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<?php $var_0 = 0; echo "0: " . isset($var_0); echo PHP_EOL; echo "NULL: " . isset($var_null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TU3G6
function name:  (null)
number of ops:  9
compiled vars:  !0 = $var_0, !1 = $var_null
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
    4     1        ISSET_ISEMPTY_CV                                 ~3      !0
          2        CONCAT                                           ~4      '0%3A+', ~3
          3        ECHO                                                     ~4
    5     4        ECHO                                                     '%0A'
    6     5        ISSET_ISEMPTY_CV                                 ~5      !1
          6        CONCAT                                           ~6      'NULL%3A+', ~5
          7        ECHO                                                     ~6
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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