3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo !!1?!0:(!!1?(!1?!0:(!!!1?!!1:!1)):!1);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 1, Position 2 = 3
Branch analysis from position: 1
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1NDvH
function name:  (null)
number of ops:  18
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > JMPZ                                                     <true>, ->3
          1    >   QM_ASSIGN                                        ~0      <true>
          2      > JMP                                                      ->16
          3    > > JMPZ                                                     <true>, ->14
          4    > > JMPZ                                                     <false>, ->7
          5    >   QM_ASSIGN                                        ~1      <true>
          6      > JMP                                                      ->12
          7    > > JMPZ                                                     <false>, ->10
          8    >   QM_ASSIGN                                        ~2      <true>
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~2      <false>
         11    >   QM_ASSIGN                                        ~1      ~2
         12    >   QM_ASSIGN                                        ~3      ~1
         13      > JMP                                                      ->15
         14    >   QM_ASSIGN                                        ~3      <false>
         15    >   QM_ASSIGN                                        ~0      ~3
         16    >   ECHO                                                     ~0
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.14 ms | 1394 KiB | 13 Q