time'
          1        DO_ICALL                                         $1      
          2        CONCAT                                           ~2      '%2F%3F', $1
          3        ASSIGN                                                   !0, ~2
    3     4        GET_TYPE                                         ~4      !0
          5        ECHO                                                     ~4
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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