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<?php $a=7; switch ($a) { case 1: echo '1'; case 4: echo '4'; break; case 7: echo '7'; while (0): echo 'never echoed'; //default: echo 'while_default'; endwhile; break; default: echo 'default'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 16, Position 2 = 13
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 16, Position 2 = 13
Branch analysis from position: 16
Branch analysis from position: 13
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
filename:       /in/jeX0G
function name:  (null)
number of ops:  19
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 7
    4     1        IS_EQUAL                                                 !0, 1
          2      > JMPNZ                                                    ~2, ->8
    6     3    >   IS_EQUAL                                                 !0, 4
          4      > JMPNZ                                                    ~2, ->9
    9     5    >   IS_EQUAL                                                 !0, 7
          6      > JMPNZ                                                    ~2, ->11
          7    > > JMP                                                      ->17
    5     8    >   ECHO                                                     '1'
    7     9    >   ECHO                                                     '4'
    8    10      > JMP                                                      ->18
   10    11    >   ECHO                                                     '7'
   11    12      > JMP                                                      ->15
   12    13    >   ECHO                                                     'never+echoed'
   14    14        ECHO                                                     'while_default'
   11    15    > > JMPNZ                                                    0, ->13
   16    16    > > JMP                                                      ->18
   18    17    >   ECHO                                                     'default'
   19    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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159.32 ms | 1394 KiB | 13 Q