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$comma_separated = 1; $$comma_separated1 = 2; //OP's code <?php echo "[". $comma_separated."],[". $comma_separated1."]"?> //your code <?php echo "[". $comma_separated.",". $comma_separated1."]"?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9mWgY
function name:  (null)
number of ops:  13
compiled vars:  !0 = $comma_separated, !1 = $comma_separated1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   ECHO                                                     '%24comma_separated+%3D+1%3B%0A%24%24comma_separated1+%3D+2%3B%0A%0A%2F%2FOP%27s+code%0A+'
    5     1        CONCAT                                           ~2      '%5B', !0
          2        CONCAT                                           ~3      ~2, '%5D%2C%5B'
          3        CONCAT                                           ~4      ~3, !1
          4        CONCAT                                           ~5      ~4, '%5D'
          5        ECHO                                                     ~5
    6     6        ECHO                                                     '+%0A%2F%2Fyour+code%0A'
    8     7        CONCAT                                           ~6      '%5B', !0
          8        CONCAT                                           ~7      ~6, '%2C'
          9        CONCAT                                           ~8      ~7, !1
         10        CONCAT                                           ~9      ~8, '%5D'
         11        ECHO                                                     ~9
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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