3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i <= 5; $i++) { switch ($i) { case 0: echo 'case 0'; break; case 1: echo 'case 1'; continue; case 2: echo 'case 2'; continue 2; case 3: echo 'case 3'; break; case 4: echo 'case 4'; break 2; case 5: echo 'case 5'; break; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 2
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
8 jumps found. (Code = 187) Position 1 = 16, Position 2 = 18, Position 3 = 20, Position 4 = 22, Position 5 = 24, Position 6 = 26, Position 7 = 28, Position 8 = 3
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 2
Branch analysis from position: 31
Branch analysis from position: 2
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 28
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 16
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 18
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 20
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 22
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 24
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 26
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
Branch analysis from position: 26
Branch analysis from position: 24
Branch analysis from position: 22
Branch analysis from position: 20
Branch analysis from position: 18
Branch analysis from position: 16
filename:       /in/OhX6X
function name:  (null)
number of ops:  32
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->29
    4     2    > > SWITCH_LONG                                              !0, [ 0:->16, 1:->18, 2:->20, 3:->22, 4:->24, 5:->26, ], ->28
    5     3    >   IS_EQUAL                                                 !0, 0
          4      > JMPNZ                                                    ~2, ->16
    8     5    >   IS_EQUAL                                                 !0, 1
          6      > JMPNZ                                                    ~2, ->18
   11     7    >   IS_EQUAL                                                 !0, 2
          8      > JMPNZ                                                    ~2, ->20
   14     9    >   IS_EQUAL                                                 !0, 3
         10      > JMPNZ                                                    ~2, ->22
   17    11    >   IS_EQUAL                                                 !0, 4
         12      > JMPNZ                                                    ~2, ->24
   20    13    >   IS_EQUAL                                                 !0, 5
         14      > JMPNZ                                                    ~2, ->26
         15    > > JMP                                                      ->28
    6    16    >   ECHO                                                     'case+0'
    7    17      > JMP                                                      ->28
    9    18    >   ECHO                                                     'case+1'
   10    19      > JMP                                                      ->28
   12    20    >   ECHO                                                     'case+2'
   13    21      > JMP                                                      ->28
   15    22    >   ECHO                                                     'case+3'
   16    23      > JMP                                                      ->28
   18    24    >   ECHO                                                     'case+4'
   19    25      > JMP                                                      ->31
   21    26    >   ECHO                                                     'case+5'
   22    27      > JMP                                                      ->28
    3    28    >   PRE_INC                                                  !0
         29    >   IS_SMALLER_OR_EQUAL                                      !0, 5
         30      > JMPNZ                                                    ~4, ->2
   24    31    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.79 ms | 1399 KiB | 13 Q