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<?php $i = 1000; while ($i--) { $foo = isset($_GET['foo']['bar']) ? $_GET['foo']['bar'] : null; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 11
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 2
Branch analysis from position: 15
Branch analysis from position: 2
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 2
Branch analysis from position: 15
Branch analysis from position: 2
filename:       /in/CYVOn
function name:  (null)
number of ops:  16
compiled vars:  !0 = $i, !1 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1000
    4     1      > JMP                                                      ->13
    5     2    >   FETCH_IS                                         ~3      '_GET'
          3        FETCH_DIM_IS                                     ~4      ~3, 'foo'
          4        ISSET_ISEMPTY_DIM_OBJ                         0          ~4, 'bar'
          5      > JMPZ                                                     ~5, ->11
          6    >   FETCH_R                      global              ~6      '_GET'
          7        FETCH_DIM_R                                      ~7      ~6, 'foo'
          8        FETCH_DIM_R                                      ~8      ~7, 'bar'
          9        QM_ASSIGN                                        ~9      ~8
         10      > JMP                                                      ->12
         11    >   QM_ASSIGN                                        ~9      null
         12    >   ASSIGN                                                   !1, ~9
    4    13    >   POST_DEC                                         ~11     !0
         14      > JMPNZ                                                    ~11, ->2
    6    15    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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172.61 ms | 1394 KiB | 13 Q