3v4l.org

run code in 300+ PHP versions simultaneously
<?php switch ($browser) { case "Chrome": echo "Chrome"; break; case "Firefox": echo "Firefox"; break; case "cake": echo "i is cake"; break; }
Finding entry points
Branch analysis from position: 0
5 jumps found. (Code = 188) Position 1 = 8, Position 2 = 10, Position 3 = 12, Position 4 = 14, Position 5 = 1
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 14
Branch analysis from position: 1
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 = 10
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 12
Branch analysis from position: 10
Branch analysis from position: 8
filename:       /in/5fL4U
function name:  (null)
number of ops:  15
compiled vars:  !0 = $browser
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > SWITCH_STRING                                            !0, [ 'Chrome':->8, 'Firefox':->10, 'cake':->12, ], ->14
    4     1    >   IS_EQUAL                                                 !0, 'Chrome'
          2      > JMPNZ                                                    ~1, ->8
    7     3    >   IS_EQUAL                                                 !0, 'Firefox'
          4      > JMPNZ                                                    ~1, ->10
   10     5    >   IS_EQUAL                                                 !0, 'cake'
          6      > JMPNZ                                                    ~1, ->12
          7    > > JMP                                                      ->14
    5     8    >   ECHO                                                     'Chrome'
    6     9      > JMP                                                      ->14
    8    10    >   ECHO                                                     'Firefox'
    9    11      > JMP                                                      ->14
   11    12    >   ECHO                                                     'i+is+cake'
   12    13      > JMP                                                      ->14
   13    14    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.18 ms | 1394 KiB | 13 Q