3v4l.org

run code in 300+ PHP versions simultaneously
<?php $favcolor="red"; $favcolor="blue"; $favcolor="red"; switch ($favcolor) { case "red": echo "Your favorite color is red!"; break; case "blue": echo "Your favorite color is blue!"; break; case "green": echo "Your favorite color is green!"; break; default: echo "Your favorite color is neither red, blue, or green!"; } ?>
Finding entry points
Branch analysis from position: 0
5 jumps found. (Code = 188) Position 1 = 11, Position 2 = 13, Position 3 = 15, Position 4 = 17, Position 5 = 4
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 11
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 13
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 15
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 15
Branch analysis from position: 13
Branch analysis from position: 11
filename:       /in/ke8Pc
function name:  (null)
number of ops:  19
compiled vars:  !0 = $favcolor
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'red'
    3     1        ASSIGN                                                   !0, 'blue'
    4     2        ASSIGN                                                   !0, 'red'
    5     3      > SWITCH_STRING                                            !0, [ 'red':->11, 'blue':->13, 'green':->15, ], ->17
    7     4    >   IS_EQUAL                                                 !0, 'red'
          5      > JMPNZ                                                    ~4, ->11
   10     6    >   IS_EQUAL                                                 !0, 'blue'
          7      > JMPNZ                                                    ~4, ->13
   13     8    >   IS_EQUAL                                                 !0, 'green'
          9      > JMPNZ                                                    ~4, ->15
         10    > > JMP                                                      ->17
    8    11    >   ECHO                                                     'Your+favorite+color+is+red%21'
    9    12      > JMP                                                      ->18
   11    13    >   ECHO                                                     'Your+favorite+color+is+blue%21'
   12    14      > JMP                                                      ->18
   14    15    >   ECHO                                                     'Your+favorite+color+is+green%21'
   15    16      > JMP                                                      ->18
   17    17    >   ECHO                                                     'Your+favorite+color+is+neither+red%2C+blue%2C+or+green%21'
   19    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.83 ms | 1395 KiB | 13 Q