3v4l.org

run code in 300+ PHP versions simultaneously
<?php switch ("x") { case 'y': case 'x': case 'g': echo "fine"; break; default: echo "no"; break; }
Finding entry points
Branch analysis from position: 0
5 jumps found. (Code = 188) Position 1 = 8, Position 2 = 8, Position 3 = 8, Position 4 = 10, Position 5 = 1
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
Branch analysis from position: 8
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 1
2 jumps found. (Code = 44) Position 1 = 3, Position 2 = 8
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 = 8
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 8
Branch analysis from position: 8
Branch analysis from position: 8
filename:       /in/MiVHX
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > SWITCH_STRING                                            'x', [ 'y':->8, 'x':->8, 'g':->8, ], ->10
    5     1    >   IS_EQUAL                                                 'x', 'y'
          2      > JMPNZ                                                    ~0, ->8
    6     3    >   IS_EQUAL                                                 'x', 'x'
          4      > JMPNZ                                                    ~0, ->8
    7     5    >   IS_EQUAL                                                 'x', 'g'
          6      > JMPNZ                                                    ~0, ->8
          7    > > JMP                                                      ->10
    8     8    >   ECHO                                                     'fine'
    9     9      > JMP                                                      ->12
   11    10    >   ECHO                                                     'no'
   12    11      > JMP                                                      ->12
   13    12    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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185.59 ms | 1394 KiB | 13 Q