3v4l.org

run code in 500+ PHP versions simultaneously
<?php $key = 0; switch ($key) { case 'a': echo 'break'; break; default: echo 'default'; break; }
Finding entry points
Branch analysis from position: 0
3 jumps found. (Code = 188) Position 1 = 5, Position 2 = 7, Position 3 = 2
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 5
filename:       /in/lKu3p
function name:  (null)
number of ops:  10
compiled vars:  !0 = $key
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 0
    4     1      > SWITCH_STRING                                                !0, [ 'a':->5, ], ->7
    5     2    >   IS_EQUAL                                                     !0, 'a'
          3      > JMPNZ                                                        ~2, ->5
          4    > > JMP                                                          ->7
    6     5    >   ECHO                                                         'break'
    7     6      > JMP                                                          ->9
    9     7    >   ECHO                                                         'default'
   10     8      > JMP                                                          ->9
   11     9    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
125.95 ms | 474 KiB | 7 Q