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<?php function what_do_i_return($i) { switch($i) { case 'k': return 'k'; case 0: return '0'; default: return 'default'; } } print what_do_i_return(0); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5ie2J
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                               'what_do_i_return'
          1        SEND_VAL                                                 0
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
   16     4      > RETURN                                                   1

Function what_do_i_return:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
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
filename:       /in/5ie2J
function name:  what_do_i_return
number of ops:  10
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        IS_EQUAL                                                 !0, 'k'
          2      > JMPNZ                                                    ~1, ->6
    7     3    >   IS_EQUAL                                                 !0, 0
          4      > JMPNZ                                                    ~1, ->7
          5    > > JMP                                                      ->8
    6     6    > > RETURN                                                   'k'
    8     7    > > RETURN                                                   '0'
   10     8    > > RETURN                                                   'default'
   12     9*     > RETURN                                                   null

End of function what_do_i_return

Generated using Vulcan Logic Dumper, using php 8.0.0


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