3v4l.org

run code in 300+ PHP versions simultaneously
<?php switch (1) { case 1: echo "foo"; case 2: echo "bar"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0B5vn
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   IS_EQUAL                                                 1, 1
          1      > JMPNZ                                                    ~0, ->5
    6     2    >   IS_EQUAL                                                 1, 2
          3      > JMPNZ                                                    ~0, ->6
          4    > > JMP                                                      ->7
    5     5    >   ECHO                                                     'foo'
    7     6    >   ECHO                                                     'bar'
    8     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.28 ms | 1393 KiB | 13 Q