3v4l.org

run code in 300+ PHP versions simultaneously
<?php $names = array('Bill', 'Ben', 'Bert', 'Ernie'); $value = 'hola'; switch ($value){ case 'Bill': echo 'Bill'; break; case 'Ernie': echo 'Ernie'; break; default: echo ''; break; }
Finding entry points
Branch analysis from position: 0
4 jumps found. (Code = 188) Position 1 = 8, Position 2 = 10, Position 3 = 12, Position 4 = 3
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: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 10
Branch analysis from position: 8
filename:       /in/Sn8Ss
function name:  (null)
number of ops:  15
compiled vars:  !0 = $names, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, 'hola'
    4     2      > SWITCH_STRING                                            !1, [ 'Bill':->8, 'Ernie':->10, ], ->12
    5     3    >   IS_EQUAL                                                 !1, 'Bill'
          4      > JMPNZ                                                    ~4, ->8
    8     5    >   IS_EQUAL                                                 !1, 'Ernie'
          6      > JMPNZ                                                    ~4, ->10
          7    > > JMP                                                      ->12
    6     8    >   ECHO                                                     'Bill'
    7     9      > JMP                                                      ->14
    9    10    >   ECHO                                                     'Ernie'
   10    11      > JMP                                                      ->14
   12    12    >   ECHO                                                     ''
   13    13      > JMP                                                      ->14
   14    14    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.59 ms | 1385 KiB | 13 Q