3v4l.org

run code in 300+ PHP versions simultaneously
<?php switch("0e123") { case "0e456": echo "LOL #1\n"; break; default: echo "default\n"; } for ($i = 0; $i < 1; ++$i) { switch ($i) { case "LOLPHP": echo "LOL #2\n"; default: continue; } print "LOL #3\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 2, Position 2 = 3
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 8
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
3 jumps found. (Code = 188) Position 1 = 12, Position 2 = 13, Position 3 = 9
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 8
Branch analysis from position: 18
Branch analysis from position: 8
Branch analysis from position: 13
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 12
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 12
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
filename:       /in/ov0K9
function name:  (null)
number of ops:  19
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   IS_EQUAL                                                 '0e123', '0e456'
          1      > JMPNZ                                                    ~1, ->3
          2    > > JMP                                                      ->5
    5     3    >   ECHO                                                     'LOL+%231%0A'
    6     4      > JMP                                                      ->6
    8     5    >   ECHO                                                     'default%0A'
   11     6    >   ASSIGN                                                   !0, 0
          7      > JMP                                                      ->16
   12     8    > > SWITCH_STRING                                            !0, [ 'LOLPHP':->12, ], ->13
   13     9    >   IS_EQUAL                                                 !0, 'LOLPHP'
         10      > JMPNZ                                                    ~3, ->12
         11    > > JMP                                                      ->13
   14    12    >   ECHO                                                     'LOL+%232%0A'
   16    13    > > JMP                                                      ->14
   18    14    >   ECHO                                                     'LOL+%233%0A'
   11    15        PRE_INC                                                  !0
         16    >   IS_SMALLER                                               !0, 1
         17      > JMPNZ                                                    ~5, ->8
   19    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.21 ms | 1429 KiB | 13 Q