3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach ([1,2,3] as $var) { switch ($var) { default: echo 'default: ' . $var . " "; case 1: echo "one: 1\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 1, Position 2 = 10
Branch analysis from position: 1
2 jumps found. (Code = 78) Position 1 = 2, Position 2 = 10
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 1
Branch analysis from position: 1
Branch analysis from position: 8
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/HPUfl
function name:  (null)
number of ops:  12
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > FE_RESET_R                                       $1      <array>, ->10
          1    > > FE_FETCH_R                                               $1, !0, ->10
    8     2    >   IS_EQUAL                                                 !0, 1
          3      > JMPNZ                                                    ~2, ->8
          4    > > JMP                                                      ->5
    6     5    >   CONCAT                                           ~3      'default%3A+', !0
          6        CONCAT                                           ~4      ~3, '+'
          7        ECHO                                                     ~4
    9     8    >   ECHO                                                     'one%3A+1%0A'
    3     9      > JMP                                                      ->1
         10    >   FE_FREE                                                  $1
   11    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.18 ms | 1397 KiB | 13 Q